HM628512 Series

524288-word

× 8-bit High Speed CMOS Static RAM

ADE-203-236F (Z)

Rev. 6.0

Jun. 9, 1995

Description

The Hitachi HM628512 is a 4-Mbit static RAM organized 512-kword

× 8-bit. It realizes igher density, higher

performance and low power consumption by employing 0.5

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. LP-version is suitable for battery backup system.

Features

• High speed: Fast access time:

 55/65/70 ns (max)

• Low power

 Standby: 10 µW (typ) (L/L-SL version)

 Operation: 75 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 backup operation (L/L-SL version)