HM5116400 Series

HM5117400 Series

4,194,304-word

4-bit Dynamic RAM

ADE-203-648C (Z)

Rev. 3.0

Feb. 27, 1997

Description

The Hitachi HM5116400 Series, HM5117400 Series are CMOS dynamic RAMs organized 4,194,304-word

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

The HM5116400 Series, HM5117400 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 5 V ( 10%)

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

• Power dissipation

Active mode : 495 mW/440 mW/385 mW (max) (HM5116400 Series)

: 550 mW/495 mW/440 mW (max) (HM5117400 Series)

Standby mode : 11 mW (max)

: 0.83 mW (max) (L-version)

• Fast page mode capability

• Long refresh period

4096 refresh cycles : 64 ms (HM5116400 Series)

: 128 ms (L-version)

2048 refresh cycles : 32 ms (HM5117400 Series)

: 128 ms (L-version)

• 3 variations of refresh

-only refresh

-before-

refresh

Hidden refresh

• Battery backup operation (L-version)

• Test function

16-bit parallel test mode