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Description

The U62256A is a static RAM manufactured using a CMOS process technology with the following operating modes:

- Read - Standby

- Write - Data Retention

The memory array is based on a 6-transistor cell.

Features

? 32768x8 bit static CMOS RAM

? Access times 70 ns, 100 ns

? Common data inputs and

data outputs

? Three-state outputs

? Typ. operating supply current

70 ns: 50 mA

100 ns: 40 mA

? TTL/CMOS-compatible

? Automatical reduction of power

dissipation in long Read Cycles

? Power supply voltage 5 V + 10

? Operating temperature ranges

0 to 70 °C

-40 to 85 °C

-40 to 125 °C

? QS 9000 Quality Standard

? ESD protection > 2000 V

(MIL STD 883C M3015.7)

? Latch-up immunity >100 mA

? Packages: PDIP28 (600 mil)

SOP28 (330 mil)