Preliminary GS880F18/36T-10/11/11.5/12/14 100 Pin TQFP Commercial Temp Industrial Temp 512K x 18, 256K x 36 8Mb Sync Burst SRAMs Features 10ns - 14ns 3.3V VDD 3.3V & 2.5V I/O broadest access to multiple vendor sources. Boards designed with FT pin pads tied low may be stuffed with GSI’s Pipeline/Flow through configurable Burst RAMS or any vendor’s Flow through or configurable Burst SRAM. Bumps designed with the FT pin location tied High or floating must employ a non-configurable Flow through Burst RAM, like this RAM, to achieve Flow through functionality. • Flow through mode operation. • 3.3V +10%/-5% Core power supply. • 2.5V or 3.3V I/O supply. • LBO pin for linear or interleaved burst mode. • Internal input resistors on mode pins allow floating mode pins. Default to Interleaved Pipelined Mode. • Byte write (BW) and/or global write (GW) operation. • Common data inputs and data outputs. • Clock Control, registered, address, data, and control. • Internal Self-Timed Write cycle. • Automatic power-down for portable applications. • 100-lead TQFP package 88018/32/36TByte Write and Global Write Byte write operation is performed by using byte write enable (BW) input combined with one or more individual byte write signals (Bx). In addition, Global Write (GW) is available for writing all bytes at one time, regardless of the Byte Write control inputs. Sleep Mode Low power (Sleep mode) is attained through the assertion (High) of the ZZ signal, or by stopping the clock (CK). Memory data is retained during Sleep mode. -10 -11 -11.5 -12 -14 10ns 11ns 11.5ns 12ns 14ns Flow Through tKQ 2-1-1-1 tCycle 10ns 15ns 15ns 15ns 15ns IDD 225mA 180mA 180mA 180mA 175mA Core and Interface Voltages The GS880F18/32/36T operates on a 3.3V power supply and all inputs/outputs are 3.3V and 2.5V compatible. Separate output power (VDDQ) pins are used to de-couple output noise from the internal circuit. Functional Description Applications The GS880F18/32/36T is a 9,437,184 bit (8,388,608 bit for x32 version) high performance synchronous SRAM with a 2 bit burst address counter. Although of a type originally developed for Level 2 Cache applications supporting high performance CPU’s, the device now finds application in synchronous SRAM applications ranging from DSP main store to networking chip set support. Controls Addresses, data I/O’s, chip enables (E1, E2, E3), address burst control inputs (ADSP, ADSC, ADV) and write control inputs (Bx, BW, GW) are synchronous and are controlled by a positive edge triggered clock input (CK). Output enable (G) and power down control (ZZ) are asynchronous inputs. Burst cycles can be initiated with either ADSP or ADSC inputs. In Burst mode, subsequent burst addresses are generated internally and are controlled by ADV. The burst address counter may be configured to count in either linear or interleave order with the Linear Burst Order (LBO) input. The Burst function need not be used. New addresses can be loaded on every cycle with no degradation of chip performance. Designing For Compatibility The JEDEC Standard for Burst RAMS calls for a FT mode pin option (pin 14 on TQFP). Board sites for Flow through Burst RAMS should be designed with V SS connected to the FT pin location to ensure the Rev: 1.04 3/2000 1/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 Rev: 1.04 3/2000 2/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 A18 NC NC VDDQ VSS NC DQA9 DQA8 DQA7 VSS VDDQ DQA6 DQA5 VSS NC VDD ZZ DQA4 DQA3 VDDQ VSS DQA2 DQA1 NC NC VSS VDDQ NC NC NC A16 LBO A5 A4 VSS NC NC DQB1 DQB2 VSS VDDQ DQB3 DQB4 NC VDD NC VSS DQB5 DQB6 VDDQ VSS DQB7 DQB8 DQB9 NC VSS VDDQ NC NC NC 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 1 80 2 79 3 78 4 77 5 76 6 75 7 74 8 73 9 72 512K x 18 10 71 Top View 11 70 12 69 13 68 14 67 15 66 16 65 17 64 18 63 19 62 20 61 21 60 22 59 23 58 24 57 25 56 26 55 27 54 28 53 29 52 30 51 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 A3 A2 A1 A0 NC NC VSS VDD NC A17 A10 A11 A12 A13 A14 A15 NC NC NC VDDQ CK GW BW G ADSC ADSP ADV A8 A9 A6 A7 E1 E2 NC NC BB BA E3 VDD VSS GS880F18 100 Pin TQFP Pinout © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 Rev: 1.04 3/2000 3/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 NC DQB8 DQB7 VDDQ VSS DQB6 DQB5 DQB4 DQB3 VSS VDDQ DQB2 DQB1 VSS NC VDD ZZ DQA1 DQA2 VDDQ VSS DQA3 DQA4 DQA5 DQA6 VSS VDDQ DQA7 DQA8 NC A16 LBO A5 A4 VSS DQ C6 DQ C5 DQ C4 DQ C3 VSS VDDQ DQ C2 DQ C1 NC VDD NC VSS DQ D1 DQ D2 VDDQ VSS DQ D3 DQ D4 DQ D5 DQ D6 VSS VDDQ DQ D7 DQ D8 NC 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 1 80 2 79 3 78 4 77 5 76 6 75 7 74 8 73 9 72 256K x 32 10 71 Top View 11 70 12 69 13 68 14 67 15 66 16 65 17 64 18 63 19 62 20 61 21 60 22 59 23 58 24 57 25 56 26 55 27 54 28 53 29 52 30 51 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 A3 A2 A1 A0 NC NC VSS VDD NC A17 A10 A11 A12 A13 A14 A15 NC DQ C8 DQ C7 VDDQ CK GW BW G ADSC ADSP ADV A8 A9 A6 A7 E1 E2 BD BC BB BA E3 VDD VSS GS880F32 100 Pin TQFP Pinout © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 Rev: 1.04 3/2000 4/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 DQB9 DQB8 DQB7 VDDQ VSS DQB6 DQB5 DQB4 DQB3 VSS VDDQ DQB2 DQB1 VSS NC VDD ZZ DQA1 DQA2 VDDQ VSS DQA3 DQA4 DQA5 DQA6 VSS VDDQ DQA7 DQA8 DQA9 A16 LBO A5 A4 VSS DQ C6 DQ C5 DQ C4 DQ C3 VSS VDDQ DQ C2 DQ C1 NC VDD NC VSS DQ D1 DQ D2 VDDQ VSS DQ D3 DQ D4 DQ D5 DQ D6 VSS VDDQ DQ D7 DQ D8 DQ D9 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 1 80 2 79 3 78 4 77 5 76 6 75 7 74 8 73 9 72 256K x 36 10 71 Top View 11 70 12 69 13 68 14 67 15 66 16 65 17 64 18 63 19 62 20 61 21 60 22 59 23 58 24 57 25 56 26 55 27 54 28 53 29 52 30 51 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 A3 A2 A1 A0 NC NC VSS VDD NC A17 A10 A11 A12 A13 A14 A15 DQ C9 DQ C8 DQ C7 VDDQ CK GW BW G ADSC ADSP ADV A8 A9 A6 A7 E1 E2 BD BC BB BA E3 VDD VSS GS880F36 100 Pin TQFP Pinout © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 TQFP Pin Description Pin Location Symbol Type Description 37, 36 A0, A1 I Address field LSB’s and Address Counter preset Inputs 35, 34, 33, 32, 100, 99, 82, 81, 44, 45, 46, 47, 48, 49, 50, 43 A2-17 I Address Inputs 80 A18 I Address Inputs 63, 62, 59, 58, 57, 56, 53, 52 68, 69, 72, 73, 74, 75, 78, 79 13, 12, 9, 8, 7, 6, 3, 2 18, 19, 22, 23, 24, 25, 28, 29 DQ A1-DQA8 DQ B1-DQB8 DQC1-DQC8 DQD1-DQD8 I/O Data Input and Output pins. (x32, x36 Version) 51, 80, 1, 30 DQA9, DQB9, DQC9, DQD9 I/O Data Input and Output pins. 51, 80, 1, 30 NC - No Connect (x32 Version) 58, 59, 62, 63, 68, 69, 72, 73, 74 8, 9, 12, 13, 18, 19, 22, 23, 24 DQ A1-DQA9 DQB1- DQB9 I/O Data Input and Output pins. 51, 52, 53, 56, 57 75, 78, 79, 1, 2, 3, 6, 7 25, 28, 29, 30 NC - No Connect 16 DP I Parity Input. 1 = Even, 0 = Odd. 66 QE O Parity Error Out. Open Drain Output. 87 BW I Byte Write. Writes all enabled bytes. Active Low. 93, 94 B A, B B I Byte Write Enable for DQA, DQB Data I/O’s. Active Low. 95, 96 BC, BD I Byte Write Enable for DQC, DQD Data I/O’s. Active Low. (x32, x36 Version) 95, 96 NC - No Connect (x18 Version) 89 CK I Clock Input Signal. Active High. 88 GW I Global Write Enable. Writes all bytes. Active Low. 98, 92 E1, E3 I Chip Enable. Active Low. 97 E2 I Chip Enable. Active High. 86 G I Output Enable. Active Low. 83 ADV I Burst address counter advance enable. Active Low. 84, 85 ADSP, ADSC I Address Strobe (Processor, Cache Controller). Active Low. 64 ZZ I Sleep Mode control. Active High. 31 LBO I Linear Burst Order mode. Active Low. 15, 41, 65, 91 VDD I Core power supply. 5,10,17, 21, 26, 40, 55, 60, 67, 71, 76, 90 VSS I I/O and Core Ground. 4, 11, 20, 27, 54, 61, 70, 77 VDDQ I Output driver power supply. 14, 16, 38, 39, 42, 66 NC - No Connect. Rev: 1.04 3/2000 5/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 GS880F18/32/36 Block Diagram Register A0-An D Q A0 A0 D0 Q0 A1 A1 D1 Q1 Counter Load A LBO ADV Memory Array CK ADSC ADSP Q D Register GW BW BA D Q 36 Register D 36 Q BB 4 Register D Q D Q Q D D Register Register Q Register BC BD Register D Q Register E1 E2 E3 D Q Register D Q 0 G ZZ 1 Power Down DQx0-DQx9 Control Note: Only x36 version shown for simplicity. Rev: 1.04 3/2000 6/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 Mode Pin Functions Mode Name Pin Name State Burst Order Control LBO Power Down Control ZZ Function L Linear Burst H or NC Interleaved Burst L or NC Active H Standby, IDD = ISB Note: There is a pull up device on the LBO pin and a pull down device on the ZZ pin, so those input pins can be unconnected and the chip will operate in the default states as specified in the above tables. Burst Counter Sequences Interleaved Burst Sequence Linear Burst Sequence A[1:0] A[1:0] A[1:0] A[1:0] 1st address 00 01 10 11 2nd address 01 10 11 3rd address 10 11 4th address 11 00 A[1:0] A[1:0] A[1:0] A[1:0] 1st address 00 01 10 11 00 2nd address 01 00 11 10 00 01 3rd address 10 11 00 01 01 10 4th address 11 10 01 00 Note: The burst counter wraps to initial state on the 5th clock. Note: The burst counter wraps to initial state on the 5th clock. BPR 1999.05.18 Byte Write Truth Table Function GW BW BA BB BC BD Notes Read H H X X X X 1 Read H L H H H H 1 Write byte a H L L H H H 2, 3 Write byte b H L H L H H 2, 3 Write byte c H L H H L H 2, 3, 4 Write byte d H L H H H L 2, 3, 4 Write all bytes H L L L L L 2, 3, 4 Write all bytes L X X X X X Note: 1. All byte outputs are active in read cycles regardless of the state of Byte Write Enable inputs. 2. Byte Write Enable inputs BA, BB, BC and/or BD may be used in any combination with BW to write single or multiple bytes. 3. All byte I/O’s remain High-Z during all write operations regardless of the state of Byte Write Enable inputs. 4. Bytes “C” and “D” are only available on the x32 and x36 versions. Rev: 1.04 3/2000 7/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 Synchronous Truth Table Operation Address Used State Diagram Key5 E1 Deselect Cycle, Power Down None X H X X Deselect Cycle, Power Down None X L F Deselect Cycle, Power Down None X L Read Cycle, Begin Burst External R Read Cycle, Begin Burst External Write Cycle, Begin Burst E22 ADV W3 DQ4 L X X High-Z L X X X High-Z F H L X X High-Z L T L X X X Q R L T H L X F Q External W L T H L X T D Read Cycle, Continue Burst Next CR X X H H L F Q Read Cycle, Continue Burst Next CR H X X H L F Q Write Cycle, Continue Burst Next CW X X H H L T D Write Cycle, Continue Burst Next CW H X X H L T D Read Cycle, Suspend Burst Current X X H H H F Q Read Cycle, Suspend Burst Current H X X H H F Q Write Cycle, Suspend Burst Current X X H H H T D Write Cycle, Suspend Burst Current H X X H H T D (x36only) ADSP ADSC Note: 1. X = Don’t Care, H = High, L = Low. 2. For x36 Version, E = T (True) if E2 = 1 and E3 = 0; E = F (False) if E2 = 0 or E3 = 1. 3. W = T (True) and F (False) is defined in the Byte Write Truth Table preceding. 4. G is an asynchronous input. G can be driven high at any time to disable active output drivers. G low can only enable active drivers (shown as “Q” in the Truth Table above). 5. 6. 7. All input combinations shown above are tested and supported. Input combinations shown in gray boxes need not be used to accomplish basic synchronous or synchronous burst operations and may be avoided for simplicity. Tying ADSP high and ADSC low allows simple non-burst synchronous operations. See BOLD items above. Tying ADSP high and ADV low while using ADSC to load new addresses allows simple burst operations. See ITALIC items above. Rev: 1.04 3/2000 8/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 Simplified State Diagram X Deselect W R Simple Burst Synchronous Operation Simple Synchronous Operation W X R R First Write CW First Read CR W X CR R R X Burst Write Burst Read X CR CW CR Notes: 1. The diagram shows only supported (tested) synchronous state transitions. The diagram presumes G is tied Low. 2. The upper portion of the diagram assumes active use of only the Enable (E1E2) and Write (BA, BB, BC, BD, BW and GW) control inputs and that ADSP is tied high and ADSC is tied low. 3. The upper and lower portions of the diagram together assume active use of only the Enable, Write and ADSC control inputs and assumes ADSP is tied high and ADV is tied low. Rev: 1.04 3/2000 9/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 Simplified State Diagram with G X Deselect W R W X R R First Write CR CW W CW W X First Read X CR R Burst Write R CR CW W Burst Read X CW CR Notes: 1. The diagram shows supported (tested) synchronous state transitions plus supported transitions that depend upon the use of G. 2. Use of “Dummy Reads” (Read Cycles with G High) may be used to make the transition from Read cycles to Write cycles without passing through a Deselect cycle. Dummy Read cycles increment the address counter just like normal Read cycles. 3. Transitions shown in grey tone assume G has been pulsed high long enough to turn the RAM’s drivers off and for incoming data to meet Data Input Set Up Time. Rev: 1.04 3/2000 10/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 Absolute Maximum Ratings (All voltages reference to VSS) Symbol Description Value Unit VDD Voltage on VDD Pins -0.5 to 4.6 V VDDQ Voltage in VDDQ Pins -0.5 to VDD V VCK Voltage on Clock Input Pin -0.5 to 6 V VI/O Voltage on I/O Pins -0.5 to VDDQ+0.5 (≤ 4.6 V max.) V VIN Voltage on Other Input Pins -0.5 to VDD+0.5 (≤ 4.6 V max.) V IIN Input Current on Any Pin +/- 20 mA IOUT Output Current on Any I/O Pin +/- 20 mA PD Package Power Dissipation 1.5 W TSTG Storage Temperature -55 to 125 oC TBIAS Temperature Under Bias -55 to 125 oC Note: Permanent damage to the device may occur if the Absolute Maximum Ratings are exceeded. Operation should be restricted to Recommended Operating Conditions. Exposure to conditions exceeding the Absolute Maximum Ratings, for an extended period of time, may affect reliability of this component. Recommended Operating Conditions Parameter Symbol Min. Typ. Max. Unit Notes Supply Voltage VDD 3.135 3.3 3.6 V I/O Supply Voltage VDDQ 2.375 2.5 VDD V 1 Input High Voltage VIH 1.7 --- VDD+0.3 V 2 Input Low Voltage VIL -0.3 --- 0.8 V 2 Ambient Temperature (Commercial Range Versions) TA 0 25 70 °C 3 Ambient Temperature (Industrial Range Versions) TA -40 25 85 °C 3 Note: 1. Unless otherwise noted, all performance specifications quoted are evaluated for worst case at both 2.75V ≤ VDDQ ≤ 2.375V (i.e. 2.5V I/O) and 3.6V ≤ VDDQ ≤ 3.135V (i.e. 3.3V I/O) and quoted at whichever condition is worst case. 2. This device features input buffers compatible with both 3.3V and 2.5V I/O drivers. 3. Most speed grades and configurations of this device are offered in both Commercial and Industrial Temperature ranges. The part number of Industrial Temperature Range versions end the character “I”. Unless otherwise noted, all performance specifications quoted are evaluated for worst case in the temperature range marked on the device. 4. Input Under/overshoot voltage must be -2V > Vi < V DD+2V with a pulse width not to exceed 20% tKC. Rev: 1.04 3/2000 11/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 Undershoot Measurement and Timing Overshoot Measurement and Timing VIH 20% tKC VDD+-2.0V VSS 50% 50% VDD VSS-2.0V 20% tKC VIL Note: This parameter is sample tested. Package Thermal Characteristics Rating Layer Board Symbol Max Unit Notes Junction to Ambient (at 200 lfm) single RΘJA 40 °C/W 1,2 Junction to Ambient (at 200 lfm) four RΘJA 24 °C/W 1,2 RΘJC 9 °C/W 3 Junction to Case (TOP) Notes: 1. Junction temperature is a function of SRAM power dissipation, package thermal resistance, mounting board temperature, ambient. Temperature air flow, board density, and PCB thermal resistance. 2. SCMI G-38-87. 3. Average thermal resistance between die and top surface, MIL SPEC-883, Method 1012.1. AC Test Conditions Parameter Conditions Input high level 2.3V Input low level 0.2V Input slew rate 1V/ns Input reference level 1.25V Output reference level 1.25V Output load Fig. 1& 2 Notes: 1. Include scope and jig capacitance. 2. Test conditions as specified with output loading as shown in Fig. 1 unless otherwise noted. 3. Output Load 2 for tLZ, tHZ, tOLZ and tOHZ. 4. Device is deselected as defined by the Truth Table. Rev: 1.04 3/2000 12/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 Output Load 2 Output Load 1 DQ 2.5V 225Ω DQ 30pF* 50Ω 5pF* VT=1.25V 225Ω * Distributed Test Jig Capacitance DC Electrical Characteristics Parameter Symb ol Test Conditions Min Max Input Leakage Current (except mode pins) IIL VIN = 0 to VDD -1uA 1uA ZZ Input Current IINZZ VDD ≥ VIN ≥ VIH 0V ≤ VIN ≤ VIH -1uA -1uA 1uA uA Mode Pin Input Current IINM VDD ≥ VIN ≥ VIL 0V ≤ VIN ≤ VIL -uA -1uA 1uA 1uA Output Leakage Current IOL Output Disable, VOUT = 0 to VDD -1uA 1uA Output High Voltage VOH IOH = - mA, VDDQ=2.375V 1.7V Output High Voltage VOH IOH = - mA, VDDQ=3.135V 2.4V Output Low Voltage VOL IOL = mA Rev: 1.04 3/2000 0.4V 13/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 Absolute Maximum Ratings (All voltages reference to VSS) Symbol Description Value Unit VDD Voltage on VDD Pins -0.5 to 4.6 V VDDQ Voltage in VDDQ Pins -0.5 to VDD V VCK Voltage on Clock Input Pin -0.5 to 6 V VI/O Voltage on I/O Pins -0.5 to VDDQ+0.5 (≤ 4.6 V max.) V VIN Voltage on Other Input Pins -0.5 to VDD+0.5 (≤ 4.6 V max.) V IIN Input Current on Any Pin +/- 20 mA IOUT Output Current on Any I/O Pin +/- 20 mA PD Package Power Dissipation 1.5 W TSTG Storage Temperature -55 to 125 oC TBIAS Temperature Under Bias -55 to 125 oC Note: Permanent damage to the device may occur if the Absolute Maximum Ratings are exceeded. Operation should be restricted to Recommended Operating Conditions. Exposure to conditions exceeding the Absolute Maximum Ratings, for an extended period of time, may affect reliability of this component. Recommended Operating Conditions Parameter Symbol Min. Typ. Max. Unit Notes Supply Voltage VDD 3.135 3.3 3.6 V I/O Supply Voltage VDDQ 2.375 2.5 VDD V 1 Input High Voltage VIH 1.7 --- VDD+0.3 V 2 Input Low Voltage VIL -0.3 --- 0.8 V 2 Ambient Temperature (Commercial Range Versions) TA 0 25 70 °C 3 Ambient Temperature (Industrial Range Versions) TA -40 25 85 °C 3 Note: 1. Unless otherwise noted, all performance specifications quoted are evaluated for worst case at both 2.75V ≤ VDDQ ≤ 2.375V (i.e. 2.5V I/O) and 3.6V ≤ VDDQ ≤ 3.135V (i.e. 3.3V I/O) and quoted at whichever condition is worst case. 2. This device features input buffers compatible with both 3.3V and 2.5V I/O drivers. 3. Most speed grades and configurations of this device are offered in both Commercial and Industrial Temperature ranges. The part number of Industrial Temperature Range versions end the character “I”. Unless otherwise noted, all performance specifications quoted are evaluated for worst case in the temperature range marked on the device. 4. Input Under/overshoot voltage must be -2V > Vi < V DD+2V with a pulse width not to exceed 20% tKC. Rev: 1.04 3/2000 14/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 Undershoot Measurement and Timing Overshoot Measurement and Timing VIH 20% tKC VDD+-2.0V VSS 50% 50% VDD VSS-2.0V 20% tKC VIL Note: This parameter is sample tested. Package Thermal Characteristics Rating Layer Board Symbol Max Unit Notes Junction to Ambient (at 200 lfm) single RΘJA 40 °C/W 1,2 Junction to Ambient (at 200 lfm) four RΘJA 24 °C/W 1,2 RΘJC 9 °C/W 3 Junction to Case (TOP) Notes: 1. Junction temperature is a function of SRAM power dissipation, package thermal resistance, mounting board temperature, ambient. Temperature air flow, board density, and PCB thermal resistance. 2. SCMI G-38-87. 3. Average thermal resistance between die and top surface, MIL SPEC-883, Method 1012.1. AC Test Conditions Parameter Conditions Input high level 2.3V Input low level 0.2V Input slew rate 1V/ns Input reference level 1.25V Output reference level 1.25V Output load Fig. 1& 2 Notes: 1. Include scope and jig capacitance. 2. Test conditions as specified with output loading as shown in Fig. 1 unless otherwise noted. 3. Output Load 2 for tLZ, tHZ, tOLZ and tOHZ. 4. Device is deselected as defined by the Truth Table. Rev: 1.04 3/2000 15/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 Output Load 2 Output Load 1 DQ 2.5V 225Ω DQ 30pF* 50Ω 5pF* VT=1.25V 225Ω * Distributed Test Jig Capacitance DC Electrical Characteristics Parameter Symb ol Test Conditions Min Max Input Leakage Current (except mode pins) IIL VIN = 0 to VDD -1uA 1uA ZZ Input Current IINZZ VDD ≥ VIN ≥ VIH 0V ≤ VIN ≤ VIH -1uA -1uA 1uA uA Mode Pin Input Current IINM VDD ≥ VIN ≥ VIL 0V ≤ VIN ≤ VIL -uA -1uA 1uA 1uA Output Leakage Current IOL Output Disable, VOUT = 0 to VDD -1uA 1uA Output High Voltage VOH IOH = - mA, VDDQ=2.375V 1.7V Output High Voltage VOH IOH = - mA, VDDQ=3.135V 2.4V Output Low Voltage VOL IOL = mA 0.4V Operating Currents Parameter Test Conditions Symbol -10 0 to 70°C -11 -40 to 85°C 0 to 70°C -40 to 85°C -11.5 0 to 70°C -40 to 85°C -12 0 to 70°C -40 to 85°C -14 0 to 70°C -40 to 85°C Device Selected; IDD Operating All other inputs 225mA 235mA 180mA 190mA 180mA 190mA 180mA 190mA 175mA 185mA ≥V or ≤ V Flow-Thru Current IH IL Output open Standby Current ZZ ≥ VDD - 0.2V ISB Flow-Thru 30mA 40mA 30mA 40mA 30mA 40mA 30mA 40mA 30mA 40mA Deselect Current Device Deselected; IDD All other inputs Flow-Thru ≥ VIH or ≤ VIL 80mA 90mA 65mA 75mA 65mA 75mA 65mA 75mA 55 65 Rev: 1.04 3/2000 16/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 AC Electrical Characteristics FlowThru Parameter Symbol Clock Cycle Time -10 -11 -11.5 -12 -14 Unit Min Max Min Max Min Max Min Max Min Max tKC 10.0 --- 15.0 --- 15.0 --- 15.0 --- 15.0 --- ns Clock to Output Valid tKQ --- 10.0 --- 11.0 --- 11.5 --- 12.0 --- 14.0 ns Clock to Output Invalid tKQX 3.0 --- 3.0 --- 3.0 --- 3.0 --- 3.0 --- ns Clock to Output in Low-Z 1 tLZ 3.0 --- 3.0 --- 3.0 --- 3.0 --- 3.0 --- ns Clock HIGH Time tKH 1.5 --- 1.7 --- 1.7 --- 2 --- 2 --- ns Clock LOW Time tKL 1.7 --- 2 --- 2 --- 2.2 --- 2.2 --- ns Clock to Output in High-Z tHZ1 1.5 3.8 1.5 4.0 1.5 4.2 1.5 4.5 1.5 4.5 ns G to Output Valid tOE --- 3.8 --- 4.0 --- 4.2 --- 4.5 --- 4.5 ns G to output in Low-Z tOLZ1 0 --- 0 --- 0 --- 0 --- 0 --- ns G to output in High-Z tOHZ1 --- 3.8 --- 4.0 --- 4.2 --- 4.5 --- 4.5 ns Setup time tS 1.5 --- 1.5 --- 2.0 --- 2.0 --- 2.0 --- ns Hold time tH 0.5 --- 0.5 --- 0.5 --- 0.5 --- 0.5 --- ns ZZ setup time tZZS2 5 --- 5 --- 5 --- 5 --- 5 --- ns ZZ hold time tZZH2 1 --- 1 --- 1 --- 1 --- 1 --- ns ZZ recovery tZZR 20 --- 20 --- 20 --- 20 --- 20 --- ns Notes: 1. These parameters are sampled and are not 100% tested 2. ZZ is an asynchronous signal. However, In order to be recognized on any given clock cycle, ZZ must meet the specified setup and hold times as specified above. Rev: 1.04 3/2000 17/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 Write Cycle Timing Single Write Burst Write Deselected Write CK tS tH tKH tKL tKC ADSP is blocked by E inactive ADSP tS tH ADSC initiated write ADSC tS tH ADV tS tH A0-An ADV must be inactive for ADSP Write WR2 WR1 WR3 tS tH GW tS tH BW tS tH BA - BD WR1 WR1 WR2 tS tH WR3 WR3 E1 masks ADSP E1 tS tH Deselected with E2 E2 tS tH E2 and E3 only sampled with ADSP or ADSC E3 G tS tH DQA - DQD Hi-Z D1A Rev: 1.04 3/2000 Write specified byte for 2A and all bytes for 2B, 2c& 2D D2A D2B D2C D2D D3A 18/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 Flow Through Read-Write Cycle Timing Single Write Single Read Burst Read CK tS tH tKC tKH tKL ADSP is blocked by E inactive ADSP tS tH ADSC initiated read WR1 RD2 ADSC tS tH ADV tS tH A0-An RD1 tS tH GW tS tH tS BW tS BA - BD tH WR1 tS tH E1 masks ADSP E1 tS tH E2 and E3 only sampled with ADSP and ADSC E2 tS tH Deselected with E3 E3 tOE tOHZ G tS tKQ DQA - DQD Hi-Z Q1A tH D1A Q2A Q2B Q2c Q2D Q2A Burst wrap around to it’s initial state Rev: 1.04 3/2000 19/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 Flow Through Read Cycle Timing Single Read Burst Read tKL CK tKH tS tH tKC ADSP is blocked by E inactive ADSP tS tH ADSC initiated read ADSC tS tH Suspend Burst Suspend Burst ADV tS tH A0-An RD1 RD2 RD3 tS tH tS tH GW BW BA - BD tS tH E1 masks ADSP E1 tS tH E2 and E3 only sampled with ADSP or ADSC Deselected with E 2 E2 tS tH E3 tOHZ tOE G tKQX tOLZ DQA-DQD Q1A Hi-Z Q2A tKQX Q2B Q2C Q2D Q3A tLZ tHZ tKQ Rev: 1.04 3/2000 20/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 CK tS tH tKC tKH tKL ADSP ADSC tZZS ZZ ~ ~ ~ ~ ~ ~ ~~ ~ ~ Sleep Mode Timing Diagram tZZH tZZR Snooze Rev: 1.04 3/2000 21/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 Output Driver Characteristics 120.0 100.0 Pull Down Drivers 80.0 60.0 40.0 20.0 VDDQ I Out (mA) I Out 0.0 VOut -20.0 VSS -40.0 -60.0 Pull Up Drivers -80.0 -100.0 -120.0 -140.0 -0.5 0 0.5 1 1.5 2 2.5 3 3.5 4 V Out (Pull Down) VDDQ - V Out (Pull Up) 3.6V PD HD 3.3V PD HD Rev: 1.04 3/2000 3.1V PD HD 3.1V PU HD 3.3V PU HD 22/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 3.6V PU HD © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 TQFP Package Drawing Description Min. Nom. Max A1 Standoff 0.05 0.10 0.15 A2 Body Thickness 1.35 1.40 1.45 b Lead Width 0.20 0.30 0.40 c Lead Thickness 0.09 D Terminal Dimension 21.9 22.0 22.1 D1 Package Body 19.9 20.0 20.1 E Terminal Dimension 15.9 16.0 16.1 E1 Package Body 13.9 14.0 14.1 e Lead Pitch L Foot Length L1 Lead Length Y Coplanarity θ Lead Angle c 0.20 e D 0.60 D1 0.65 0.45 L1 θ Pin 1 Symbol L b 0.75 1.00 0.10 0° 7° A1 A2 Y Notes: 1. All dimensions are in millimeters (mm). 2. Package width and length do not include mold protrusion E1 E BPR 1999.05.18 Rev: 1.04 3/2000 23/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 Ordering Information for GSI Synchronous Burst RAMs Org Part Number1 Type Package Speed2 (Mhz/ns) TA3 512K x 18 GS880F18T-10 Flow Through TQFP 10 C 512K x 18 GS880F18T-11 Flow Through TQFP 11 C 512K x 18 GS880F18T-11.5 Flow Through TQFP 11.5 C 512K x 18 GS880F18T-12 Flow Through TQFP 12 C 512K x 18 GS880F18T-14 Flow Through TQFP 14 C 256K x 32 GS880F32T-10 Flow Through TQFP 10 C 256K x 32 GS880F32T-11 Flow Through TQFP 11 C 256K x 32 GS880F32T--11.5 Flow Through TQFP 11.5 C 256K x 32 GS880F32T-12 Flow Through TQFP 12 C 256K x 32 GS880F32T-14 Flow Through TQFP 14 C 256K x 36 GS880F36T-10 Flow Through TQFP 10 C 256K x 36 GS880F36T-11 Flow Through TQFP 11 C 256K x 36 GS880F36T--11.5 Flow Through TQFP 11.5 C 256K x 36 GS880F36T-12 Flow Through TQFP 12 C 256K x 36 GS880F36T-14 Flow Through TQFP 14 C 512K x 18 GS880F18T-10I Flow Through TQFP 10 I 512K x 18 GS880F18T-11I Flow Through TQFP 11 I 512K x 18 GS880F18T--11.5I Flow Through TQFP 11.5 I 512K x 18 GS880F18T-12I Flow Through TQFP 12 I 512K x 18 GS880F18T-14I Flow Through TQFP 14 I 256K x 32 GS880F32T-10 Flow Through TQFP 10 I 256K x 32 GS880F32T-11 Flow Through TQFP 11 I 256K x 32 GS880F32T--11.5 Flow Through TQFP 11.5 I 256K x 32 GS880F32T-12 Flow Through TQFP 12 I 256K x 32 GS880F32T-14 Flow Through TQFP 14 I 256K x 36 GS880F36T-10I Flow Through TQFP 10 I 256K x 36 GS880F36T-11I Flow Through TQFP 11 I 256K x 36 GS880F36T--11.5I Flow Through TQFP 11.5 I 256K x 36 GS880F36T-12I Flow Through TQFP 12 I 256K x 36 GS880F36T-14I Flow Through TQFP 14 I Status Not Available Not Available Not Available Notes: 1. Customers requiring delivery in Tape and Reel should add the character “T” to the end of the part number. Example: GS880LF18TT. 2. The speed column indicates the cycle frequency (Mhz) of the device in Pipelined mode and the latency (ns) in Flow Through mode. Each device is Pipeline / Flow through mode selectable by the user. 3. TA = C = Commercial Temperature Range. TA = I = Industrial Temperature Range. 4. GSI offers other versions this type of device in many different configurations and with a variety of different features, only some of which are covered in this data sheet. See the GSI Technology web site for a complete listing of current offerings. Rev: 1.04 3/2000 24/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 © 2000, Giga Semiconductor, Inc. O Preliminary GS880F18/36T-10/11/11.5/12/14 Revision History DS/DateRev. Code: Old; New Types of Changes Format or Content Page;Revisions;Reason Content • First Release of 880 F. GS880F18/36T1.00 K880F18/36T1.02 1/2000L Content • Changed Flow Through Read-Write Cycle Timing Diagram for accuracy. • Changed order of TQFP Address Inputs to match pinout. • Changed order of TQFP DATA Input and Output pins to match pinout. • New GSI Logo. GS880F1836T Rev. 1.02 1/2000L; GS880F1836T Rev. 1.03 3/2000N Content • Changed all speed bin information (headings, references, tables, ordering info..) to reflect 14 -10Mhz GS880F1836T Rev. 1.03 1/2000N; GS880F1836T Rev. 1.04 3/2000O Content GS880F18/361.00 11/1999J Rev: 1.04 3/2000 • Corrections to AC Electrical Characteristics Table - 25/25 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Powered by ICminer.com Electronic-Library Service CopyRight 2003 © 2000, Giga Semiconductor, Inc. O