HM51W16405 Datasheet, PDF (1/35 Pages) Elpida Memory – 16 M EDO DRAM (4-Mword ´ 4-bit) 4 k Refresh/2 k Refresh

HM51W16405 Series
HM51W17405 Series
16 M EDO DRAM (4-Mword × 4-bit)
4 k Refresh/2 k Refresh
E0152H10 (Ver. 1.0)
(Previous ADE-203-647D (Z))
Jul. 6, 2001 (K)
Description
The HM51W16405 Series, HM51W17405 Series are CMOS dynamic RAMs organized 4,194,304-word ×
4-bit. They employ the most advanced CMOS technology for high performance and low power. The
HM51W16405 Series, HM51W17405 Series offer Extended Data Out (EDO) Page Mode as a high speed
access mode.They have package variations of standard 300-mil 26-pin plastic SOJ and 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 /288 mW /252 mW (max) (HM51W16405 Series)
: 360mW/324 mW/288 mW (max) (HM51W17405 Series)
 Standby mode : 7.2 mW (max)
: 0.36 mW (max) (L-version)
• EDO page mode capability
• Long refresh period
 4096 refresh cycles : 64 ms (HM51W16405 Series)
: 128 ms (L-version)
 2048 refresh cycles : 32 ms (HM51W17405 Series)
: 128 ms (L-version)
• 4 variations of refresh
 RAS-only refresh
 CAS-before-RAS refresh
 Hidden refresh
 Self refresh (L-version)
Elpida Memory, Inc. is a joint venture DRAM company of NEC Corporation and Hitachi, Ltd.