HM62256BLFP-4SLT 查看數據表（PDF） - Hitachi -> Renesas Electronics

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HM62256BLFP-4SLT

32,768-word × 8-bit High Speed CMOS Static RAM

Hitachi -> Renesas Electronics 

HM62256B Series

32,768-word × 8-bit High Speed CMOS Static RAM

ADE-203-135D (Z)

Rev. 4.0

Nov. 29, 1995

Description

The Hitachi HM62256B is a CMOS static RAM organized 32-kword × 8-bit. It realizes higher

performance and low power consumption by employing 0.8 µm Hi-CMOS process technology. The

device, packaged in 8 × 14 mm TSOP, 8 × 13.4 mm TSOP with thickness of 1.2 mm, 450-mil SOP (foot

print pitch width), 600-mil plastic DIP, or 300-mil plastic DIP, is available for high density mounting. It

offers low power standby power dissipation; therefore, it is suitable for battery back-up systems.

Features

• High speed

Fast access time: 45/55/70/85 ns (max)

• Low power

Standby: 1.0 µW (typ)

Operation: 25 mW (typ) (f = 1 MHz)

• Single 5 V supply

• 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

• Capability of battery back up operation

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