PCMCIA SRAM Memory Card
SRA Series
Pinout
Pin Signal name I/O
Function
Ground
Data bit 3
Data bit 4
Data bit 5
Active
Pin Signal name I/O
Function
Ground
Active
LOW
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
GND
DQ3
DQ4
DQ5
DQ6
DQ7
CE1#
A10
OE#
A11
A9
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
GND
CD1#
DQ11
DQ12
DQ13
DQ14
DQ15
CE2#
VS1
N.C.
N.C.
A17
A18
A19
A20
A21
Vcc
Vpp2
A22
A23
A24
A25
VS2
N.C.
Wait#
N.C.
REG#
BVD2
BVD1
DQ8
DQ9
DQ10
CD2#
GND
I/O
I/O
I/O
I/O
I/O
I
I
I
I
I
I
I
I
O
I/O
I/O
I/O
I/O
I
Card Detect 1
Data bit 11
Data bit 12
Data bit 13
Data bit 14
Data bit 15
Card Enable 2
Voltage Sense 1
Data bit 6
Data bit 7
Card enable 1
Address bit 10
Output enable
Address bit 11
Address bit 9
Address bit 8
Address bit 13
Address bit 14
Write Enable
Ready/Busy
Supply Voltage
Prog. Voltage
Address bit 16
Address bit 15
Address bit 12
Address bit 7
Address bit 6
Address bit 5
Address bit 4
Address bit 3
Address bit 2
Address bit 1
Address bit 0
Data bit 0
LOW
LOW
I
O
LOW
N.C.
A8
I
I
I
I
I
Address bit 17 256KB(2)
Address bit 18 512KB(2)
A13
A14
WE#
Address bit 19
Address bit 20
Address bit 21
Supply Voltage
Prog. Voltage
1MB(2)
2MB(2)
4MB(2)
I
LOW
N.C.
16 RDY/BSY#
O
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
Vcc
Vpp1
A16
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
WP
GND
N.C.
N.C.
I
I
I
I
I
I
I
I
I
I
I
I/O
I/O
I/O
O
Address bit 22 8MB(2,4)
N.C.
N.C.
N.C.
O
O
Voltage Sense 2
N.C.
Extended Bus Cycle Low
I
O
O
I/O
I/O
O
Attrib Mem Select
Bat. Volt. Detect 2
Bat. Volt. Detect 1
Data bit 8
Low
(3)
Data bit 1
Data bit 2
Write Potect
Ground
Data bit 9
Data bit 10
Card Detect 2
Ground
HIGH
O
LOW
Notes:
1. CD1# and CD2# are grounded internal to PC Card.
2. Shows density for which specified address bit is MSB. Higher order address bits are
no connects (i.e., 1MB A19 is MSB, A20 - A21 are NC).
3. BVD1 is an open drain output with a 10K ohm internal pull-up resistor.
4. Address bit 22 is used for the 8MB cards as well as the 6MB Cards.
2
February 2002 Rev. 6
PC Card Products