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HM5212165FLTD-75 Datasheet, PDF (1/62 Pages) Elpida Memory – 128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword × 16-bit × 4-bank/4-Mword × 8-bit × 4-bank PC/133, PC/100 SDRAM | |||
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HM5212165FLTD-75/A60/B60
HM5212805FLTD-75/A60/B60
128M LVTTL interface SDRAM
133 MHz/100 MHz
2-Mword à 16-bit à 4-bank/4-Mword à 8-bit à 4-bank
PC/133, PC/100 SDRAM
E0180H10 (Ver. 1.0)
Jul. 17, 2001
Description
The HM5212165FL is a 128-Mbit SDRAM organized as 2097152-word à 16-bit à 4-bank. The
HM5212805FL is a 128-Mbit SDRAM organized as 4194304-word à 8-bit à 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/full page
⢠2 variations of burst sequence
 Sequential (BL = 1/2/4/8/full page)
 Interleave (BL = 1/2/4/8)
⢠Programmable CAS latency: 2/3
⢠Byte control by DQM : DQM (HM5212805FL)
: DQMU/DQML (HM5212165FL)
⢠Refresh cycles: 4096 refresh cycles/64 ms
This product became EOL in June, 2005.
Elpida Memory, Inc. is a joint venture DRAM company of NEC Corporation and Hitachi, Ltd.
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