SRAM AS8SLC512K32 Austin Semiconductor, Inc. 512K x 32 SRAM PIN ASSIGNMENT (Top View) SRAM Memory Array MCM NC A0 A1 A2 A3 A4 A5 CE\3 GND CE\4 WE\1 A6 A7 A8 A9 A10 Vcc 68 Lead CQFP (Q) FEATURES OPTIONS • • • • I/O 0 I/O 1 I/O 2 I/O 3 I/O 4 I/O 5 I/O 6 I/O 7 GND I/O 8 I/O 9 I/O 10 I/O 11 I/O 12 I/O 13 I/O 14 I/O 15 9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61 10 60 11 59 12 58 57 13 56 14 55 15 16 54 17 53 18 52 19 51 20 50 21 49 22 48 23 47 24 46 25 45 26 44 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 MARKINGS Timing 10ns 12ns 15ns 17ns 20ns 66 Lead PGA (P) -10 (consult factory) -12 -15 -17 -20 Package Ceramic Quad Flatpack Pin Grid Array Q P Operating Temperature Ranges Military (-55oC to +125oC) Industrial (-40oC to +85oC) XT IT 2V data retention/low power L I/O 16 I/O 17 I/O 18 I/O 19 I/O 20 I/O 21 I/O 22 I/O 23 GND I/O 24 I/O 25 I/O 26 I/O 27 I/O 28 I/O 29 I/O 30 I/O 31 A16 CE\1 OE CE\2 A17 WE\2 WE\3 WE\4 A18 NC NC Fast access times: 10, 12, 15, 17 and 20ns Fast OE\ access times: 6ns Ultra-low operating power < 1W worst case Single +3.3V ±0.3V power supply Fully static -- no clock or timing strobes necessary All inputs and outputs are TTL-compatible Easy memory expansion with CE\ and OE\ options Automatic CE\ power down High-performance, low-power consumption, CMOS Vcc A11 A12 A13 A14 A15 • • • • • • • • • CS CS \ No. 702 No.904 CS CS M4 GENERAL DESCRIPTION The Austin Semiconductor, Inc. AS8SLC512K32 is a 3.3V 16 Megabit CMOS SRAM Module organized as 512Kx32 bits. The AS8SLC512K32 achieves very high speed access, low power consumption and high reliability by employing advanced CMOS memory technology. This military temperature grade product is ideally suited for commercial, industrial, and military applications when asynchronous high speed switching and low ACTIVE opening power is mandated. M3 M2 M1 For more products and information please visit our web site at www.austinsemiconductor.com BLOCK DIAGRAM AS8SLC512K32 Rev. 2.0 3/03 Austin Semiconductor, Inc. reserves the right to change products or specifications without notice. 1 SRAM AS8SLC512K32 Austin Semiconductor, Inc. ABSOLUTE MAXIMUM RATINGS* This is a stress rating only and functional operation on the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. **Junction temperature depends upon package type, cycle time, loading, ambient temperature and airflow. See the Application Information section at the end of this datasheet for more information. Voltage of Vcc Supply Relative to Vss...........-0.5V to +4.6V Storage Temperature.....................................-65°C to +150°C Short Circuit Output Current(per I/O)............................20mA Voltage on Any Pin Relative to Vss............-.5V to Vcc+4.6V Maximum Junction Temperature**.............................+150°C *Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. ELECTRICAL CHARACTERISTICS AND RECOMMENDED DC OPERATING CONDITIONS (-55oC < TA < 125oC and -40oC to +85oC; Vcc = 3.3V ±0.3V) DESCRIPTION Input High (logic 1) Voltage CONDITIONS SYMBOL MIN MAX VIH 2.2 VCC+0.3 V 1 VIL -0.3 0.8 V 1 ILI1 -10 10 µA ILI2 -10 10 µA Output(s) Disabled 0V<VOUT<VCC ILO -10 10 µA Output High Voltage IOH=-4.0mA VOH 2.4 Output Low Voltage IOL=8.0mA VOL Input Low (logic 1) Voltage Input Leakage CurrentADD,OE 0V<VIN<VCC Input Leakage CurrentWE,CE Output Leakage CurrentI/O DESCRIPTION CONDITIONS SYMBOL UNITS NOTES 0.5 -10 -12 MAX -15 -17 -20 350 320 280 260 240 280 240 200 180 160 --- --- --- --- --- 120 80 80 80 80 --- --- --- --- --- 80 40 40 40 40 100 80 80 80 80 80 60 60 60 60 80 60 60 60 60 50 36 36 36 36 V 1 V 1 UNITS NOTES CS\<VIL; VCC = MAX High Speed f = MAX = 1/ tRC (MIN) Power Supply Outputs Open, OE\ = VIH Current: Operating ICC1 Low Power (L) Low Speed Power Supply Current: Operating Low Speed Power Supply Current: Operating CS\<VIL; VCC = MAX f = 10 MHz, OE\ = VIH ICC2 Low Power (L) CS\<VIL; VCC = MAX f = 1 MHz, OE\ = VIH ICC3 Low Power (L) mA 2, 3,13 mA 2 mA 2 mA 3, 13 CS\>VIH; VCC = MAX Power Supply Current: Standby f = MAX = 1/ tRC (MIN) Outputs Open, OE\=VIH ISBT1 Low Power (L) CMOS Standby VIN = VCC - 0.2V, or VSS +0.2V VCC=Max; f = 0Hz Low Power (L) AS8SLC512K32 Rev. 2.0 3/03 ISBT2 mA Austin Semiconductor, Inc. reserves the right to change products or specifications without notice. 2 SRAM AS8SLC512K32 Austin Semiconductor, Inc. CAPACITANCE (VIN = 0V, f = 1MHz, TA = 25oC)* SYMBOL CADD COE CWE, CCS CIO PARAMETER A0 - A18 Capacitance OE\ Capacitance WE\ and CS\ Capacitance I/O 0- I/O 31 Capacitance MAX 40 40 12 15 UNITS pF pF pF pF NOTE: *This parameter is sampled. AC TEST CONDITIONS TEST SPECIFICATIONS Input pulse levels...........................................VSS to 3V Input rise and fall times...........................................1ns/V Input timing reference levels...............................1.5V Output reference levels........................................1.5V Output load..........................................See Figure 1, 2 3.3V RL = 50Ω ZO = 50Ω 319Ω VL = 1.5V Q 30 pF Q 5 pF 333Ω FIGURE 1 AS8SLC512K32 Rev. 2.0 3/03 FIGURE 2 Austin Semiconductor, Inc. reserves the right to change products or specifications without notice. 3 SRAM AS8SLC512K32 Austin Semiconductor, Inc. ELECTRICAL CHARACTERISTICS AND RECOMMENDED AC OPERATING CONDITIONS (NOTE 5) (-55oC<TA < 125oC and -40oC to +85oC; VCC = 3.3V ±0.3V) DESCRIPTION READ CYCLE READ cycle time Address access time Chip select access time Output hold from address change Chip select to output in Low-Z Chip select to output in High-Z Output enable access time Output enable to output in Low-Z Output disable to output in High-Z WRITE CYCLE WRITE cycle time Chip select to end of write Address valid to end of write Address setup time Address hold from end of write WRITE pulse width, CS\ controlled WRITE pulse width, WE\ controlled Data setup time Data hold time Write disable to output in Low-z Write enable to output in High-Z AS8SLC512K32 Rev. 2.0 3/03 SYMBOL t RC AA t ACS t OH t LZCS t HZCS t AOE t LZOE t HZOE -10 MIN MAX 10 t t WC CW t AW t AS t AH t WP1 t WP2 t DS t DH t LZWE t HZWE t -12 MIN MAX 12 15 10 10 1 1 0 0 12 12 2 2 5 5 6 6 0 0 0 0 6 12 8 8 0 0 10 10 6 1 2 5 -17 MIN MAX 17 15 15 2 2 5 10 7 7 0 0 9 9 5 1 2 5 -15 MIN MAX 20 17 17 2 2 7 7 20 20 2 2 7.5 7.5 0 7 15 10 10 0 0 12 12 7 1 2 6 -20 UNITS NOTES MIN MAX 0 0 7.5 17 11 11 0 0 14 14 7.5 1 2 6.5 8 8 8 20 12 12 0 0 15 15 8 1 2 7 ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns 4,6,7 4,6,7 4,6 4,6 4,6,7 4,6,7 Austin Semiconductor, Inc. reserves the right to change products or specifications without notice. 4 SRAM AS8SLC512K32 Austin Semiconductor, Inc. LOW POWER CHARACTERISTICS (L Version Only) CONDITIONS DESCRIPTION VCC for Retention Data Data Retention Current All Inputs @ Vcc + 0.2V or Vss + 0.2V, CS\ = Vcc + 0.2V SYMBOL VDR MIN 2 MAX UNITS V VCC = 2V ICCDR 24 mA VCC = 3V ICCDR 32 mA Chip Deselect to Data Retention Time NOTES tCDR 0 ns 4 tR 20 ms 4, 11 Operation Recovery Time LOW VCC DATA RETENTION WAVEFORM DATA RETENTION MODE VCC 4.5V 4.5V VDR > 2V t CS\ 1-4 t CDR 123456789012345678 12345 123456789012345678 12345 12345678 12345 12345678 123456789012345678 12345 12345678 123456789012345678 12345 12345678 123456789012345678 12345 12345678 123456789012345678 12345 12345678 123456789012345678 12345 12345678 123456789012345678 12345 123456789012345678 VDR R 123456789012345678 12345 123456789012345678 12345678 12345 12345678 12345 123456789012345678 12345678 12345 123456789012345678 12345678 12345 123456789012345678 12345678 12345 123456789012345678 12345678 12345 123456789012345678 12345678 12345 123456789012345678 12345 123456789012345678 NOTES 1. All voltages referenced to VSS (GND). 2. Worst case address switching. 3. ICC is dependent on output loading and cycle rates. unloaded, and f= 7. At any given temperature and voltage condition, tHZCS, is less than tLZCS, and tHZWE is less than tLZWE. 8. WE\ is HIGH for READ cycle. 9. Device is continuously selected. Chip selects and output enable are held in their active state. 10. Address valid prior to or coincident with latest occurring chip enable. 11. tRC= READ cycle time. 12. Chip enable (CS\) and write enable (WE\) can initiate and terminate a WRITE cycle. 13. ICC is for full 32 bit mode. 1 t RC(MIN) HZ. The specified value applies with the outputs 4. This parameter guaranteed but not tested. 5. Test conditions as specified with output loading as shown in Fig. 1 & 2 unless otherwise noted. 6. tHZCS, tHZOE and tHZWE are specified with CL= 5pF as in Fig. 2. Transition is measured +/- 200 mV typical from steady state voltage, allowing for actual tester RC time constant. AS8SLC512K32 Rev. 2.0 3/03 Austin Semiconductor, Inc. reserves the right to change products or specifications without notice. 5 SRAM AS8SLC512K32 Austin Semiconductor, Inc. READ CYCLE NO. 1 tRC ADDRESS tAA tOH DATA I/O PREVIOUS DATA VALID 12345 1234567 12345 12 12 12345 1234567 12345 1234567 12 12 12345 12345 12 12 12345 1234567 12345 12 12 12345 1234567 12345 NEW DATA VALID READ CYCLE NO. 2 tRC ADDRESS 12345 1234 123456789 1234 12345 123456789 12345 1234 123456789 CS\ 12345 1234 123456789 12345 1234 123456789 tAA 12345678 1234567 123456 12345678 1234567 123456 12345678 1234567 123456 12345678 1234567 123456 12345678 1234567 123456 t tLZCS ACS t 12345 1234 1234567890123 1234 12345 1234567890123 1234 1234567890123 OE\12345 12345 1234 1234567890123 DATA I/O AS8SLC512K32 Rev. 2.0 3/03 HZCS 12345678901 1234567 123456 12345678901 1234567 123456 1234567 123456 12345678901 12345678901 1234567 123456 tAOE 123456 1234 12 12345 11 tLZOE 123456 1234 12 12345 123456 1234 12 12345 11 123456 12 12345 1234 HIGH IMPEDANCE tHZOE DATA VALID Austin Semiconductor, Inc. reserves the right to change products or specifications without notice. 6 SRAM AS8SLC512K32 Austin Semiconductor, Inc. WRITE CYCLE NO. 1 (Chip Select Controlled) tWC ADDRESS tAS 123456 123456 123456 123456 123456 123456789 123456789 WE\ 123456789 123456789 CS\ tAW tAH tCW 1234567890123 1234567 123456 1234567890123 1234567 123456 1234567890123 1234567 123456 1234567890123 1234567 123456 tWP21 t DS DATA I/O tDH DATA VALID WRITE CYCLE NO. 2 (Write Enable Controlled) tWC ADDRESS 1234 12345 123456789 1234 12345 123456789 12345 1234 123456789 1234 123456789 CS\ 12345 1234 12345 123456789 tAS WE\ t AW tAH 1234567 1234567890123 123456 1234567890123 1234567 123456 1234567890123 1234567 123456 1234567890123 1234567 123456 1234567890123 1234567 123456 tCW t WP1 1 12345 12345 12345 12345 tHZWE 12345678901234 1 11234 1 12345678901234 11234 1 11234 DATA I/O 12345678901234 tDS tLZWE tDH DATA VALID 1234 1234 123 1234 1234 123 1234 1234 123 NOTES 1. All voltages referenced to VSS (GND). AS8SLC512K32 Rev. 2.0 3/03 Austin Semiconductor, Inc. reserves the right to change products or specifications without notice. 7 SRAM AS8SLC512K32 Austin Semiconductor, Inc. MECHANICAL DEFINITIONS* ASI Case #702 (Package Designator Q) 4 x D2 4 x D1 D DETAIL A R b 1o - 7o B L1 e SEE DETAIL A A1 A A2 E SPECIFICATIONS SYMBOL A A1 A2 B b D D1 D2 E e R L1 MIN 0.123 0.118 0.000 MAX 0.200 0.186 0.020 0.010 REF 0.013 0.017 0.800 BSC 0.870 0.980 0.936 0.890 1.000 0.956 0.050 BSC 0.005 0.035 --0.045 *All measurements are in inches. AS8SLC512K32 Rev. 2.0 3/03 Austin Semiconductor, Inc. reserves the right to change products or specifications without notice. 8 SRAM AS8SLC512K32 Austin Semiconductor, Inc. MECHANICAL DEFINITIONS* ASI Case #904 (Package Designator P) 4xD D1 A D2 Pin 56 A1 Pin 1 φb1 (identified by 0.060 square pad) E1 e φb Pin 66 e Pin 11 L SMD SPECIFICATIONS SYMBOL A A1 φb φb1 D D1/E1 D2 e L MIN 0.144 0.025 0.016 0.045 1.065 MAX 0.181 0.035 0.020 0.055 1.085 1.000 TYP 0.600 TYP 0.100 TYP 0.145 0.155 *All measurements are in inches. AS8SLC512K32 Rev. 2.0 3/03 Austin Semiconductor, Inc. reserves the right to change products or specifications without notice. 9 SRAM AS8SLC512K32 Austin Semiconductor, Inc. ORDERING INFORMATION EXAMPLE: AS8SLC512K32Q-17L/XT Device Number AS8SLC512K32 AS8SLC512K32 AS8SLC512K32 AS8SLC512K32 AS8SLC512K32 Package Type Q Q Q Q Q Speed ns -10 -12 -15 -17 -20 Options Process L L L L L /* /* /* /* /* EXAMPLE: AS8SLC512K32P-12/IT Device Number AS8SLC512K32 AS8SLC512K32 AS8SLC512K32 AS8SLC512K32 AS8SLC512K32 Package Type P P P P P Speed ns -10 -12 -15 -17 -20 Options Process L L L L L /* /* /* /* /* *AVAILABLE PROCESSES XT = Industrial Temperature Range IT = Industrial Temperature Range 883C = Military Processing -55oC to +125oC -40oC to +85oC -55oC to +125oC OPTION DEFINITIONS L = 2V data retention/low power AS8SLC512K32 Rev. 2.0 3/03 Austin Semiconductor, Inc. reserves the right to change products or specifications without notice. 10