IS61LV25616AL-10B Integrated Silicon Solution Inc, IS61LV25616AL-10B Datasheet - Page 2

• Manufacturer Part Number: IS61LV25616AL-10B
• Description: 256K x 16 HIGH SPEED ASYNCHRONOUS CMOS STATIC RAM WITH 3.3V SUPPLY
• Manufacturer: Integrated Silicon Solution Inc

PIN CONFIGURATIONS
44-Pin TSOP (Type II) and SOJ
2
TRUTH TABLE
IS61LV25616AL
GND
VDD
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
Mode
Not Selected
Output Disabled
Read
Write
WE
CE
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
WE
WE
WE
WE
WE
H
H
H
X
H
X
L
L
L
CE
CE
CE
CE
CE
H
L
L
L
L
L
L
L
L
OE
OE
OE
OE
OE
X
H
X
X
X
X
L
L
L
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
Integrated Silicon Solution, Inc. — www.issi.com —
LB
LB
LB
LB
LB
X
X
H
H
H
A17
A16
A15
OE
UB
LB
I/O15
I/O14
I/O13
I/O12
GND
VDD
I/O11
I/O10
I/O9
I/O8
NC
A14
A13
A12
A11
A10
L
L
L
L
UB
UB
UB
UB
UB
X
X
H
H
H
L
L
L
L
PIN DESCRIPTIONS
A0-A17
I/O0-I/O15
CE
OE
WE
LB
UB
NC
V
GND
DD
I/O0-I/O7
High-Z
High-Z
High-Z
High-Z
High-Z
D
D
D
D
OUT
OUT
IN
IN
I/O PIN
Address Inputs
Data Inputs/Outputs
Chip Enable Input
Output Enable Input
Write Enable Input
Lower-byte Control (I/O0-I/O7)
Upper-byte Control (I/O8-I/O15)
No Connection
Power
Ground
I/O8-I/O15
High-Z
High-Z
High-Z
High-Z
High-Z
D
D
D
D
OUT
OUT
IN
IN
V
ISSI
1-800-379-4774
DD
I
SB
Current
1
I
I
I
CC
CC
CC
, I
SB
2
02/21/03
Rev. A
®