HM51W17805 Datasheet, PDF (1/32 Pages) Elpida Memory – 16 M EDO DRAM (2-Mword x 8-bit) 2 k Refresh

HM51W17805 Series
16 M EDO DRAM (2-Mword × 8-bit)
2 k Refresh
E0155H10 (Ver. 1.0)
(Previous ADE-203-631D (Z))
Jun. 27, 2001
Description
The HM51W17805 is a CMOS dynamic RAM organized 2,097,152-word × 8-bit. It employs the most
advanced CMOS technology for high performance and low power. The HM51W17805 offers Extended Data
Out (EDO) Page Mode as a high speed access mode. Multiplexed address input permits the HM51W17805 to
be packaged in standard 28-pin plastic SOJ and 28-pin TSOP.
Features
• Single 3.3 V (±0.3 V)
• Access time: 50 ns/60 ns/70 ns (max)
• Power dissipation
 Active mode: 396 mW/360 mW/324 mW (max)
 Standby mode : 7.2 mW (max)
: 0.54 mW (max) (L-version)
• EDO page mode capability
• Long refresh period
 2048 refresh cycles : 32 ms
: 128 ms (L-version)
• 4 variations of refresh
 RAS-only refresh
 CAS-before-RAS refresh
 Hidden refresh
 Self refresh (L-version)
• Battery backup operation (L-version)
Elpida Memory, Inc. is a joint venture DRAM company of NEC Corporation and Hitachi, Ltd.