HM628512CI 데이터 시트보기 (PDF) - Renesas Electronics

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HM628512CI

Wide Temperature Range Version 4 M SRAM (512-kword x 8-bit)

Renesas Electronics 

HM628512CI Series

Wide Temperature Range Version

4 M SRAM (512-kword × 8-bit)

ADE-203-1211C (Z)

Rev. 3.0

Dec. 18, 2002

Description

The Hitachi HM628512CI is a 4-Mbit static RAM organized 512-kword × 8-bit. HM628512CI Series has

realized higher density, higher performance and low power consumption by employing CMOS process

technology (6-transistor memory cell). The HM628512CI Series offers low power standby power dissipation;

therefore, it is suitable for battery backup systems. It has packaged in 32-pin SOP, 32-pin TSOP II and 32-pin

DIP.

Features

• Single 5 V supply

• Access time: 55/70 ns (max)

• Power dissipation

 Active: 10 mW/MHz (typ)

 Standby: 4 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

• Operating temperature: –40 to +85˚C

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