Datasheet > HM5264805DTT-80

HM5264805DTT-80

更新时间： 2024-10-28 20:29:19

品牌	Logo	应用领域
日立 - HITACHI		时钟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
60页	583K
描述
Synchronous DRAM, 8MX8, 6ns, CMOS, PDSO54, 0.400 INCH, PLASTIC, TSOP2-54

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数据手册

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HM5264805DTT-80 数据手册

HM5264165D Series

HM5264805D Series

HM5264405D Series

64M LVTTL interface SDRAM

125 MHz

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

4-Mword × 4-bit × 4-bank

ADE-203-910A (Z)

Rev. 1.0

Dec. 2, 1998

Description

The Hitachi HM5264165D is a 64-Mbit SDRAM organized as 1048576-word × 16-bit × 4 bank. The

Hitachi HM5264805D is a 64-Mbit SDRAM organized as 2097152-word × 8-bit × 4 bank. The Hitachi

HM5264405D is a 64-Mbit SDRAM organized as 4194304-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: 125 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 (HM5264805D/HM5264405D)

: DQMU/DQML (HM5264165D)

Refresh cycles: 4096 refresh cycles/64 ms

2 variations of refresh

•

Auto refresh

Self refresh

12 3 4 5 6 7...60

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与HM5264805DTT-80相关器件

型号	品牌	获取价格	描述	数据表
HM5264805DTT-B60	ETC	获取价格	x8 SDRAM
HM5264805F	HITACHI	获取价格	64M LVTTL interface SDRAM 133 MHz/100 MHz
HM5264805F-75	ELPIDA	获取价格	64M LVTTL interface SDRAM 133 MHz/100 MHz 1-M
HM5264805F-75	HITACHI	获取价格	64M LVTTL interface SDRAM 133 MHz/100 MHz
HM5264805F-A60	ELPIDA	获取价格	64M LVTTL interface SDRAM 133 MHz/100 MHz 1-M
HM5264805F-A60	HITACHI	获取价格	64M LVTTL interface SDRAM 133 MHz/100 MHz
HM5264805F-B60	HITACHI	获取价格	64M LVTTL interface SDRAM 133 MHz/100 MHz
HM5264805F-B60	ELPIDA	获取价格	64M LVTTL interface SDRAM 133 MHz/100 MHz 1-M
HM5264805FLTT-75	ELPIDA	获取价格	64M LVTTL interface SDRAM 133 MHz/100 MHz 1-M
HM5264805FLTT-75	HITACHI	获取价格	64M LVTTL interface SDRAM 133 MHz/100 MHz