GENERAL DESCRIPTION
The UT62256B(I) is a 262,144-bit low power CMOS static random access memory organized as 32,768 words by 8 bits. It is fabricated using high performance, high reliability CMOS technology with 6T cell. its standby current is stable within the range of operating temperature.
The UT62256B(I) is designed for high-speed and low power application. It is particularly well suited for battery back-up nonvolatile memory application.
The UT62256B(I) operates from a single 5V power supply and all inputs and outputs are fully TTL compatible

FEATURES
■ Access time : 35/70ns (max.)
■ Low power consumption:
   Operating : 45/30 mA (max.)
   Standby :
               1uA (typical) L-version
               0.5uA (typical) LL-version
■ Single 5V power supply
■ All inputs and outputs are TTL compatible
■ Fully static operation
■ Three state outputs
■ Data retention voltage : 2V (min.)
■ Package : 28-pin 600 mil PDIP
   28-pin 330 mil SOP
   28-pin 8x13.4mm STSOP
■ Temperature: Industrial: -40℃~85℃