HM62W16256BLTT-7SL Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HM62W16256BLTT-7SL

4 M SRAM (256-kword × 16-bit)

Hitachi -> Renesas Electronics 

HM62W16256B Series

4 M SRAM (256-kword × 16-bit)

ADE-203-934C (Z)

Rev. 2.0

Oct. 14, 1999

Description

The Hitachi HM62W16256B Series is 4-Mbit static RAM organized 262,144-word × 16-bit. HM62W16256B

Series has realized higher density, higher performance and low power consumption by employing Hi-CMOS

process technology. It offers low power standby power dissipation; therefore, it is suitable for battery backup

systems. It is packaged in standard 44-pin plastic TSOPII.

Features

• Single 3.3 V supply: 3.3 V ± 0.3 V

• Fast access time: 55 ns/70 ns (max)

• Power dissipation:

 Active: 9.9 mW (typ)

 Standby: 3.3 µW (typ)

• Completely static memory.

 No clock or timing strobe required

• Equal access and cycle times

• Common data input and output.

 Three state output

• Battery backup operation.

 2 chip selection for battery backup

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