EBS25EC8APSA

DATA SHEET 256MB SDRAM S.O.DIMM EBS25EC8APSA (32M words × 72 bits, 1 bank) Description The EBS25EC8APSA is 32M words × 72 bits, 1 bank Synchronous Dynamic RAM Small Outline Dual In-line Memory Module (S.O.DIMM), mounted 9 pieces of 256M bits SDRAM (EDS2508APTA) sealed in TSOP package. This module provides high density and large quantities of memory in a small space without utilizing the surface mounting technology. Decoupling capacitors are mounted on power supply line for noise reduction. Features Fully compatible with 8 bytes S.O.DIMM: JEDEC standard outline 144-pin socket type small outline dual in line memory module (S.O.DIMM)  PCB height: 38.10mm (1.5inch )  Lead pitch: 0.80mm 3.3V power supply Clock frequency: 100MHz 133MHz (max.) LVTTL interface Data bus width: × 72 ECC Single pulsed /RAS 4 Banks can operates simultaneously and independently Burst read/write operation and burst read/single write operation capability Programmable burst length (BL): 1, 2, 4, 8, Full page 2 variations of burst sequence  Sequential  Interleave Programmable /CAS latency (CL): 2, 3 Byte control by DQMB Refresh cycles: 8192 refresh cycles/64ms 2 variations of refresh  Auto refresh  Self refresh Document No. E0227E20 (Ver. 2.0) Date Published November 2001 (K) Japan URL: http://www.elpida.com C Elpida Memory, Inc. 2001 EBS25EC8APSA Ordering Information Part number EBS25EC8APSA-7A EBS25EC8APSA-75 * EBS25EC8APSA-80 EBS25EC8APSA-7AL EBS25EC8APSA-75L* EBS25...