器件名称: W3HG264M72EERXXXAD7MG
功能描述: 1GB - 2x64Mx72 DDR2 SDRAM REGISTERED, w/PLL, VLP Mini-DIMM
文件大小: 211.88KB 共14页
简 介:White Electronic Designs
W3HG264M72EER-AD7
ADVANCED*
1GB – 2x64Mx72 DDR2 SDRAM REGISTERED, w/PLL, VLP Mini-DIMM
FEATURES
244-pin, very low prole dual in-line memory module (VLP Mini-DIMM) Fast data transfer rates: PC2-3200, PC2-4200, PC2-5300*, and PC2-6400* Supports ECC error detection and correction VCC = VCCQ = 1.8V ±0.1V VCCSPD = 1.7V to 3.6V Differential data strobe (DQS, DQS#) option Four-bit prefetch architecture Programmable CAS# latency (CL) Posted CAS# additive latency (AL) On-die termination (ODT) Programmable burst lenghts: 4 or 8 Serial Presence Detect (SPD) with EEPROM Auto and Self Refresh Capability (64ms: 8,192 cycle refresh) Gold (Au) edge contacts RoHS compliant Dual Rank Package option 244 Pin Mini-DIMM PCB – 18.29mm (0.72")
DESCRIPTION
The W3HG264M72EER is a 2x64Mx72 Double Data Rate DDR2 SDRAM high density module. This memory module consists of eighteen 64Mx8 bit with 4 banks DDR2 Synchronous DRAMs in FBGA packages, mounted on a 244-pin DIMM FR4 substrate.
* This product is under development, is not qualied or characterized and is subject to change or cancellation without notice. NOTE: Consult factory for availability of: Vendor source control options Industrial temperature option Parity option
OPERATING FREQUENCIES
PC2-3200 Clock Speed CL-tRCD-tRP
* Contact factory for availability
PC2-4200 266MHz 4-4-4
PC2-5300* 333MHz 5-5-5
PC2-6400* 400MHz 6-6-6
200MHz 3-3-3
December 2005 Rev. 0
1
White Electronic Designs Corporation (602) 437-1520 ……
