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184PIN DDR400 Unbuffered DIMM

1024MB With 64Mx8 CL3

Transcend Information Inc.

Description

The JM388D643A-5L is a 128Mx64bits Double Data Rate

SDRAM high-density Module for DDR400. The

JM388D643A-5L consists of 16pcs CMOS 64Mx8 bits

Double Data Rate SDRAMs in 66 pin TSOP-II 400mil

packages and a 2048 bits serial EEPROM on a 184-pin

printed circuit board. The JM388D643A-5L is a Dual

In-Line Memory Module and is intended for mounting into

184-pin edge connector sockets.

Synchronous design allows precise cycle control with the

use of system clock. Data I/O transactions are possible

on both edges of DQS. Range of operation frequencies,

programmable latencies allow the same device to be

useful for a variety of high bandwidth, high performance

memory system applications.

Features

• RoHS compliant products.

• Power supply: VDD: 2.6V ± 0.1V, VDDQ: 2.6V ±0.1V

• Max clock Freq: 200MHZ.

• Double-data-rate architecture; two data transfers per

clock cycle

• Differential clock inputs (CK and /CK)

• Burst Mode Operation.

• Auto and Self Refresh.

• Data I/O transactions on both edge of data strobe.

• Edge aligned data output, center aligned data input.

• Serial Presence Detect (SPD) with serial EEPROM

• SSTL-2 compatible inputs and outputs.

• MRS cycle with address key programs.

CAS Latency (Access from column address): 3

Burst Length (2, 4, 8 )

Data Sequence (Sequential & Interleave)

Placement

PCB: 09-2430

1 2 3

Resumo do Conteúdo

Página 1

JJJMMM333888888DDD666444333AAA---555LLL 184PIN DDR400 Unbuffered DIMM1024MB With 64Mx8 CL3 Transcend Information Inc. 1Description The JM388D643A-5L i

Página 2 - CK2, /CK2

JJJMMM333888888DDD666444333AAA---555LLL 184PIN DDR400 Unbuffered DIMM1024MB With 64Mx8 CL3 Transcend Information Inc. 2Dimensions Side Millimeters

Página 3 - Pinouts:

JJJMMM333888888DDD666444333AAA---555LLL 184PIN DDR400 Unbuffered DIMM1024MB With 64Mx8 CL3 Transcend Information Inc. 3Pinouts: Pin No Pin Name Pin N

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