HM5116400 Series,
HM5117400 Series
16 M FP DRAM (4-Mword × 4-bit)
4 k Refresh/2 k Refresh
ADE-203-648E (Z)
Rev. 5.0
Nov. 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 µm 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: 60 ns/70 ns (max)
• Power dissipation
Active mode
: 440 mW/385 mW (max) (HM5116400 Series)
: 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
RAS-only refresh
CAS-before-RAS refresh
Hidden refresh
• Battery backup operation (L-version)
• Test function
16-bit parallel test mode
