HM51W16400 Datasheet, PDF (1/33 Pages) Hitachi Semiconductor – 4,194,304-word x 4-bit Dynamic RAM

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)