MT4LSDT864A

32MB, 64MB, 128MB (x64, SR) 168-Pin SDRAM UDIMM Features SDRAM Unbuffered DIMM (UDIMM) MT4LSDT464A – 32MB MT4LSDT864A(I) – 64MB MT4LSDT1664A(I) – 128MB For component data sheets, refer to Micron’s Web site: www.micron.com Features 168-pin, dual in-line memory module (DIMM) PC100- and PC133-compliant Unbuffered 32MB (4 Meg x 64)2, 64MB (8 Meg x 64), 128MB (16 Meg x 64) Single +3.3V power supply Fully synchronous; all signals registered on positive edge of system clock Internal pipelined operation; column address can be changed every clock cycle Internal SDRAM banks for hiding row access/ precharge Programmable burst lengths: 1, 2, 4, 8, or full page Auto precharge, includes CONCURRENT AUTO PRECHARGE and auto refresh modes Self refresh mode: 64ms, 4,096-cycle refresh for 32MB and 64MB; 64ms, 8,192-cycle refresh for 128MB LVTTL-compatible inputs and outputs Serial presence-detect (SPD) Gold edge contacts Figure 1: 168-Pin ...