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HM628512BSERIES

更新时间： 2022-01-18 23:07:00

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HM628512BSERIES 数据手册

HM628512B Series

4 M SRAM (512-kword × 8-bit)

ADE-203-903D (Z)

Rev. 3.0

Aug. 24, 1999

Description

The Hitachi HM628512B is a 4-Mbit static RAM organized 512-kword × 8-bit. It realizes higher density,

higher performance and low power consumption by employing 0.35 µm Hi-CMOS process technology. The

device, packaged in a 525-mil SOP (foot print pitch width) or 400-mil TSOP TYPE II or 600-mil plastic DIP,

is available for high density mounting. The HM628512B is suitable for battery backup system.

Features

•

Single 5 V supply

Access time: 55/70 ns (max)

Power dissipation

Active: 50 mW/MHz (typ)

Standby: 10 µW (typ)

•

Completely static memory. No clock or timing strobe required

Equal access and cycle times

Common data input and output: Three state output

Directly TTL compatible: All inputs and outputs

Battery backup operation

12 3 4 5 6 7...18

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