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參數(shù)資料
| 型號： | 8R512SEA0202C25 |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | SRAM |
| 英文描述： | 64K X 8 MULTI DEVICE SRAM CARD, 250 ns, UUC68 |
| 封裝： | CARD-68 |
| 文件頁數(shù)： | 5/11頁 |
| 文件大?。?/td> | 316K |
| 代理商： | 8R512SEA0202C25 |
3
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
SEA01-SEA04
February 2007
Rev. 4
PINOUT
Pin
Signal name
I/O
Function
Active
35
GND
Ground
36
CD1#
O
Card Detect 1
LOW
37
NC
I/O
Data bit 11
38
NC
I/O
Data bit 12
39
NC
I/O
Data bit 13
40
NC
I/O
Data bit 14
41
NC
I
Data bit 15
42
NC
I
Card Enable 2
LOW
43
VS1
O
Voltage Sense 1
N.C.
44
NC
45
NC
46
A17
I
Address bit 17
47
A18
I
Address bit 18
512KB(2)
48
NC
I
Address bit 19
49
NC
I
Address bit 20
50
NC
I
Address bit 21
51
Vcc
Supply Voltage
52
NC
.
53
NC
Address bit 22
54
NC
Address bit 23
55
NC
Address bit 24
56
NC
Address bit 25
57
VS2
O
Voltage Sense 2
N.C.
58
NC
59
Wait#
O
Extended Bus Cycle
Low
60
NC
61
REG#
I
Attrib Mem Select
Low
62
BVD2
O
Bat. Volt. Detect 2
63
BVD1
O
Bat. Volt. Detect 1
(3)
64
DQ8
I/O
Data bit 8
65
DQ9
I/O
Data bit 9
66
DQ10
O
Data bit 10
67
CD2#
O
Card Detect 2
LOW
68
GND
Ground
Pin
Signal name
I/O
Function
Active
1
GND
Ground
2
DQ3
I/O
Data bit 3
3
DQ4
I/O
Data bit 4
4
DQ5
I/O
Data bit 5
5
DQ6
I/O
Data bit 6
6
DQ7
I/O
Data bit 7
7
CE1#
I
Card enable 1
LOW
8
A10
I
Address bit 10
9
OE#
I
Output enable
LOW
10
A11
I
Address bit 11
11
A9
I
Address bit 9
12
A8
I
Address bit 8
13
A13
I
Address bit 13
14
A14
I
Address bit 14
15
WE#
I
Write Enable
LOW
16
NC
17
Vcc
Supply Voltage
18
NC
19
A16
I
Address bit 16
128KB(2)
20
A15
I
Address bit 15
21
A12
I
Address bit 12
22
A7
I
Address bit 7
23
A6
I
Address bit 6
24
A5
I
Address bit 5
25
A4
I
Address bit 4
26
A3
I
Address bit 3
27
A2
I
Address bit 2
28
A1
I
Address bit 1
29
A0
I
Address bit 0
30
DQ0
I/O
Data bit 0
31
DQ1
I/O
Data bit 1
32
DQ2
I/O
Data bit 2
33
WP
O
Write Potect
HIGH
34
GND
Ground
Notes:
1. CD1# and CD2# are grounded internal to PC Card.
2. Shows density for which specied address bit is MSB. Higher order address bits are
no connects (i.e., 512kB A18 is MSB, A19 - A21 are NC).
3. BVD1 is an open drain output with a 10K ohm internal pull-up resistor.
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