AS6C4008A Rev. 1.12 512K X 8 BIT LOW POWER CMOS SRAM REVISION HISTORY Revision Description Issue Date Rev. 1.12 Initial Issue May 15, 2012 Alliance Memory, Inc. 551 Taylor Way, Suite 1, San Carlos, CA 94070 Phone: 650-610-6800 0 AS6C4008A Rev. 1.12 512K X 8 BIT LOW POWER CMOS SRAM FEATURES GENERAL DESCRIPTION The AS6C4008A is a 4,194,304-bit low power Fast access time : 55ns CMOS static random access memory organized as Low power consumption: 524,288 words by 8 bits. It is fabricated using very Operating current : 30mA (TYP.) high performance, high reliability CMOS technology. Standby current : 1 A (TYP.) SL-version Its standby current is stable within the range of Single 2.7V ~ 3.6V power supply operating temperature. All inputs and outputs TTL compatible Fully static operation The AS6C4008A is well designed for very low power Tri-state output system applications, and particularly well suited for Data retention voltage : 1.5V (MIN.) battery back-up nonvolatile memory application. Green package available Package : 32-pin 450 mil SOP The AS6C4008A operates from a single power 32-pin 8mm x 20mm TSOP-I supply of 2.7V ~ 3.6V and all inputs and outputs are 32-pin 8mm x 13.4mm STSOP fully TTL compatible 36-ball 6mm x 8mm TFBGA 32-pin 600 mil P-DIP 32-pin 400 mil TSOP-II PRODUCT FAMILY Power Dissipation Product Operating Vcc Range Speed Family Temperature Standby(ISB1,TYP.) Operating(Icc,TYP.) -40 ~ 85 AS6C4008A 2.7 ~ 3.6V 55ns 1A(SL) 30mA FUNCTIONAL BLOCK DIAGRAM PIN DESCRIPTION SYMBOL DESCRIPTION A0 - A18 Address Inputs Vcc Vss DQ0 DQ7 Data Inputs/Outputs CE Chip Enable Inputs 512Kx8 A0-A18 DECODER MEMORY ARRAY WE Write Enable Input OE Output Enable Input VCC Power Supply VSS Ground NC No Connection I/O DATA DQ0-DQ7 COLUMN I/O CIRCUIT CE CONTROL WE CIRCUIT OE PIN CONFIGURATION Alliance Memory, Inc. 551 Taylor Way, Suite 1, San Carlos, CA 94070 Phone: 650-610-6800 1