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General Description

The A62S7308B is a low operating current 1048,576-bit static random access memory organized as 131,072 words by 8 bits and operates on a low power supply voltage from 2.7V to 3.6V.

Inputs and three-state outputs are TTL compatible and allow for direct interfacing with common system bus structures.

Two chip enable inputs are provided for power down and a device enable and an output enable input are included for easy interfacing.

Data retention is guaranteed at a power supply voltage as low as 2V.

Features

■ Power supply range: 2.7V to 3.6V

■ Access times: 55ns (max.): for VCC = 3.0V to 3.6V

70ns (max.): for VCC = 2.7V to 3.6V

■ Current:

A62S7308B-S series: Operating: 30mA (max.)

Standby: 5mA (max.)

A62S7308B-SI series: Operating: 30mA (max.)

Standby: 10mA (max.)

■ Extended operating temperature range: -25°C to 85°C for -SI series

■ Full static operation, no clock or refreshing required

■ All inputs and outputs are directly TTL compatible

■ Common I/O using three-state output

■ Output enable and two chip enable inputs for easy application

■ Data retention voltage: 2V (min.)

■ Available in 32-pin SOP, TSOP, sTSOP (8X 13.4mm) forward type and 36-ball Mini BGA (6X8) packages

■ Interfaces directly with 3.3V typ. logic chip