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HM5116400 Datasheet, PDF (1/33 Pages) Hitachi Semiconductor – 4,194,304 - WORD X 4-BIT DYNAMIC RAM | |||
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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
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