W24257S-70LL

SRAM Chip Async Single 5V 256Kbit 32K x 8 70ns 28Pin SOP

GENERAL DESCRIPTION

The W24257 is a slow speed, low power CMOS static RAM organized as 32768 ´8 bits that operates on a single 5-volt power supply. This device is manufactured using  Winbond"s high performance CMOS technology.

FEATURES

·  Low power consumption:

-  Active: 325 mW max.

-  Standby: 75 mW max. LL-version

                150 mW max. L-version

·  Access time: 70 nS max.

·  Single +5V power supply

·  Fully static operation

·  All inputs and outputs directly TTL compatible

·  Three-state outputs

·  Battery back-up operation capability

·  Data retention voltage: 2V min.

·  Packaged in 28-pin 330 mil SOP, standard type one TSOP 8 mm x 13.4 mm