IS61C25616AL Integrated Silicon Solution, Inc., IS61C25616AL Datasheet - Page 2

• Manufacturer Part Number: IS61C25616AL
• Description: 256k X 16 High-speed Cmos Static Ram
• Manufacturer: Integrated Silicon Solution, Inc.

IS61C25616AL
IS64C25616AL
PIN CONFIGURATIONS
44-Pin SOJ
PIN DESCRIPTIONS
2
A0-A17
I/O0-I/O15
CE
OE
WE
GND
VDD
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
A15
A14
A13
A12
A11
A10
A16
WE
CE
A9
A8
A7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
Address Inputs
Data Inputs/Outputs
Chip Enable Input
Output Enable Input
Write Enable Input
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
IS61C25616AS
IS64C25616AS
A0
A1
A2
OE
UB
LB
I/O15
I/O14
I/O13
I/O12
GND
VDD
I/O11
I/O10
I/O9
I/O8
NC
A3
A4
A5
A6
A17
44-Pin TSOP (Type II)
GND
VDD
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
A15
A14
A13
A12
A11
A10
A16
WE
CE
A9
A8
A7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
LB
UB
NC
V
GND
DD
Integrated Silicon Solution, Inc. — www.issi.com
Lower-byte Control (I/O0-I/O7)
Upper-byte Control (I/O8-I/O15)
No Connection
Power
Ground
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
A0
A1
A2
OE
UB
LB
I/O15
I/O14
I/O13
I/O12
GND
VDD
I/O11
I/O10
I/O9
I/O8
NC
A3
A4
A5
A6
A17
03/21/2008
Rev. C