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AS4DDR264M64PBG1

Austin Semiconductor
Part Number AS4DDR264M64PBG1
Manufacturer Austin Semiconductor
Description 64Mx64 DDR2 SDRAM w/ SHARED CONTROL BUS iNTEGRATED Plastic Encapsulated Microcircuit
Published Sep 26, 2009
Detailed Description i PEM 4.2 G b SDRAM-DDR2 Gb Austin Semiconductor, Inc. AS4DDR264M64PBG1 64Mx64 DDR2 SDRAM w/ SHARED CONTROL BUS iNTEGRAT...
Datasheet PDF File AS4DDR264M64PBG1 PDF File

AS4DDR264M64PBG1
AS4DDR264M64PBG1

Overview
i PEM 4.
2 G b SDRAM-DDR2 Gb Austin Semiconductor, Inc.
AS4DDR264M64PBG1 64Mx64 DDR2 SDRAM w/ SHARED CONTROL BUS iNTEGRATED Plastic Encapsulated Microcircuit FEATURES „ „ „ DDR2 Data rate = 667, 533, 400 Available in Industrial, Enhanced and Extended Temp Package: • Proprietary Enchanced Die Stacked iPEM • 208 Plastic Ball Grid Array (PBGA), 16 x 23mm • 1.
00mm ball 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 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 common core power and I/O supply 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 64 Weight: AS4DDR264M64PBG1 ~ 2.
0 grams typical BENEFITS „ „ „ „ „ „ 58% Space Savings 49% I/O reduction vs Individual CSP approach Reduced part count Reduced trace lengths for lower parasitic capacitance Suitable for hi-reliability applications Upgradable to 128M x 64 density in future „ „ „ „ „ „ „ „ „ „ „ „ „ „ „ NOTE: Self Refresh Mode available on Industrial and Enhanced temp.
only www.
DataSheet4U.
com FUNCTIONAL Ax, BA0-2 BLOCK DIAGRAM ODT VRef VCC VCCQ VSS VSSQ VSSQ VCCL VSSDL VCCQ VSSQ VCCL A VSSDL B VCCQ VSSQ VCCL VSSDL C VCCQ VSSQ VCCL VSSDL D CS\ WE\ RAS\ CAS\ CKE\ 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ODT UDMx, LDMx UDSQx,UDSQx\ LDSQx, LDSQx\ CKx,CKx\ A DQ0-15 B DQ16-31 C DQ32-47 D DQ48-63 AS4DDR264M64PBG1 Rev.
0.
5 06/08 Austin Semiconductor, Inc.
● Austin, Texas ● 512.
339.
1188 ● www.
austinsemiconductor.
com 1 i PEM 4.
2 G b SDRAM-DDR2 Gb Austin Semiconductor, Inc.
AS4DDR264M64PBG1 SDRAM-DDRII Pinout Top View Rev.
A, 5/08, 208BGA-1.
00MM PITCH - X64 1 A B C D E F G H J K L Vcc Vss DQ35 DQ52 LD...


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