512MB DDR2 SDRAM UDIMM
256MB, 512MB, 1GB (x64, SR) 240-Pin DDR2 SDRAM UDIMM Features
DDR2 SDRAM UDIMM
MT8HTF3264AY – 256MB MT8HTF6464AY – 512M...
Description
256MB, 512MB, 1GB (x64, SR) 240-Pin DDR2 SDRAM UDIMM Features
DDR2 SDRAM UDIMM
MT8HTF3264AY – 256MB MT8HTF6464AY – 512MB MT8HTF12864AY – 1GB
Features
240-pin, unbuffered dual in-line memory module Fast data transfer rates: PC2-3200, PC2-4200,
PC2-5300, PC2-6400, or PC2-8500
256MB (32 Meg x 64), 512MB (64 Meg x 64), or 1GB (128 Meg x 64
VDD = VDDQ = 1.8V VDDSPD = 1.7–3.6V JEDEC-standard 1.8V I/O (SSTL_18-compatible) Differential data strobe (DQS, DQS#) option 4n-bit prefetch architecture Multiple internal device banks for concurrent
operation
Programmable CAS latency (CL) Posted CAS additive latency (AL) WRITE latency = READ latency - 1 tCK Programmable burst lengths (BL): 4 or 8 Adjustable data-output drive strength 64ms, 8192-cycle refresh On-die termination (ODT) Serial presence detect (SPD) with EEPROM Gold edge contacts Single rank
Figure 1: 240-Pin UDIMM (MO-237 R/C A and D)
PCB height: 30.0mm (...
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