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  NEC Electronic Components Datasheet  


MC-4516DA727

16M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE


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MC-4516DA727 pdf
DATA SHEET
MOS INTEGRATED CIRCUIT
MC-4516DA727
16M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE
REGISTERED TYPE
Description
The MC-4516DA727 is a 16,777,216 words by 72 bits synchronous dynamic RAM module on which 9 pieces of
128M SDRAM: µPD45128841 are assembled.
These modules provide 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
16,777,216 words by 72 bits organization (ECC type)
Clock frequency and access time from CLK.
Part number
/CAS latency
Clock frequency
(MAX.)
MC-4516DA727EFA-A75
CL = 3
133 MHz
5
5 MC-4516DA727PFA-A75
CL = 2
CL = 3
100 MHz
133 MHz
CL = 2
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. M14082EJ4V0DS00 (4th edition)
Date Published February 2000 NS CP(K)
Printed in Japan
The mark 5 shows major revised points.
©
1999



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MC-4516DA727
Ordering Information
Part number
Clock frequency
MHz (MAX.)
Package
Mounted devices
MC-4516DA727EFA-A75
133 MHz
168-pin Dual In-line Memory Module 9 pieces of µPD45128841G5 (Rev. E)
(Socket Type)
(10.16mm (400) TSOP (II))
5 MC-4516DA727PFA-A75
Edge connector: Gold plated
38.1 mm height
9 pieces of µPD45128841G5 (Rev. P)
(10.16mm (400) TSOP (II))
2 Data Sheet M14082EJ4V0DS00



Part Number MC-4516DA727
Description 16M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE
Maker NEC - NEC
Total Page 16 Pages
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