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參數(shù)資料
| 型號： | MC-4532CD646 |
| 廠商： | NEC Corp. |
| 英文描述： | 32M-Word By 64-BIT Dynamic RAM Module(動態(tài)RAM模塊) |
| 中文描述： | 32M的詞，64位動態(tài)RAM模塊（動態(tài)內存模塊） |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 144K |
| 代理商： | MC-4532CD646 |
1998
MOS INTEGRATED CIRCUIT
MC-4532CD646
32M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE
UNBUFFERED TYPE
PRELIMINARY DATA SHEET
Document No.
Date Published
Printed in Japan
M13681EJ1V0DS00 (1st edition)
July 1998 NS CP(K)
The information in this document is subject to change without notice.
Description
The MC-4532CD646 is a 33,554,432 words by 64 bits synchronous dynamic RAM module on which 16 pieces of
128M SDRAM:
μ
PD45128841 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 clock access time
Family
/CAS latency
Clock frequency
Clock access time
(MAX.)
(MAX.)
MC-4532CD646-A80
CL = 3
125 MHz
6
ns
CL = 2
100 MHz
6
ns
MC-4532CD646-A10
CL = 3
100 MHz
6
ns
CL = 2
77 MHz
7
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
±
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
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MC-4532CD646EF-A10 | 制造商:NEC 制造商全稱:NEC 功能描述:32M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
| MC-4532CD646EF-A80 | 制造商:NEC 制造商全稱:NEC 功能描述:32M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
| MC-4532CD646PF-A10 | 制造商:NEC 制造商全稱:NEC 功能描述:32M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
| MC-4532CD646PF-A80 | 制造商:NEC 制造商全稱:NEC 功能描述:32M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
| MC-4532CD646XF-A10 | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:32M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
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