Datasheet > AS4DDR264M72PBG

AS4DDR264M72PBG

更新时间： 2024-11-11 06:37:51

品牌	Logo	应用领域
AUSTIN		动态存储器双倍数据速率
页数	文件大小	规格书
28页	257K
描述
64Mx72 DDR2 SDRAM iNTEGRATED Plastic Encapsulated Microcircuit

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AS4DDR264M72PBG 数据手册

iPEM

4.8 Gb SDRAM-DDR2

Austin Semiconductor, Inc.

AS4DDR264M72PBG

64Mx72 DDR2 SDRAM

iNTEGRATED Plastic Encapsulated Microcircuit

BENEFITS

FEATURES

DDR2 Data rate = 667, 533, 400

SPACE conscious PBGA defined for easy

SMT manufacturability (50 mil ball pitch)

Reduced part count

47% I/O reduction vs Individual CSP approach

Reduced trace lengths for lower parasitic

capacitance

Available in Industrial, Enhanced and Extended Temp

Package:

• 255 Plastic Ball Grid Array (PBGA), 25 x 32mm

• 1.27mm pitch

Differential data strobe (DQS, DQS#) per byte

Internal, pipelined, double data rate architecture

4n-bit prefetch architecture

DLL for alignment of DQ and DQS transitions with

clock signal

Suitable for hi-reliability applications

Upgradable to 128M x 72 density in future

Eightinternal banks for concurrent operation

(Per DDR2 SDRAM Die)

Programmable Burst lengths: 4 or 8

Auto Refresh and Self Refresh Modes (I/T Version)

On Die Termination (ODT)

Adjustable data – output drive strength

1.8V ±0.1V power supply and I/O (VCC/VCCQ)

Programmable CAS latency: 3, 4, 5, 6 or 7

Posted CAS additive latency: 0, 1, 2, 3, 4 or 5

Write latency = Read latency - 1* tCK

Organized as 64M x 72 w/ support for x80

Weight: AS4DDR264M72PBG ~ 3.5 grams typical

NOTE: Self Refresh Mode available on Industrial and Enhanced temp. only

FUNCTIONAL BLOCK DIAGRAM

Ax, BA0-1

ODT

VRef

VCC

VCCQ

VSS

VSSQ

VCCL

VSSDL

DQ64-79

CS0\

CS1\

CS2\

CS3\

CS4\

UDMx, LDMx

UDSQx,UDSQx\

LDSQx, LDSQx\

RASx\,CASx\,WEx\

CKx,CKx\,CKEx

DQ16-31

DQ0-15

DQ32-47

DQ48-63

Austin Semiconductor, Inc.

● Austin, Texas ● 512.339.1188 ● www.austinsemiconductor.com

AS4DDR264M72PBG

Rev. 1.5 11/07

12 3 4 5 6 7...28

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与AS4DDR264M72PBG相关器件

型号	品牌	获取价格	描述	数据表
AS4DDR264M72PBG1	AUSTIN	获取价格	64Mx72 DDR2 SDRAM w/ SHARED CONTROL BUS iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR264M72PBG1-3/ET	AUSTIN	获取价格	64Mx72 DDR2 SDRAM w/ SHARED CONTROL BUS iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR264M72PBG1-3/IT	AUSTIN	获取价格	64Mx72 DDR2 SDRAM w/ SHARED CONTROL BUS iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR264M72PBG1-3/XT	AUSTIN	获取价格	64Mx72 DDR2 SDRAM w/ SHARED CONTROL BUS iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR264M72PBG1-38/ET	AUSTIN	获取价格	64Mx72 DDR2 SDRAM w/ SHARED CONTROL BUS iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR264M72PBG1-38/IT	AUSTIN	获取价格	64Mx72 DDR2 SDRAM w/ SHARED CONTROL BUS iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR264M72PBG1-38/XT	AUSTIN	获取价格	64Mx72 DDR2 SDRAM w/ SHARED CONTROL BUS iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR264M72PBG1-5/ET	AUSTIN	获取价格	64Mx72 DDR2 SDRAM w/ SHARED CONTROL BUS iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR264M72PBG1-5/IT	AUSTIN	获取价格	64Mx72 DDR2 SDRAM w/ SHARED CONTROL BUS iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR264M72PBG1-5/XT	AUSTIN	获取价格	64Mx72 DDR2 SDRAM w/ SHARED CONTROL BUS iNTEGRATED Plastic Encapsulated Microcircuit

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