Datasheet > MC-45D32DA721

MC-45D32DA721

更新时间： 2024-11-05 11:48:11

品牌	Logo	应用领域
尔必达 - ELPIDA		双倍数据速率
页数	文件大小	规格书
16页	204K
描述
32 M-WORD BY 72-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE

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MC-45D32DA721 数据手册

PRELIMINARY DATA SHEET

MOS INTEGRATED CIRCUIT

MC-45D32DA721

32 M-WORD BY 72-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE

REGISTERED TYPE

Description

The MC-45D32DA721 is a 33,554,432 words by 72 bits DDR synchronous dynamic RAM module on which 18

pieces of 128M DDR SDRAM: µPD45D128442 are assembled.

These modules provide high density and large quantities of memory in a small space without utilizing the surface-

mounting technology on the printed circuit board.

Decoupling capacitors are mounted on power supply line for noise reduction.

Features

• 33,554,432 words by 72 bits organization (ECC type)

• Clock frequency

Part number

/CAS latency

Clock frequency

(MAX.)

Module type

MC-45D32DA721KF-C75

MC-45D32DA721KF-C80

MC-45D32DA721KFA-C75

MC-45D32DA721KFA-C80

CL = 2.5

CL = 2

133 MHz

100 MHz

125 MHz

100 MHz

133 MHz

100 MHz

125 MHz

100 MHz

DDR Registered DIMM

Design specification Rev. 0.6 compliant

CL = 2.5

CL = 2

CL = 2.5

CL = 2

DDR Registered DIMM

Design specification Rev. 0.9 compliant

CL = 2.5

CL = 2

• Fully Synchronous Dynamic RAM with all signals except DM, DQS and DQ referenced to a positive clock edge

• Double Data Rate interface

Differential CLK (/CLK) input

Data inputs and DM are synchronized with both edges of DQS

Data outputs and DQS are synchronized with a cross point of CLK and /CLK

• Quad internal banks operation

• Possible to assert random column address in every clock cycle

• Programmable Mode register set

/CAS latency (2, 2.5)

Burst length (2, 4, 8)

Wrap sequence (Sequential / Interleave)

• Automatic precharge and controlled precharge

• CBR (Auto) refresh and self refresh

The information in this document is subject to change without notice. Before using this document, please

confirm that this is the latest version.

Not all devices/types available in every country. Please check with local Elpida Memory, Inc. for

availability and additional information.

Document No. E0037N10 (1st edition)

(Previous No. M14825EJ2V0DS00)

Date Published January 2001 CP (K)

Printed in Japan

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

12 3 4 5 6 7...16

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与MC-45D32DA721相关器件

型号	品牌	获取价格	描述	数据表
MC-45D32DA721KFA-C75	ELPIDA	获取价格	32 M-WORD BY 72-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE
MC-45D32DA721KFA-C80	ELPIDA	获取价格	32 M-WORD BY 72-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE
MC-45D32DA721KF-C75	ELPIDA	获取价格	32 M-WORD BY 72-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE
MC-45D32DA721KF-C8	ELPIDA	获取价格	DDR DRAM Module, 32MX72, 0.8ns, CMOS, SOCKET TYPE, DIMM-184
MC-45D32DA721KF-C80	ELPIDA	获取价格	32 M-WORD BY 72-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE
MC-45D32DC721	ELPIDA	获取价格	32 M-WORD BY 72-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE
MC-45D32DC721KFA-C75	ELPIDA	获取价格	32 M-WORD BY 72-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE
MC-45D32DC721KFA-C80	ELPIDA	获取价格	32 M-WORD BY 72-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE
MC-45D32DC721KF-C75	ELPIDA	获取价格	32 M-WORD BY 72-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE
MC-45D32DC721KF-C80	ELPIDA	获取价格	32 M-WORD BY 72-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE

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