EDS1232CABB-75-E View Datasheet(PDF) - Elpida Memory, Inc

Part Name

Description

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EDS1232CABB-75-E

128M bits SDRAM

Elpida Memory, Inc 

PRELIMINARY DATA SHEET

128M bits SDRAM

EDS1232CABB, EDS1232CATA (4M words × 32 bits)

Description

The EDS1232CA is a 128M bits SDRAM organized as

1,048,576 words × 32 bits × 4 banks. All inputs and

outputs are synchronized with the positive edge of the

clock.

They are packaged in 90-ball FBGA, 86-pin plastic

TSOP (II).

Features

• 2.5V power supply

• Clock frequency: 133MHz (max.)

• Single pulsed /RAS

• ×32 organization

• 4 banks can operate simultaneously and

independently

• Burst read/write operation and burst read/single write

operation capability

• Programmable burst length (BL): 1, 2, 4, 8 and full

page

• 2 variations of burst sequence

 Sequential (BL = 1, 2, 4, 8)

 Interleave (BL = 1, 2, 4, 8)

• Programmable /CAS latency (CL): 2, 3

• Byte control by DQM

• Refresh cycles: 4096 refresh cycles/64ms

• 2 variations of refresh

 Auto refresh

 Self refresh

• FBGA package is lead free solder (Sn-Ag-Cu)

Document No. E0247E40 (Ver. 4.0)

Date Published July 2002 (K) Japan

URL: http://www.elpida.com

Elpida Memory, Inc. 2002

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