參數(shù)資料
型號: MC-428LFC72
廠商: NEC Corp.
英文描述: 3.3 V Operation 4M-Word By 64-Bit Dynamic RAM Module(工作電壓為3.3V的動(dòng)態(tài)RAM模塊)
中文描述: 3.3 V工作4分,64個(gè)字位動(dòng)態(tài)RAM模塊(工作電壓為3.3伏的動(dòng)態(tài)內(nèi)存模塊)
文件頁數(shù): 2/28頁
文件大小: 223K
代理商: MC-428LFC72
MC-428LFC72
2
Pin Configuration
168-pin Dual In-line Memory Module Socket Type (Edge connector: Gold plated)
[MC-428LFC72FH, 428LFC72FB]
/XXX indicates active low signal.
PD and ID Table
Pin
name
Pin
No.
Access time
50 ns
60 ns
PD1
79
H
H
PD2
163
L
L
PD3
80
H
H
PD4
164
H
H
PD5
81
H
H
PD6
165
L
H
PD7
82
L
H
PD8
166
L
L
ID0
83
GND
GND
ID1
167
GND
GND
Remark
H: V
OH
, L: V
OL
A0 - A11, B0
[ Row: A0 - A11, B0, Column: A0 - A10, B0 ]
I/O0 - I/O71
: Data Inputs/Outputs
/RAS0, /RAS2
: Row Address Strobe
/CAS0, /CAS4
: Column Address Strobe
/WE0, /WE2
: Write Enable
/OE0, /OE2
: Output Enable
/PDE
: Presence Detect Enable
PD1 - PD8
: Presence Detect Pins
ID0, ID1
: Identity Pins
V
CC
: Power Supply
GND
: Ground
NC
: No Connection
: Address Inputs
GND
I/O 36
I/O 37
I/O 38
I/O 39
V
CC
I/O 40
I/O 41
I/O 42
I/O 43
85
86
87
88
89
90
91
92
93
94
I/O 44
GND
I/O 45
I/O 46
I/O 47
I/O 48
I/O 49
V
CC
I/O 50
I/O 51
I/O 52
I/O 53
GND
NC
NC
V
CC
NC
NC
NC
NC
NC
GND
A1
A3
A5
A7
A9
A11
NC
V
CC
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
NC
B0
GND
NC
NC
NC
NC
/PDE
V
CC
NC
NC
I/O 54
I/O 55
GND
I/O 56
I/O 57
I/O 58
I/O 59
V
CC
I/O 60
NC
NC
NC
NC
I/O 61
I/O 62
I/O 63
GND
I/O 64
I/O 65
I/O 66
I/O 67
V
CC
I/O 68
I/O 69
I/O 70
I/O 71
GND
PD2
PD4
PD6
PD8
ID1
V
CC
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
GND
I/O 0
I/O 1
I/O 2
I/O 3
V
CC
I/O 4
I/O 5
I/O 6
I/O 7
1
2
3
4
5
6
7
8
9
10
I/O 8
GND
I/O 9
I/O 10
I/O 11
I/O 12
I/O 13
V
CC
I/O 14
I/O 15
I/O 16
I/O 17
GND
NC
NC
V
CC
/WE0
/CAS0
NC
/RAS0
/OE0
GND
A0
A2
A4
A6
A8
A10
NC
V
CC
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
NC
NC
GND
/OE2
/RAS2
/CAS4
NC
/WE2
V
CC
NC
NC
I/O 18
I/O 19
GND
I/O 20
I/O 21
I/O 22
I/O 23
V
CC
I/O 24
NC
NC
NC
NC
I/O 25
I/O 26
I/O 27
GND
I/O 28
I/O 29
I/O 30
I/O 31
V
CC
I/O 32
I/O 33
I/O 34
I/O 35
GND
PD1
PD3
PD5
PD7
ID0
V
CC
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
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