HM51W16400 Series

HM51W17400 Series

4,194,304-word

× 4-bit Dynamic RAM

ADE-203-649C (Z)

Rev. 3.0

Feb. 27, 1997

Description

The Hitachi HM51W16400 Series, HM51W17400 Series are CMOS dynamic RAMs organized 4,194,304-

word

× 4-bit. They employ the most advanced 0.5 µm CMOS technology for high performance and low

power. The HM51W16400 Series, HM51W17400 Series offer Fast Page Mode as a high speed access

mode. They have package variations of standard 300-mil 26-pin plastic SOJ and standard 300-mil 26-pin

plastic TSOP.

Features

•

Single 3.3 V (

±0.3 V)

•

Access time: 50 ns/60 ns/70 ns (max)

•

Power dissipation

 Active mode : 324 mW/288mW/252 mW (max) (HM51W16400 Series)

: 360 mW/324 mW/288 mW (max) (HM51W17400 Series)

 Standby mode : 7.2 mW (max)

: 0.36 mW (max) (L-version)

•

Fast page mode capability

•

Long refresh period

 4096 refresh cycles : 64 ms (HM51W16400 Series)

: 128 ms (L-version)

 2048 refresh cycles : 32 ms (HM51W17400 Series)

: 128 ms (L-version)