Datasheet > AS4DDR232M72APBGR-5

AS4DDR232M72APBGR-5

更新时间： 2024-11-12 00:59:35

品牌	Logo	应用领域
MICROSS		/
页数	文件大小	规格书
28页	1308K
描述
4-bit prefetch architecture

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中文翻译

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数据手册

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iPEM

2.4 Gb SDRAM-DDR2

AS4DDR232M72APBG

32Mx72 DDR2 SDRAM

iNTEGRATED Plastic Encapsulated Microcircuit

FEATURES

BENEFITS

ꢀDDR2 Data rate = 667, 533, 400

ꢀAvailable in Industrial, Enhanced and Military Temp

ꢀPackage:

ꢀꢀ SPACEꢀconsciousꢀPBGAꢀdeﬁnedꢀforꢀeasy

SMT manufacturability (50 mil ball pitch)

ꢀReduced part count

ꢀ ꢀ •ꢀ 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

ꢀFour internal banks for concurrent operation

ꢀꢀ(Per DDR2 SDRAM Die)

ꢀ47% I/O reduction vs Individual CSP approach

ꢀReduced trace lengths for lower parasitic

capacitance

ꢀSuitable for hi-reliability applications

ꢀUpgradable to 64M x 72 density

(consult factory for info on

AS4DDR264M72PBG)

ꢀProgrammable Burst lengths: 4 or 8

ꢀAuto Refresh and Self Refresh Modes

ꢀOn Die Termination (ODT)

Configuration Addressing

ꢀ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 72 w/ support for x80

ꢀWeight: AS4DDR232M72APBG ~ 3.5 grams typical

Parameter

32 Meg x 72

8 Meg x 16 x 4 Banks

8K (A0‐A12)

4 (BA0‐BA1)

1K (A0‐A9)

Configuration

Refresh Count

Row Address

Bank Address

Column Address

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

AS4DDR232M72APBG

Rev. 1.1 12/12

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

12 3 4 5 6 7...28

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与AS4DDR232M72APBGR-5相关器件

型号	品牌	获取价格	描述	数据表
AS4DDR232M72APBGR-5/ET	MICROSS	获取价格	DDR DRAM, 32MX72, 0.6ns, CMOS, PBGA255, 32 MM X 25 MM, 1.27 MM PITCH, ROHS COMPLIANT, PLAS
AS4DDR232M72APBGR-5/IT	MICROSS	获取价格	DDR DRAM, 32MX72, 0.6ns, CMOS, PBGA255, 32 MM X 25 MM, 1.27 MM PITCH, ROHS COMPLIANT, PLAS
AS4DDR232M72APBGR-5/XT	MICROSS	获取价格	DDR DRAM, 32MX72, 0.6ns, CMOS, PBGA255, 32 MM X 25 MM, 1.27 MM PITCH, ROHS COMPLIANT, PLAS
AS4DDR232M72PBG	AUSTIN	获取价格	32Mx72 DDR2 SDRAM iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR232M72PBG-3/ET	AUSTIN	获取价格	32Mx72 DDR2 SDRAM iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR232M72PBG-3/IT	AUSTIN	获取价格	32Mx72 DDR2 SDRAM iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR232M72PBG-3/XT	AUSTIN	获取价格	32Mx72 DDR2 SDRAM iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR232M72PBG-38/ET	AUSTIN	获取价格	32Mx72 DDR2 SDRAM iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR232M72PBG-38/IT	AUSTIN	获取价格	32Mx72 DDR2 SDRAM iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR232M72PBG-38/XT	AUSTIN	获取价格	32Mx72 DDR2 SDRAM iNTEGRATED Plastic Encapsulated Microcircuit

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