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  NEC Electronic Components Datasheet  


MC-4516DA726

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



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MC-4516DA726 pdf
DATA SHEET
MOS INTEGRATED CIRCUIT
MC-4516DA726
16 M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE
REGISTERED TYPE
Description
The MC-4516DA726 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-4516DA726EFC-A80
CL = 3
125 MHz
CL = 2
100 MHz
MC-4516DA726EFC-A10
CL = 3
100 MHz
5 MC-4516DA726PFC-A80
CL = 2
CL = 3
77 MHz
125 MHz
CL = 2
100 MHz
5 MC-4516DA726PFC-A10
CL = 3
CL = 2
100 MHz
77 MHz
Access time from CLK
Module type
(MAX.)
6 ns PC100 Registered DIMM
6 ns Rev. 1.2 Compliant
6 ns
7 ns
6 ns
6 ns
6 ns
7 ns
Fully Synchronous Dynamic RAM, with all signals referenced All DQs have 10 Ω ±10 % of series resistor
to a positive clock edge
Single 3.3 V ± 0.3 V power supply
Pulsed interface
LVTTL compatible
Possible to assert random column address in every cycle 4,096 refresh cycles / 64 ms
Quad internal banks controlled by BA0 and BA1 (Bank Select) Burst termination by Burst Stop command and
Programmable burst-length (1, 2, 4, 8 and Full Page)
Precharge command
Programmable wrap sequence (Sequential / Interleave)
168-pin dual in-line memory module
Programmable /CAS latency (2, 3)
(Pin pitch = 1.27 mm)
Automatic precharge and controlled precharge
Registered type
CBR (Auto) refresh and self refresh
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 NEC representative for
availability and additional information.
Document No. M13203EJ7V0DS00 (7th edition)
Date Published February 2000 NS CP(K)
Printed in Japan
The mark 5 shows major revised points.
©
1998



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MC-4516DA726
Ordering Information
Part number
Clock frequency
(MAX.)
Package
Mounted devices
MC-4516DA726EFC-A80
MC-4516DA726EFC-A10
125 MHz
100 MHz
168-pin Dual In-line Memory Module 9 pieces of µPD45128841G5 (Rev. E)
(Socket Type)
(10.16 mm (400) TSOP (II))
5 MC-4516DA726PFC-A80
5 MC-4516DA726PFC-A10
125 MHz
100 MHz
Edge connector: Gold plated
38.1 mm height
9 pieces of µPD45128841G5 (Rev. P)
(10.16 mm (400) TSOP (II))
2 Data Sheet M13203EJ7V0DS00



Part Number MC-4516DA726
Description 16 M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE
Maker NEC - NEC
Total Page 16 Pages
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