Datasheet > HM5225405B-B6

HM5225405B-B6

更新时间： 2024-10-26 22:35:27

品牌	Logo	应用领域
尔必达 - ELPIDA		动态存储器 PC
页数	文件大小	规格书
63页	454K
描述
256M LVTTL interface SDRAM 133 MHz/100 MHz 4-Mword 】 16-bit 】 4-bank/8-Mword 】 8-bit 】 4-bank /16-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM

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HM5225405B-B6 数据手册

HM5225165B-75/A6/B6

HM5225805B-75/A6/B6

HM5225405B-75/A6/B6

256M LVTTL interface SDRAM

133 MHz/100 MHz

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

/16-Mword × 4-bit × 4-bank

PC/133, PC/100 SDRAM

E0082H10 (1st edition)

(Previous ADE-203-1073B (Z))

Jan. 31, 2001

Description

The HM5225165B is a 256-Mbit SDRAM organized as 4194304-word × 16-bit × 4 bank. The HM5225805B

is a 256-Mbit SDRAM organized as 8388608-word × 8-bit × 4 bank. The HM5225405B is a 256-Mbit

SDRAM organized as 16777216-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)

•

Programmable CAS latency: 2/3

Elpida Memory, Inc. is a joint venture DRAM company of NEC Corporation and Hitachi, Ltd.

12 3 4 5 6 7...63

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型号	品牌	获取价格	描述	数据表
HM5225405BLTT-75	ELPIDA	获取价格	256M LVTTL interface SDRAM 133 MHz/100 MHz 4-
HM5225405BLTT-75	HITACHI	获取价格	Synchronous DRAM, 64MX4, 5.4ns, CMOS, PDSO54, 0.400 INCH, PLASTIC, TSOP2-54
HM5225405BLTT-A6	ELPIDA	获取价格	256M LVTTL interface SDRAM 133 MHz/100 MHz 4-
HM5225405BLTT-A6	HITACHI	获取价格	Synchronous DRAM, 64MX4, 6ns, CMOS, PDSO54, 0.400 INCH, PLASTIC, TSOP2-54
HM5225405BLTT-B6	ELPIDA	获取价格	256M LVTTL interface SDRAM 133 MHz/100 MHz 4-
HM5225405BLTT-B6	HITACHI	获取价格	Synchronous DRAM, 64MX4, 6ns, CMOS, PDSO54, 0.400 INCH, PLASTIC, TSOP2-54
HM5225405BTT-75	ELPIDA	获取价格	256M LVTTL interface SDRAM 133 MHz/100 MHz 4-
HM5225405BTT-75	HITACHI	获取价格	Synchronous DRAM, 64MX4, 5.4ns, CMOS, PDSO54, 0.400 INCH, PLASTIC, TSOP2-54
HM5225405BTT-A6	HITACHI	获取价格	Synchronous DRAM, 64MX4, 6ns, CMOS, PDSO54, 0.400 INCH, PLASTIC, TSOP2-54
HM5225405BTT-A6	ELPIDA	获取价格	256M LVTTL interface SDRAM 133 MHz/100 MHz 4-