512MB DDR2 SDRAM UDIMM
256MB, 512MB, 1GB (x72, SR, ECC) 240-Pin DDR2 UDIMM Features
DDR2 SDRAM UDIMM
MT9HTF3272AY – 256MB MT9HTF6472AY – 512MB...
Description
256MB, 512MB, 1GB (x72, SR, ECC) 240-Pin DDR2 UDIMM Features
DDR2 SDRAM UDIMM
MT9HTF3272AY – 256MB MT9HTF6472AY – 512MB MT9HTF12872AY – 1GB
Features
240-pin, unbuffered dual in-line memory module Fast data transfer rates: PC2-3200, PC2-4200,
PC2-5300, or PC2-6400
256MB (32 Meg x 72), 512MB (64 Meg x 72), or 1GB (128 Meg x 72)
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 Single rank 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
Figure 1: 240-Pin UDIMM (MO-237 R/C A/F)
Module height 30.0mm (1.18in)
Opti...
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