參數資料
型號: CYM74P550A
廠商: Cypress Semiconductor Corp.
英文描述: OPTi Viper Chip Set Level II Cache Module Family(OPTi Viper 芯片組電平II高速緩沖存儲器模塊系列)
中文描述: 奧普蒂蝰蛇芯片組二級緩存模塊系列(奧普蒂蝰蛇芯片組電平二高速緩沖存儲器模塊系列)
文件頁數: 4/8頁
文件大小: 197K
代理商: CYM74P550A
CYM74B550
CYM74P550A
CYM74S550, CYM74S551
PRELIMINARY
4
Top View
Pin Configuration
Dual Read-Out SIMM (DIMM)
10
11
12
13
9
5
6
7
8
4
1
2
3
GND
D
63
D
61
V
CC5
D
59
D
57
GND
D
62
D
NC (74B550) / V
CC3
(74P550A, 74S55X)
D
58
D
56
GND
D
52
D
50
D
NC (74B550) / V
CC3
(74P550A, 74S55X)
D
V
CC5
D
47
D
D
GND
D
53
D
51
D
49
91
92
93
90
85
86
87
81
82
84
20
21
22
23
15
16
17
19
14
D
46
D
GND
GND
D
34
D40
D
38
D
D
30
31
32
33
26
27
29
25
D
32
D
30
D
GND
D
26
D
NC (74B550) / V
CC3
(74P550A, 74S55X)
D
D
16
40
41
42
35
36
37
39
34
D
22
D
20
18
GND
D
NC (74B550) / V
CC3
(74P550A, 74S55X)
D
14
D
GND
D
4
52
53
54
55
47
48
49
51
46
43
44
45
D
8
D
D
NC (74B550) / V
(74P550A, 74S55X)
GND
CS
3
(74B550) / WE
3
(74P550A, 74S55X)
CS
(74B550) / WE
5
(74P550A, 74S55X)
NC (74B550) / V
(74P550A, 74S55X)
D
2
58
59
60
61
62
63
57
TAGWE
NC (74B550) / A
4
(74P550A, 74S55X)
A
6
10
A
12
A
NC (74B550) / V
CC3
(74P550A, 74S55X)
A
A
8
A
70
71
72
73
65
66
67
69
64
A
16
PD
3
NC (74B550) / V
CC3
(74P550A, 74S55X)
1
(74B550) / WE
1
(74P550A, 74S55X)
PD
1
80
75
76
77
79
74
CS
GND
D
43
D
41
D
39
D
GND
D
35
D
33
D
31
D
100
101
102
103
95
96
97
99
94
GND
D
27
D
25
V
CC5
GND
D
5
110
111
112
113
106
107
109
105
23
D
21
D
GND
D
17
D
15
D
GND
D
11
V
CC5
9
D
7
121
122
120
115
116
117
114
V
CC5
3
D
1
V
127
128
129
130
131
132
133
126
123
124
125
GND
A
7
A
11
A
13
GND
(74P550A,74S55X)A
3
/ (74B550) A
140
141
142
143
136
137
139
135
15
A
17
GND
A
9
PD
2
V
CC5
(74P550A, 74S55X)CLK / (74B550) NC
(74P550A, 74S55X)WE
0
/ (74B5ECDOE
0
151
152
153
150
145
146
147
144
GND
TAG
6
(74P550A, 74S55X)ADSC / (74B550) ECA
4
(74P550A,74S55X)SYNCS
0
/ (74B550) ECAWE
160
155
156
157
159
154
PD
0
TAG
4
TAG
2
V
0
DIRTYI
GND
(Reserved A
19
) NC
V
CC5
(74P550A, 74S55X)WE
2
/ (74B550) CS
2
(74P550A, 74S55X)WE
4
/ (74B550) CS
4
V
(74P550A, 74S55X)WE
/ (74B550) CS
6
DIRTYWE
5
OCA
(74B550) / ADV(74P550A, 74S55X)
OCAWE(74B550) / SYNCS
1
(74P550A, 74S55X)
CS
7
(74B550) / WE
7
(74P550A, 74S55X)
GND
NC (Reserved A
20
)
GND
DIRTYO
TAG
NC (74B550) / V
CC3
(74P550A, 74S55X)
TAG
3
TAG
5
GND
TAG
7
NC (74B550) / V
CC3
(74P550A, 74S55X)
74b550-4
相關PDF資料
PDF描述
CYM74B550 OPTi Viper Chip Set Level II Cache Module Family(OPTi Viper 芯片組電平II高速緩沖存儲器模塊系列)
CYM74S550 OPTi Viper Chip Set Level II Cache Module Family(OPTi Viper 芯片組電平II高速緩沖存儲器模塊系列)
CYM74S551 OPTi Viper Chip Set Level II Cache Module Family(OPTi Viper 芯片組電平II高速緩沖存儲器模塊系列)
CYM76S683 512K L2 Cache Module for Power PC Systems(應用于功率PC系統(tǒng)的512K L2高速緩沖存儲器模塊)
CYM76S684 1M L2 Cache Module for Power PC Systems(應用于功率PC系統(tǒng)的1M L2高速緩沖存儲器模塊)
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