EBS26UC6APS データシートの表示（PDF） - Elpida Memory, Inc

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EBS26UC6APS

256MB SDRAM S.O.DIMM

Elpida Memory, Inc 

DATA SHEET

256MB SDRAM S.O.DIMM

EBS26UC6APS (32M words × 64 bits, 2 bank)

Description

The EBS26UC6APS is 32M words × 64 bits, 2 banks

Synchronous Dynamic RAM Small Outline Dual In-line

Memory Module (S.O.DIMM), mounted 8 pieces of

256M bits SDRAM (EDS2516APTA) 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: 31.75mm (1.25inch )

 Lead pitch: 0.80mm

• 3.3V power supply

• Clock frequency: 100MHz/133MHz (max.)

• LVTTL interface

• Data bus width: × 64 non-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. E0225E20 (Ver. 2.0)

Date Published December 2001 (K) Japan

URL: http://www.elpida.com

C Elpida Memory, Inc. 2001

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