MT9HTF3272AY

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...