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參數(shù)資料
| 型號(hào)： | MB98A51221 |
| 廠商： | Fujitsu Limited |
| 英文描述： | PCMCIA and JEIDA-Compliant 68-pin Two-piece Mask ROM card(PCMCIA和JEIDA兼容68引腳32M掩膜 ROM卡（2個(gè)）) |
| 中文描述： | 的PCMCIA和JEIDA兼容的68引腳雙片掩模ROM卡（PCMCIA和JEIDA兼容68引腳32M的掩膜ROM的卡（2個(gè)）） |
| 文件頁(yè)數(shù)： | 3/19頁(yè) |
| 文件大?。?/td> | 222K |
| 代理商： | MB98A51221 |
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MB98A51121
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51221/51321/51421/51521
-17
I
PIN ASSIGNMENTS
Pin Name
* :Those pins are internally connected; use care when
handling.
* :Whether a pin is an address pin or N.C. pin depends
on the type of the models. See
I
DIFFERENCE OF
PIN FUNCTIONS.
Symbol
A
0
to A
25
D
0
to D
15
CE
1
, CE
2
CD
1
, CD
2
*
VS
1
, VS
2
REG
OE
WE
BVD1, BVD2 *
WP *
V
CC
GND
N.C.
I/O
I
I/O
I
O
O
I
I
I
O
O
—
—
—
Pin Name
Address input
Data I/O
Card enable
Card detection
Voltage sense
Attribute memory space select
Output enable
Write enable
Battery voltage detection
Write protect
Supply voltage (+5 V)
Ground
No connection
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
35
37
39
41
43
45
47
49
51
53
55
57
59
61
63
65
67
(CONNECTOR SIDE)
(CRD-68P-M02)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
Symbol
GND
D
3
D
4
D
5
D
6
D
7
CE
1
A
10
OE
A
11
A
9
A
8
A
13
A
14
WE/N.C. *
N.C.
V
CC
N.C.
A
16
A
15
A
12
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
D
0
D
1
D
2
WP
GND
Pin No.
35
36
37
38
39
40
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
Symbol
GND
CD
1
D
11
D
12
D
13
D
14
D
15
CE
2
VS
1
*
N.C.
N.C.
A
17
A
18
A
19
*
A
20
*
A
21
/N.C. *
V
CC
N.C.
A
22
/N.C. *
A
23
/N.C. *
A
24
/N.C. *
A
25
/N.C. *
VS
2
*
N.C.
N.C.
N.C.
REG/N.C. *
BVD2
BVD1
D
8
D
9
D
10
CD
2
GND
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