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  NEC Electronic Components Datasheet  

MC-4516DA726 Datasheet

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



  NEC Electronic Components Datasheet  

MC-4516DA726 Datasheet

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

No Preview Available !

MC-4516DA726 pdf
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



  NEC Electronic Components Datasheet  

MC-4516DA726 Datasheet

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

No Preview Available !

MC-4516DA726 pdf
MC-4516DA726
Pin Configuration
168-pin Dual In-line Memory Module Socket Type (Edge connector: Gold plated)
85 VSS
86 DQ32
87 DQ33
88 DQ34
89 DQ35
90 Vcc
91 DQ36
92 DQ37
93 DQ38
94 DQ39
VSS
DQ0
DQ1
DQ2
DQ3
Vcc
DQ4
DQ5
DQ6
DQ7
1
2
3
4
5
6
7
8
9
10
95 DQ40
DQ8
11
96 VSS
VSS 12
97 DQ41
DQ9
13
98 DQ42
DQ10
14
99 DQ43
DQ11
15
100 DQ44
DQ12
16
101 DQ45
DQ13
17
102 Vcc
Vcc 18
103 DQ46
DQ14
19
104 DQ47
DQ15
20
105 CB4
CB0 21
106 CB5
CB1 22
107 VSS
VSS 23
108 NC
NC 24
109 NC
NC 25
110 Vcc
Vcc 26
111 /CAS
/WE 27
112
DQMB4
DQMB0
28
113
DQMB5
DQMB1
29
114 NC
/CS0
30
115 /RAS
NC 31
116 VSS
VSS 32
117 A1
A0 33
118 A3
A2 34
119 A5
A4 35
120 A7
A6 36
121 A9
A8 37
122
BA0 (A13)
A10
38
123 A11 BA1(A12) 39
124 Vcc
Vcc 40
125 CLK1
Vcc 41
126 NC
CLK0
42
127 VSS
VSS 43
128 CKE0
NC 44
129 NC
/CS2
45
130
DQMB6
DQMB2
46
131
DQMB7
DQMB3
47
132 NC
NC 48
133 Vcc
Vcc 49
134 NC
NC 50
135 NC
NC 51
136 CB6
CB2 52
137 CB7
CB3 53
138 VSS
VSS 54
139 DQ48
DQ16
55
140 DQ49
DQ17
56
141 DQ50
DQ18
57
142 DQ51
DQ19
58
143 Vcc
Vcc 59
144 DQ52
DQ20
60
145 NC
NC 61
146 NC
NC 62
147 REGE
NC 63
148 VSS
VSS 64
149 DQ53
DQ21
65
150 DQ54
DQ22
66
151 DQ55
DQ23
67
152 VSS
VSS 68
153 DQ56
DQ24
69
154 DQ57
DQ25
70
155 DQ58
DQ26
71
156 DQ59
DQ27
72
157 Vcc
Vcc 73
158 DQ60
DQ28
74
159 DQ61
DQ29
75
160 DQ62
DQ30
76
161 DQ63
DQ31
77
162 VSS
VSS 78
163 CLK3
CLK2
79
164 NC
NC 80
165 SA0
WP 81
166 SA1
SDA
82
167 SA2
SCL 83
168 Vcc
Vcc 84
/xxx indicates active low signal.
A0 - A11
: Address Inputs
[Row: A0 - A11, Column: A0 - A9]
BA0 (A13), BA1 (A12) : SDRAM Bank Select
DQ0 - DQ63, CB0 - CB7 : Data Inputs/Outputs
CLK0 - CLK3
: Clock Input
CKE0
: Clock Enable Input
WP : Write Protect
/CS0, /CS2
: Chip Select Input
/RAS
: Row Address Strobe
/CAS
: Column Address Strobe
/WE : Write Enable
DQMB0 - DQMB7
: DQ Mask Enable
SA0 - SA2
: Address Input for EEPROM
SDA
: Serial Data I/O for PD
SCL : Clock Input for PD
VCC : Power Supply
VSS : Ground
REGE
: Register / Buffer Enable
NC : No Connection
Data Sheet M13203EJ7V0DS00
3




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