LY61L25616A 256K X 16 BIT HIGH SPEED CMOS SRAM Rev. 1.4 REVISION HISTORY Revision Rev. 1.0 Rev. 1.1 Rev. 1.2 Description Initial Issue “CE# ≧VCC - 0.2V” revised as ”CE# ≦0.2V” for TEST CONDITION of Average Operating Power supply Current Icc1 on page3 Revised VIH(max)/VIL(min) in Issue Date Jul.12.2012 Jul.19.2012 May.7.2013 DC ELECTRICAL CHARACTERISTICS Rev. 1.3 Rev. 1.4 Added in tBA/tBHZ*/tBLZ* in AC ELECTRICAL CHARACTERISTICS Added WRITE CYCLE 3 in TIMING WAVEFORMS 1. Revise “TEST CONDITION” for VOH, VOL on page 5 IOH = -8mA revised as -4mA IOL =4mA revised as 8mA 2. Revise VIH(max) & VIL(min) note on page 5 VIH(max) = VCC + 2.0V for pulse width less than 6ns. VIL(min) = VSS - 2.0V for pulse width less than 6ns. Revised the address pin sequence of TSOP-II pin configuration on page 3 in order to be compatible with industry convention. (No function specifications and applications have been changed and all the characteristics are kept all the same as Rev 1.3 ) Added tBW in AC ELECTRICAL CHARACTERISTICS Revised WRITE CYCLE 1,2 in TIMING WAVEFORMS Lyontek Inc. reserves the rights to change the specifications and products without notice. 5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan. TEL: 886-3-6668838 FAX: 886-3-6668836 0 Jun.04.2013 Sep.23.2013 LY61L25616A 256K X 16 BIT HIGH SPEED CMOS SRAM Rev. 1.4 FEATURES GENERAL DESCRIPTION Fast access time : 8/10/12ns Low power consumption: Operating current: 50/40/35mA(TYP.) Standby current: 2mA(TYP.) Single 3.3V power supply All inputs and outputs TTL compatible Fully static operation Tri-state output Data byte control : LB# (DQ0 ~ DQ7) UB# (DQ8 ~ DQ15) Data retention voltage : 1.5V (MIN.) Green package available Package : 44-pin 400 mil TSOP-II 48-ball 6mmx8mm TFBGA The LY61L25616A is a 4,194,304-bit high speed CMOS static random access memory organized as 262144 words by 16 bits. It is fabricated using very high performance, high reliability CMOS technology. Its standby current is stable within the range of operating temperature. The LY61L25616A operates from a single power supply of 3.3V and all inputs and outputs are fully TTL compatible PRODUCT FAMILY Product Family LY61L25616A LY61L25616A(I) Operating Temperature 0 ~ 70℃ -40 ~ 85℃ Vcc Range Speed 2.7 ~ 3.6V 3.0 ~ 3.6V 2.7 ~ 3.6V 3.0 ~ 3.6V 10/12ns 8ns 10/12ns 8ns Power Dissipation Standby(ISB1,TYP.) Operating(ICC1,TYP.) 2mA 40/35mA 2mA 50mA 2mA 40/35mA 2mA 50mA Lyontek Inc. reserves the rights to change the specifications and products without notice. 5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan. TEL: 886-3-6668838 FAX: 886-3-6668836 1 LY61L25616A 256K X 16 BIT HIGH SPEED CMOS SRAM Rev. 1.4 PIN DESCRIPTION FUNCTIONAL BLOCK DIAGRAM Vcc Vss A0-A17 DQ0-DQ7 Lower Byte DQ8-DQ15 Upper Byte CE# WE# OE# LB# UB# DECODER I/O DATA CIRCUIT 256Kx16 MEMORY ARRAY COLUMN I/O SYMBOL DESCRIPTION A0 - A17 Address Inputs DQ0 – D15 Data Inputs/Outputs CE# Chip Enable Inputs WE# Write Enable Input OE# Output Enable Input LB# Lower Byte Control UB# Upper Byte Control VCC Power Supply VSS Ground NC No Connection CONTROL CIRCUIT Lyontek Inc. reserves the rights to change the specifications and products without notice. 5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan. TEL: 886-3-6668838 FAX: 886-3-6668836 2 LY61L25616A Rev. 1.4 256K X 16 BIT HIGH SPEED CMOS SRAM PIN CONFIGURATION Lyontek Inc. reserves the rights to change the specifications and products without notice. 5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan. TEL: 886-3-6668838 FAX: 886-3-6668836 3 LY61L25616A 256K X 16 BIT HIGH SPEED CMOS SRAM Rev. 1.4 ABSOLUTE MAXIMUN RATINGS* PARAMETER Voltage on VCC relative to VSS Voltage on any other pin relative to VSS SYMBOL VT1 VT2 Operating Temperature TA Storage Temperature Power Dissipation DC Output Current TSTG PD IOUT RATING -0.5 to 4.6 -0.5 to VCC+0.5 0 to 70(C grade) -40 to 85(I grade) -65 to 150 1 50 UNIT V V ℃ ℃ W mA *Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to the absolute maximum rating conditions for extended period may affect device reliability. TRUTH TABLE MODE Standby Output Disable Read Write Note: CE# OE# H L L L L L L L L X H X L L L X X X WE# LB# X H X H H H L L L X X H L H L L H L UB# X X H H L L H L L I/O OPERATION DQ0-DQ7 DQ8-DQ15 High – Z High – Z High – Z High – Z High – Z High – Z DOUT High – Z DOUT High – Z DOUT DOUT DIN High – Z DIN High – Z DIN DIN H = VIH, L = VIL, X = Don't care Lyontek Inc. reserves the rights to change the specifications and products without notice. 5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan. TEL: 886-3-6668838 FAX: 886-3-6668836 4 SUPPLY CURRENT ISB,ISB1 ICC,ICC1 ICC,ICC1 ICC,ICC1 LY61L25616A 256K X 16 BIT HIGH SPEED CMOS SRAM Rev. 1.4 DC ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL Supply Voltage VCC Input High Voltage Input Low Voltage Input Leakage Current Output Leakage Current Output High Voltage Output Low Voltage VIH*1 VIL*2 ILI ILO VOH VOL ICC Average Operating Power supply Current ICC1 Standby Power Supply Current ISB ISB1 TEST CONDITION -8 -10/-12 VCC ≧ VIN ≧ VSS VCC ≧ VOUT ≧ VSS, Output Disabled IOH = -4mA IOL = 8mA -8 Cycle time = Min. CE# = VIL, II/O = 0mA, -10 Others at VIL or VIH -12 -8 CE# ≦0.2, Others at 0.2V or Vcc-0.2V -10 II/O = 0mA;f=max -12 CE# =VIH, Others at VIL or VIH CE# ≧VCC - 0.2V, Others at 0.2V or VCC - 0.2V MIN. 3.0 2.7 2.2 - 0.3 -1 MAX. TYP. *4 3.3 3.6 3.3 3.6 VCC+0.3 0.8 1 UNIT V V V V µA -1 - 1 µA 2.4 - 65 50 45 50 40 35 - 0.4 80 70 60 60 55 50 30 V V mA mA mA mA mA mA mA - 2 10 mA Notes: 1. VIH(max) = VCC + 2.0V for pulse width less than 6ns. 2. VIL(min) = VSS - 2.0V for pulse width less than 6ns. 3. Over/Undershoot specifications are characterized on engineering evaluation stage, not for mass production test. 4. Typical values are included for reference only and are not guaranteed or tested. Typical valued are measured at VCC = VCC(TYP.) and TA = 25℃ CAPACITANCE (TA = 25℃, f = 1.0MHz) PARAMETER Input Capacitance Input/Output Capacitance SYMBOL CIN CI/O MIN. - MAX 8 10 Note : These parameters are guaranteed by device characterization, but not production tested. AC TEST CONDITIONS Speed Input Pulse Levels Input Rise and Fall Times Input and Output Timing Reference Levels Output Load 8/10/12ns 0.2V to VCC - 0.2V 3ns 1.5V CL = 30pF + 1TTL, IOH/IOL = -4mA/8mA Lyontek Inc. reserves the rights to change the specifications and products without notice. 5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan. TEL: 886-3-6668838 FAX: 886-3-6668836 5 UNIT pF pF LY61L25616A 256K X 16 BIT HIGH SPEED CMOS SRAM Rev. 1.4 AC ELECTRICAL CHARACTERISTICS (1) READ CYCLE PARAMETER Read Cycle Time Address Access Time Chip Enable Access Time Output Enable Access Time Chip Enable to Output in Low-Z Output Enable to Output in Low-Z Chip Disable to Output in High-Z Output Disable to Output in High-Z Output Hold from Address Change LB#, UB# Access Time LB#, UB# to High-Z Output LB#, UB# to Low-Z Output SYM. tRC tAA tACE tOE tCLZ* tOLZ* tCHZ* tOHZ* tOH tBA tBHZ* tBLZ* LY61L25616A-8 LY61L25616A-10 LY61L25616A-12 UNIT MIN. MAX. MIN. MAX. MIN. MAX. 8 10 12 ns 8 10 12 ns 8 10 12 ns 4.5 4.5 5 ns 2 2 3 ns 0 0 0 ns 3 4 5 ns 3 4 5 ns 2 2 2 ns 4.5 4.5 5 ns 3 4 5 ns 0 0 0 ns (2) WRITE CYCLE PARAMETER Write Cycle Time Address Valid to End of Write Chip Enable to End of Write Address Set-up Time Write Pulse Width Write Recovery Time Data to Write Time Overlap Data Hold from End of Write Time Output Active from End of Write Write to Output in High-Z LB#, UB# Valid to End of Write SYM. tWC tAW tCW tAS tWP tWR tDW tDH tOW* tWHZ* tBW LY61L25616A-8 LY61L25616A-10 LY61L25616A-12 MIN. MAX. MIN. MAX. MIN. MAX. 8 10 12 6.5 8 10 6.5 8 10 0 0 0 6.5 8 10 0 0 0 5 6 7 0 0 0 2 2 2 3 4 5 6.5 8 10 - *These parameters are guaranteed by device characterization, but not production tested. Lyontek Inc. reserves the rights to change the specifications and products without notice. 5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan. TEL: 886-3-6668838 FAX: 886-3-6668836 6 UNIT ns ns ns ns ns ns ns ns ns ns ns LY61L25616A 256K X 16 BIT HIGH SPEED CMOS SRAM Rev. 1.4 TIMING WAVEFORMS READ CYCLE 1 (Address Controlled) (1,2) tRC Address tAA Dout tOH Previous Data Valid Data Valid READ CYCLE 2 (CE# and OE# Controlled) (1,3,4,5) tRC Address tAA CE# tACE OE# tOE tOH tOHZ tCHZ tOLZ tCLZ Dout High-Z Data Valid Notes : 1.WE# is high for read cycle. 2.Device is continuously selected OE# = low, CE# = low. 3.Address must be valid prior to or coincident with CE# = low,; otherwise tAA is the limiting parameter. 4.tCLZ, tOLZ, tCHZ and tOHZ are specified with CL = 5pF. Transition is measured ±500mV from steady state. 5.At any given temperature and voltage condition, tCHZ is less than tCLZ , tOHZ is less than tOLZ. Lyontek Inc. reserves the rights to change the specifications and products without notice. 5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan. TEL: 886-3-6668838 FAX: 886-3-6668836 7 High-Z LY61L25616A 256K X 16 BIT HIGH SPEED CMOS SRAM Rev. 1.4 WRITE CYCLE 1 (WE# Controlled) (1,2,3,5,6) tWC Address tAW CE# tCW tBW LB#,UB# tAS tWP tWR WE# tWHZ Dout TOW High-Z (4) tDW Din (4) tDH Data Valid WRITE CYCLE 2 (CE# Controlled) (1,2,5,6) tWC Address tAW CE# tAS tWR tCW tBW LB#,UB# tWP WE# tWHZ Dout High-Z (4) tDW tDH Data Valid Din Lyontek Inc. reserves the rights to change the specifications and products without notice. 5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan. TEL: 886-3-6668838 FAX: 886-3-6668836 8 LY61L25616A 256K X 16 BIT HIGH SPEED CMOS SRAM Rev. 1.4 WRITE CYCLE 3 (LB#,UB# Controlled) (1,2,5,6) tWC Address tAW tWR CE# tCW tBW tAS LB#,UB# tWP WE# tWHZ Dout High-Z (4) tDW Din tDH Data Valid Notes : 1.WE#,CE#, LB#, UB# must be high during all address transitions. 2.A write occurs during the overlap of a low CE#, low WE#, LB# or UB# = low. 3.During a WE# controlled write cycle with OE# low, tWP must be greater than tWHZ + tDW to allow the drivers to turn off and data to be placed on the bus. 4.During this period, I/O pins are in the output state, and input signals must not be applied. 5.If the CE#, LB#, UB# low transition occurs simultaneously with or after WE# low transition, the outputs remain in a high impedance state. 6.tOW and tWHZ are specified with CL = 5pF. Transition is measured ±500mV from steady state. Lyontek Inc. reserves the rights to change the specifications and products without notice. 5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan. TEL: 886-3-6668838 FAX: 886-3-6668836 9 LY61L25616A 256K X 16 BIT HIGH SPEED CMOS SRAM Rev. 1.4 DATA RETENTION CHARACTERISTICS PARAMETER VCC for Data Retention Data Retention Current Chip Disable to Data Retention Time Recovery Time tRC* = Read Cycle Time SYMBOL TEST CONDITION VDR CE# ≧ VCC - 0.2V VCC = 1.5V CE# ≧ VCC - 0.2V IDR Others at 0.2V or Vcc – 0.2V See Data Retention tCDR Waveforms (below) tR MIN. 1.5 TYP. - MAX. 3.6 UNIT V - 2 10 mA 0 - - ns tRC* - - ns DATA RETENTION WAVEFORM DR CDR R IH IH Lyontek Inc. reserves the rights to change the specifications and products without notice. 5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan. TEL: 886-3-6668838 FAX: 886-3-6668836 10 LY61L25616A 256K X 16 BIT HIGH SPEED CMOS SRAM Rev. 1.4 PACKAGE OUTLINE DIMENSION 44-pin 400mil TSOP-Ⅱ Package Outline Dimension SYMBOLS A A1 A2 b c D E E1 e L ZD y Θ DIMENSIONS IN MILLMETERS MIN. NOM. MAX. 1.20 0.05 0.10 0.15 0.95 1.00 1.05 0.30 0.45 0.12 0.21 18.212 18.415 18.618 11.506 11.760 12.014 9.957 10.160 10.363 0.800 0.40 0.50 0.60 0.805 0.076 3o 6o 0o DIMENSIONS IN MILS MIN. NOM. MAX. 47.2 2.0 3.9 5.9 37.4 39.4 41.3 11.8 17.7 4.7 8.3 717 725 733 453 463 473 392 400 408 31.5 15.7 19.7 23.6 31.7 3 0o 3o 6o Lyontek Inc. reserves the rights to change the specifications and products without notice. 5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan. TEL: 886-3-6668838 FAX: 886-3-6668836 11 LY61L25616A Rev. 1.4 256K X 16 BIT HIGH SPEED CMOS SRAM 48-ball 6mm × 8mm TFBGA Package Outline Dimension Lyontek Inc. reserves the rights to change the specifications and products without notice. 5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan. TEL: 886-3-6668838 FAX: 886-3-6668836 12 LY61L25616A 256K X 16 BIT HIGH SPEED CMOS SRAM Rev. 1.4 ORDERING INFORMATION Package Type Access Time (Speed/ns) 44Pin(400mil) TSOP-II 8 Temperature Range(℃) 0℃~70℃ -40℃~85℃ 10 0℃~70℃ -40℃~85℃ 48-Ball 6mmx8mm TFBGA 10 0℃~70℃ -40℃~85℃ Packing Type Tray LY61L25616AML-8 Tape Reel LY61L25616AML-8T Tray LY61L25616AML-8I Tape Reel LY61L25616AML-8IT Tray LY61L25616AML-10 Tape Reel LY61L25616AML-10T Tray LY61L25616AML-10I Tape Reel LY61L25616AML-10IT Tray LY61L25616AGL-10 Tape Reel LY61L25616AGL-10T Tray LY61L25616AGL-10I Tape Reel LY61L25616AGL-10IT Lyontek Inc. reserves the rights to change the specifications and products without notice. 5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan. TEL: 886-3-6668838 FAX: 886-3-6668836 13 Lyontek Item No. LY61L25616A Rev. 1.4 256K X 16 BIT HIGH SPEED CMOS SRAM THIS PAGE IS LEFT BLANK INTENTIONALLY. Lyontek Inc. reserves the rights to change the specifications and products without notice. 5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan. TEL: 886-3-6668838 FAX: 886-3-6668836 14