512M LVTTL interface SDRAM 133 MHz/100 MHz 8-Mword 16-bit 4-bank/16-Mword 8-bit 4-bank /32-Mword 4-bit 4-bank PC/133/ PC/100 SDRAM
HM5259165B-75/A6 HM5259805B-75/A6 HM5259405B-75/A6
512M LVTTL interface SDRAM 133 MHz/100 MHz 8-Mword × 16-bit × 4-bank/...
Description
HM5259165B-75/A6 HM5259805B-75/A6 HM5259405B-75/A6
512M LVTTL interface SDRAM 133 MHz/100 MHz 8-Mword × 16-bit × 4-bank/16-Mword × 8-bit × 4-bank /32-Mword × 4-bit × 4-bank PC/133, PC/100 SDRAM
E0118H10 Ver. 1.0 Apr. 6, 2001 Description
The HM5259165B is a 512-Mbit SDRAM organized as 8388608-word × 16-bit × 4 bank. The HM5259805B is a 512-Mbit SDRAM organized as 16777216-word × 8-bit × 4 bank. The HM5259405B is a 512-Mbit SDRAM organized as 33554432-word × 4-bit × 4 bank. All inputs and outputs are referred to the rising edge of the clock input. It is packaged in standard 54-pin plastic TSOP II.
Features
3.3 V power supply Clock frequency: 133 MHz/100 MHz (max) LVTTL interface Single pulsed RAS 4 banks can operate simultaneously and independently Burst read/write operation and burst read/single write operation capability Programmable burst length: 1/2/4/8 2 variations of burst sequence Sequential (BL = 1/2/4/8) Interleave (BL = 1/2/4/8)
Elpida Memory, Inc. is a joint venture DRAM company of NEC Corporation and Hitachi, Ltd.
HM5259165B/HM5259805B/HM5259405B-75/A6
Programmable CAS latency: 2/3 Byte control by DQM : DQM (HM5259805B/HM5259405B) : DQMU/DQML (HM5259165B) Refresh cycles: 8192 refresh cycles/32 ms 2 variations of refresh Auto refresh Self refresh
Ordering Information
Type No. HM5259165BTD-75* HM5259165BTD-A6
1
Frequency 133 MHz 100 MHz 133 MHz 100 MHz 133 MHz 100 MHz
CAS latency 3 2/3 3 2/3 3 2/3
Package 400-mil 54-pin plastic ...
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