Datasheet > EBS25EC8APFA

EBS25EC8APFA

更新时间： 2024-02-24 08:49:04

品牌	Logo	应用领域
尔必达 - ELPIDA		动态存储器
页数	文件大小	规格书
14页	161K
描述
256MB Unbuffered SDRAM DIMM

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EBS25EC8APFA 数据手册

DATA SHEET

256MB Unbuffered SDRAM DIMM

EBS25EC8APFA (32M words × 72 bits, 1 bank)

Description

Features

The EBS25EC8APFA is 32M words × 72 bits, 1 bank

Synchronous Dynamic RAM Unbuffered Module,

mounted 9 pieces of 256M bits SDRAM 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.

• Fully compatible with 8 bytes DIMM: JEDEC

standard outline

• 168-pin socket type dual in line memory module

(DIMM)

PCB height: 34.93mm (1.38inch )

Lead pitch: 1.27mm

• 3.3V power supply

• Clock frequency: 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

• 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. E0209E20 (Ver. 2.0)

Date Published June 2002 (K) Japan

URL: http://www.elpida.com

Ellpida Memory, Inc. 2001-2002

12 3 4 5 6 7...14

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