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  NEC Electronic Components Datasheet  


MC-4532DA727

32M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE



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MC-4532DA727 pdf
DATA SHEET
MOS INTEGRATED CIRCUIT
MC-4532DA727
32M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE
REGISTERED TYPE
Description
The MC-4532DA727 is an 33,554,432 words by 72 bits synchronous dynamic RAM module on which 18 pieces of
128M SDRAM: µPD45128441 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 72 bits organization (ECC type)
Clock frequency and access time from CLK.
Part number
MC-4532DA727EF-A75
5
5 MC-4532DA727PF-A75
/CAS latency
CL = 3
CL = 2
CL = 3
CL = 2
Clock frequency
(MAX.)
133 MHz
100 MHz
133 MHz
100 MHz
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)
5 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)
Registered type
Serial PD
Access time from CLK
(MAX.)
5.4 ns
6.0 ns
5.4 ns
6.0 ns
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 NEC representative for
availability and additional information.
Document No. M14210EJ3V0DS00 (3rd edition)
Date Published February 2000 NS CP(K)
Printed in Japan
The mark 5 shows major revised points.
©
1999



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MC-4532DA727
Ordering Information
Part number
Clock frequency
MHz (MAX.)
Package
Mounted devices
MC-4532DA727EF-A75
133 MHz
168-pin Dual In-line Memory Module 18 pieces of µPD45128441G5 (Rev. E)
(Socket Type)
(10.16mm (400) TSOP (II))
5 MC-4532DA727PF-A75
Edge connector: Gold plated
43.18 mm height
18 pieces of µPD45128441G5 (Rev. P)
(10.16mm (400) TSOP (II))
2 Data Sheet M14210EJ3V0DS00



Part Number MC-4532DA727
Description 32M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE
Maker NEC - NEC
Total Page 16 Pages
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MC-4532DA726 32 M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE MC-4532DA726
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MC-4532DA727 32M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE MC-4532DA727
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