Datasheet > HM5212805FTD-75A

HM5212805FTD-75A

更新时间： 2024-10-27 19:34:23

品牌	Logo	应用领域
日立 - HITACHI		动态存储器光电二极管内存集成电路
页数	文件大小	规格书
53页	2022K
描述
Synchronous DRAM, 16MX8, 5.4ns, CMOS, PDSO54, 0.400 INCH, PLASTIC, TSOP2-54

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HM5212805FTD-75A 数据手册

HM5212165F-75A

HM5212805F-75A

128M LVTTL interface SDRAM

133 MHz

2-Mword × 16-bit × 4-bank/4-Mword × 8-bit × 4-bank

PC/133 SDRAM

ADE-203-1049 (Z)

Preliminary

Rev. 0.0

May. 20, 1999

Description

The Hitachi HM5212165F is a 128-Mbit SDRAM organized as 2097152-word × 16-bit × 4-bank. The Hita-

chi HM5212805F is a 128-Mbit SDRAM organized as 4194304-word × 8-bit × 4-bank. All inputs and out-

puts 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 (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 (HM5212805F)

: DQMU/DQML (HM5212165F)

Refresh cycles: 4096 refresh cycles/64 ms

2 variations of refresh

•

— Auto refresh

— Self refresh

•

Full page burst length capability

— Sequential burst

— Burst stop capability

12 3 4 5 6 7...53

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与HM5212805FTD-75A相关器件

型号	品牌	获取价格	描述	数据表
HM5212805FTD-A60	HITACHI	获取价格	128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword X 16-bit X 4-bank/4-Mword X 8-bit X 4-b
HM5212805FTD-A60	ELPIDA	获取价格	128M LVTTL interface SDRAM 133 MHz/100 MHz 2-
HM5212805FTD-B60	ELPIDA	获取价格	128M LVTTL interface SDRAM 133 MHz/100 MHz 2-
HM5212805FTD-B60	HITACHI	获取价格	128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword X 16-bit X 4-bank/4-Mword X 8-bit X 4-b
HM5212805LTD-10	ETC	获取价格	x8 SDRAM
HM5212805TD-10	ETC	获取价格	x8 SDRAM
HM5216165	ELPIDA	获取价格	16M LVTTL INTERFACE SDRAM (512-kword x 16-bit x 2-bank)
HM5216165TT-10	ETC	获取价格	x16 SDRAM
HM5216165TT-10H	ELPIDA	获取价格	16M LVTTL INTERFACE SDRAM (512-kword x 16-bit x 2-bank)
HM5216165TT-12	ELPIDA	获取价格	16M LVTTL INTERFACE SDRAM (512-kword x 16-bit x 2-bank)