Datasheet > AS4DDR232M64PBG-38/ET

AS4DDR232M64PBG-38/ET

更新时间： 2024-11-29 20:20:31

品牌	Logo	应用领域
MICROSS		动态存储器双倍数据速率内存集成电路
页数	文件大小	规格书
28页	300K
描述
DDR DRAM, 32MX64, 0.5ns, CMOS, PBGA255, 25 X 32 MM, 1.27 MM PITCH, PLASTIC, BGA-255

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iPEM

2.1 Gb SDRAM-DDR2

AS4DDR232M64PBG

32Mx64 DDR2 SDRAM

iNTEGRATED Plastic Encapsulated Microcircuit

FEATURES

BENEFITS

ꢀ

DDR2 Data rate = 667, 533, 400

ꢀ

SPACE conscious PBGA deﬁned for easy

Available in Industrial, Enhanced and Military Temp

Package:

SMT manufacturability (50 mil ball pitch)

Reduced part count

47% I/O reduction vs Individual CSP approach

Reduced trace lengths for lower parasitic

capacitance

ꢀ

• 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

4-bit prefetch architecture

DLL for alignment of DQ and DQS transitions with

clock signal

ꢀ

Suitable for hi-reliability applications

Upgradable to 64M x 64 density

(consult factory for info on

AS4DDR264M64PBG)

ꢀ

Four internal banks for concurrent operation

(Per DDR2 SDRAM Die)

ConfigurationꢀAddressing

ꢀ

Programmable Burst lengths: 4 or 8

Auto Refresh and Self Refresh Modes

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, or 6

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

Write latency = Read latency - 1* tCK

Organized as 32M x 64

Parameter

32ꢀMegꢀxꢀ72

Configuration

RefreshꢀCount

RowꢀAddress

BankꢀAddress

ColumnꢀAddress

8ꢀMegꢀxꢀ16ꢀxꢀ4ꢀBanks

8Kꢀ(A0ͲA12)

4ꢀ(BA0ͲBA1)

1Kꢀ(A0ͲA9)

Weight: AS4DDR232M64PBG ~ 3.5 grams typical

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

FUNCTIONAL BLOCK DIAGRAM

Ax, BA0-2

ODT

VRef

VCC

VCCQ

VSS

VSSQ

VCCL

VSSDL

CS0\

CS1\

CS2\

CS3\

UDMx, LDMx

UDSQx,UDSQx\

LDSQx, LDSQx\

RASx\,CASx\,WEx\

CKx,CKx\,CKEx

DQ16-31

DQ0-15

DQ32-47

AS4DDR232M64PBG

Rev. 1.4 01/10

Micross Components reserves the right to change products or speciﬁcations without notice.

12 3 4 5 6 7...28

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与AS4DDR232M64PBG-38/ET相关器件

型号	品牌	获取价格	描述	数据表
AS4DDR232M64PBG-38/IT	AUSTIN	获取价格	32Mx64 DDR2 SDRAM iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR232M64PBG-38/IT	MICROSS	获取价格	DDR DRAM, 32MX64, 0.5ns, CMOS, PBGA255, 25 X 32 MM, 1.27 MM PITCH, PLASTIC, BGA-255
AS4DDR232M64PBG-38/XT	AUSTIN	获取价格	32Mx64 DDR2 SDRAM iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR232M64PBG-38/XT	MICROSS	获取价格	DDR DRAM, 32MX64, 0.5ns, CMOS, PBGA255, 25 X 32 MM, 1.27 MM PITCH, PLASTIC, BGA-255
AS4DDR232M64PBG-5	MICROSS	获取价格	iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR232M64PBG-5/ET	AUSTIN	获取价格	32Mx64 DDR2 SDRAM iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR232M64PBG-5/IT	AUSTIN	获取价格	32Mx64 DDR2 SDRAM iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR232M64PBG-5/IT	MICROSS	获取价格	DDR DRAM, 32MX64, 0.6ns, CMOS, PBGA255, 25 X 32 MM, 1.27 MM PITCH, PLASTIC, BGA-255
AS4DDR232M64PBG-5/XT	AUSTIN	获取价格	32Mx64 DDR2 SDRAM iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR232M64PBG-5/XT	MICROSS	获取价格	DDR DRAM, 32MX64, 0.6ns, CMOS, PBGA255, 25 X 32 MM, 1.27 MM PITCH, PLASTIC, BGA-255

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