MC-4532CD647XFA Ver la hoja de datos (PDF) - Elpida Memory, Inc

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MC-4532CD647XFA

32M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE

Elpida Memory, Inc 

DATA SHEET

MOS INTEGRATED CIRCUIT

MC-4532CD647XFA

32M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE

UNBUFFERED TYPE

Description

The MC-4532CD647XFA is 33,554,432 words by 64 bits synchronous dynamic RAM module on which 16 pieces of

128M SDRAM: µPD45128841 are assembled.

This module provides high density and large quantities of memory in a small space without utilizing the surface-

mounting technology on the printed circuit board.

Decoupling capacitors are mounted on power supply line for noise reduction.

Features

• 33,554,432 words by 64 bits organization

• Clock frequency and access time from CLK.

Part number

MC-4532CD647XFA-A75

/CAS latency

CL = 3

CL = 2

Clock frequency

(MAX.)

133 MHz

100 MHz

Access time from CLK

(MAX.)

5.4 ns

6.0 ns

• Fully Synchronous Dynamic RAM, with all signals referenced to a positive clock edge

• Pulsed interface

• Possible to assert random column address in every cycle

• Quad internal banks controlled by BA0 and BA1 (Bank Select)

• Programmable burst-length (1, 2, 4, 8 and full page)

• Programmable wrap sequence (Sequential / Interleave)

• Programmable /CAS latency (2, 3)

• Automatic precharge and controlled precharge

• CBR (Auto) refresh and self refresh

• All DQs have 10 Ω ±10 % of series resistor

• Single 3.3 V ± 0.3 V power supply

• LVTTL compatible

• 4,096 refresh cycles/64 ms

• Burst termination by Burst Stop command and Precharge command

• 168-pin dual in-line memory module (Pin pitch = 1.27 mm)

• Unbuffered type

• Serial PD

The information in this document is subject to change without notice. Before using this document, please

confirm that this is the latest version.

Not all devices/types available in every country. Please check with local Elpida Memory, Inc. for

availability and additional information.

Document No. E0230N20 (Ver 2.0)

Date Published June 2002 (K) Japan

URL: http://www.elpida.com

Elpida Memory, Inc. 2001-2002

Elpida Memory, Inc. is a joint venture DRAM company of NEC Corporation and Hitachi, Ltd.

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