February 2007 AS6C1008 (R) 128K X 8 BIT LOW POWER CMOS SRAM FEATURES GENERAL DESCRIPTION Access time :55ns Low powe r consumption: Operating current:10 mA (TYP.) Standby current: 1 A (TYP.) Single 2.7V ~ 5.5V po we r supply Fully Compatible with all Competitors 5V product Fully Compatible with all Competitors 3.3V product Fully s tatic operation Tri-state output Data retention voltage : 1.5V (MIN.) All products are ROHS Compliant Package : 32-pin 450 mil SOP 32-pin 600 mil P-DIP 32-pin 8mm x 20mm TSOP-I 32-pin 8mm x 13.4mm sTSOP 36-ball 6mm x 8mm TFBGA PIN DESCRIPTION Vcc Vss DECODER DQ0-DQ7 I/O DATA CIRCUIT CE# CE2 WE# OE# CONTROL CIRCUIT 02/February/07, v 1.0 The AS6C1008 is well designed for very low power system applications, a nd particula rly well suited for battery back-u p non-volatile memory a pplication. The AS6C1008 operates from a single power supply of 2.7V ~ 5.5V. . FUNCTIONAL BLOCK DIAGRAM A0-A16 The AS6C1008 is a 1,048,576 -bit low powe r CMOS static random access me mory organized as 131,072 words by 8 bits . It is fabricated using ve ry high performance, high reliability CMOS technolo gy. Its sta ndby current is stable within the ra nge of operating temperature. 128Kx8 MEMORY ARRAY SYMBOL DESCRIPTION A0 - A16 Addres s Inputs DQ0 - DQ7 Da ta Inputs /Outputs CE#, CE2 Chip Enable Inputs WE# Write Enable Input OE# Output Enable Input VCC Pow er Supply V SS G round NC No C onnection COLUMN I/O Alliance Memory Inc. Page 1 of 14 (R) February 2007 AS6C1008 128K X 8 BIT LOW POWER CMOS SRAM PIN CONFIGURATION Vcc 1 32 A16 2 31 A15 A14 3 30 CE2 A12 4 29 WE# A7 5 28 A13 A6 6 27 A8 A5 7 A4 8 A3 9 A2 10 A1 11 A0 AS6C1008 NC 26 A9 25 A11 24 OE# 23 A10 22 CE# 12 21 DQ7 DQ0 13 20 DQ6 DQ1 14 19 DQ5 DQ2 15 18 DQ4 Vss 16 17 DQ3 A1 1 A9 A8 A1 3 WE # CE 2 A1 5 Vc c NC A1 6 A1 4 A1 2 A7 A6 A5 A4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 AS6C1008 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 OE # A10 CE # DQ7 DQ6 DQ5 DQ4 DQ3 Vss DQ2 DQ1 DQ0 A0 A1 A2 A3 T S OP -I/sTSOP SOP/P-DIP A A0 A1 CE2 A3 A6 A8 B DQ4 A2 WE# A4 A7 DQ0 C DQ5 NC A5 D Vss Vcc E Vcc Vss F DQ6 NC DQ2 G DQ7 OE# CE# A16 A15 DQ3 H NC A9 A10 1 2 A11 A12 3 4 TFBGA DQ1 A13 A14 5 6 . 02/February/07, v 1.0 Alliance Memory Inc. Page 2 of 14 February 2007 AS6C1008 (R) 128K X 8 BIT LOW POWER CMOS SRAM ABSOLUTE MAXIMUM RATINGS* PARAMETER Terminal Voltage with Respect to VSS SYMBOL VTERM Operating Temperature RATING -0.5 to 7.0 0 to 70(C grade) UNIT V TA Storage Temperature Power Dissipation DC Output Current Soldering Temperature (under 10 sec) C -40 to 85(I grade) -65 to 150 1 50 260 TSTG PD IOUT TSOLDER C W mA C *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# H X L L L CE2 X L H H H OE# X X H L X WE# X X H H L SUPPLY CURRENT ISB1 ISB1 ICC,ICC1 ICC,ICC1 ICC,ICC1 I/O OPERATION High-Z High-Z High-Z DOUT DIN H = VIH, L = VIL, X = Don't care. DC ELECTRICAL CHARACTERISTICS SYMBOL TEST CONDITION MIN. PARAMETER Supply Voltage VCC 2.7 *1 Input High Voltage VIH 0.7*Vcc *2 Input Low Voltage VIL - 0.2 VCC VIN VSS Input Leakage Current ILI -1 VCC VOUT VSS, Output Leakage -1 ILO Output Disabled Current Output High Voltage VOH IOH = -1mA 2.2 Output Low Voltage VOL IOL = 2mA Cycle time = Min. CE# = VIL and CE2 = VIH, - 55 ICC II/O = 0mA Average Operating Cycle time = 1s Power supply Current CE#0.2V and CE2VCC-0.2V, ICC1 II/O = 0mA other pins at 0.2V or VCC-0.2V CE# VCC-0.2V C* Standby Power ISB1 Supply Current or CE20.2V I* - TYP. 3.0 - *4 MAX. 5.5 VCC+0.3 0.6 1 UNIT V V V A - 1 A 2.7 - 0.4 V V 10 60 mA 1 10 mA 1 1 20 50 A A *C=Commercial temperature/I= Industrial temperature 02/February/07, v 1.0 Alliance Memory Inc. Page 3 of 14 February 2007 AS6C1008 (R) 128K X 8 BIT LOW POWER CMOS SRAM Notes: 1. VIH(max) = VCC + 3.0V for pulse width less than 10ns. 2. VIL(min) = VSS - 3.0V for pulse width less than 10ns. 3. Over/Undershoot specifications are characterized, not 100% tested. 4. Typical values are included for reference only and are not guaranteed or tested. Typical valued are measured at V CC = VCC(TYP.) and TA = 25C CAPACITANCE (TA = 25, f = 1.0MHz) PARAMETER Input Capacitance Input/Output Capacitance SYMBOL CIN CI/O MIN. - MAX 6 8 UNIT pF pF Note : These parameters are guaranteed by device characterization, but not production tested. AC TEST CONDITIONS Input Pulse Levels Input Rise and Fall Times Input and Output Timing Reference Levels Output Load 0.2V to VCC - 0.2V 3ns 1.5V CL =30pF + 1TTL, IOH/IOL = -1mA/2mA 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 (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 SYM. AS6C1008-55 MIN. MAX. 55 55 55 30 10 5 20 20 10 - tRC tAA tACE tOE tCLZ* tOLZ* tCHZ* tOHZ* tOH SYM. tWC tAW tCW tAS tWP tWR tDW tDH tOW* tWHZ* AS6C1008-55 MIN. MAX. 55 50 50 0 45 0 25 0 5 20 *These parameters are guaranteed by device characterization, but not production tested. 02/February/07, v 1.0 Alliance Memory Inc. UNIT ns ns ns ns ns ns ns ns ns UNIT ns ns ns ns ns ns ns ns ns ns Page 4 of 14 February 2007 AS6C1008 (R) 128K X 8 BIT LOW POWER CMOS SRAM TIMING WAVEFORMS READ CYCLE 1 (Address Controlled) (1,2) tRC Address tAA Dout tOH Previous Data Valid Data Valid READ CYCLE 2 (CE# and CE2 and OE# Controlled) (1,3,4,5) tRC Address tAA CE# tACE CE2 OE# tCLZ Dout High-Z tOLZ tOE tOH tOHZ tCHZ Data Valid High-Z Notes : 1.WE# is high for read cycle. 2.Device is continuously selected OE# = low, CE# = low., CE2 = high. 3.Address must be valid prior to or coincident with CE# = low , CE2 = high; 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, t CHZ is less than tCLZ , tOHZ is less than tOLZ. 02/February/07, v 1.0 Alliance Memory Inc. Page 5 of 14 February 2007 AS6C1008 (R) 128K X 8 BIT LOW POWER CMOS SRAM WRITE CYCLE 1 (WE# Controlled) (1,2,3,5,6) tWC Address tAW CE# tCW CE2 tAS tWP tWR WE# tWHZ Dout TOW High-Z (4) tDW (4) tDH Data Valid Din WRITE CYCLE 2 (CE# and CE2 Controlled) (1,2,5,6) tWC Address tAW CE# tAS tWR tCW CE2 tWP WE# tWHZ Dout (4) High-Z tDW Din tDH Data Valid Notes : 1.WE#, CE# must be high or CE2 must be low during all address transitions. 2.A write occurs during the overlap of a low CE#, high CE2, low WE#. 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#low transition and CE2 high 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. 02/February/07, v 1.0 Alliance Memory Inc. Page 6 of 14 February 2007 AS6C1008 (R) 128K X 8 BIT LOW POWER CMOS SRAM DATA RETENTION CHARACTERISTICS PARAMETER SYMBOL VCC for Data Retention VDR Data Retention Current IDR TEST CONDITION CE# VCC - 0.2V or CE2 0.2V VCC = 1.5V CE# VCC - 0.2V or CE2 0.2V C** MIN. TYP. MAX. UNIT 1.5 - 5.5 V - 0.5 12 A 0 30 A I** See Data Retention Chip Disable to Data tCDR Waveforms (below) Retention Time Recovery Time tR tRC* = Read Cycle Time C=Commercial temp/I = Industrial temp** 0 - - ns tRC* - - ns DATA RETENTION WAVEFORM Low Vcc Data Retention Waveform (1) (CE# controlled) VDR 1.5V Vcc Vcc(min.) Vcc(min.) tCDR VIH CE# tR CE# Vcc-0.2V VIH Low Vcc Data Retention Waveform (2) (CE2 controlled) VDR 1.5V Vcc Vcc(min.) Vcc(min.) tCDR CE2 02/February/07, v 1.0 tR CE2 0.2V VIL VIL Alliance Memory Inc. Page 7 of 14 February 2007 AS6C1008 (R) 128K X 8 BIT LOW POWER CMOS SRAM PACKAGE OUTLINE DIMENSION 32 pin 450 mil SOP Package Outline Dimension SYM. A A1 A2 b c D E E1 e L L1 S y 02/February/07, v 1.0 UNIT INCH.(BASE) MM(REF) 0.118 (MAX) 0.004(MIN) 0.111(MAX) 0.016(TYP) 0.008(TYP) 0.817(MAX) 0.445 0.005 0.555 0.012 0.050(TYP) 0.0347 0.008 0.055 0.008 0.026(MAX) 0.004(MAX) o o 0 -10 2.997 (MAX) 0.102(MIN) 2.82(MAX) 0.406(TYP) 0.203(TYP) 20.75(MAX) 11.303 0.127 14.097 0.305 1.270(TYP) 0.881 0.203 1.397 0.203 0.660 (MAX) 0.101(MAX) o o 0 -10 Alliance Memory Inc. Page 8 of 14 February 2007 AS6C1008 (R) 128K X 8 BIT LOW POWER CMOS SRAM 32 pin 600 mil P-DIP Package Outline Dimension SYM. A1 A2 B D E E1 e eB L S Q1 UNIT INCH(BASE) MM(REF) 0.001 (MIN) 0.150 0.005 0.018 0.005 1.650 0.005 0.600 0.010 0.544 0.004 0.100 (TYP) 0.640 0.020 0.130 0.010 0.075 0.010 0.070 0.005 0.254 (MIN) 3.810 0.127 0.457 0.127 41.910 0.127 15.240 0.254 13.818 0.102 2.540 (TYP) 16.256 0.508. 3.302 0.254 1.905 0.254 1.778 0.127 Note : D/E1/S dimension do not include mold flash. 02/February/07, v 1.0 Alliance Memory Inc. Page 9 of 14 February 2007 AS6C1008 (R) 128K X 8 BIT LOW POWER CMOS SRAM 32 pin 8mm x 20mm TSOP-I Package Outline Dimension UNIT SYM. A A1 A2 b c D E e HD L L1 y 02/February/07, v 1.0 INCH(BASE) MM(REF) 0.047 (MAX) 0.004 0.002 0.039 0.002 0.008 + 0.002 - 0.001 0.005 (TYP) 0.724 0.004 0.315 0.004 0.020 (TYP) 0.787 0.008 0.0197 0.004 0.0315 0.004 0.003 (MAX) o o 0 5 1.20 (MAX) 0.10 0.05 1.00 0.05 0.20 + 0.05 -0.03 0.127 (TYP) 18.40 0.10 8.00 0.10 0.50 (TYP) 20.00 0.20 0.50 0.10 0.08 0.10 0.076 (MAX) o o 0 5 Alliance Memory Inc. Page 10 of 14 February 2007 AS6C1008 (R) 128K X 8 BIT LOW POWER CMOS SRAM 32 pin 8mm x 13.4mm sTSOP Package Outline Dimension HD cL 12 (2x) 32 16 17 12 (2x) b E e 1 "A" Seating Plane D y 12 (2X) 16 17 0.254 A2 c A GAUGE PLANE A1 0 SEATING PLANE "A" DETAIL VIEW 1 L1 32 SYM. UNIT A A1 A2 b c D E e HD L L1 y 02/February/07, v 1.0 L 12 (2X) INCH(BASE) MM(REF) 0.049 (MAX) 0.005 0.002 0.039 0.002 0.008 0.01 0.005 (TYP) 0.465 0.004 0.315 0.004 0.020 (TYP) 0.5280.008 0.0197 0.004 0.0315 0.004 0.003 (MAX) o o 0 5 1.25 (MAX) 0.130 0.05 1.00 0.05 0.200.025 0.127 (TYP) 11.80 0.10 8.00 0.10 0.50 (TYP) 13.40 0.20. 0.50 0.10 0.8 0.10 0.076 (MAX) o o 0 5 Alliance Memory Inc. Page 11 of 14 February 2007 AS6C1008 128K X 8 BIT LOW POWER CMOS SRAM 36 ball 6mm x 8mm TFBGA Package Outline Dimension 02/February/07, v 1.0 Alliance Memory Inc. Page 12 of 14 February 2007 AS6C1008 128K X 8 BIT LOW POWER CMOS SRAM (R) (R) Alliance Memory, Inc. 1116 South Amphlett, #2, San Mateo, CA 94402 Tel: 650-525-3737 Fax: 650-525-0449 Copyright (c) Alliance Memory All Rights Reserved Part Number: AS6C1008 Document Version: v. 1.0 www.alliancememory.com (c) Copyright 2003 Alliance Memory, Inc. All rights reserved. Our three-point logo, our name and Intelliwatt are trademarks or registered trademarks of Alliance. All other brand and product names may be the trademarks of their respective companies. Alliance reserves the right to make changes to this document and its products at any time without notice. Alliance assumes no responsibility for any errors that may appear in this document. The data contained herein represents Alliance's best data and/or estimates at the time of issuance. Alliance reserves the right to change or correct this data at any time, without notice. If the product described herein is under development, significant changes to these specifications are possible. The information in this product data sheet is intended to be general descriptive information for potential customers and users, and is not intended to operate as, or provide, any guarantee or warrantee to any user or customer. Alliance does not assume any responsibility or liability arising out of the application or use of any product described herein, and disclaims any express or implied warranties related to the sale and/or use of Alliance products including liability or warranties related to fitness for a particular purpose, merchantability, or infringement of any intellectual property rights, except as express agreed to in Alliance's Terms and Conditions of Sale (which are available from Alliance). All sales of Alliance products are made exclusively according to Alliance's Terms and Conditions of Sale. The purchase of products from Alliance does not convey a license under any patent rights, copyrights; mask works rights, trademarks, or any other intellectual property rights of Alliance or third parties. Alliance does not authorize its products for use as critical components in life-supporting systems where a malfunction or failure may reasonably be expected to result in significant injury to the user, and the inclusion of Alliance products in such life-supporting systems implies that the manufacturer assumes all risk of such use and agrees to indemnify Alliance against all claims arising from such use. 02/February/07, v 1.0 Alliance Memory Inc. Page 14 of 14