®
IS61LV25616AL
ISSI
TRUTH TABLE
I/O PIN
Mode
WE
CE
OE
LB
UB
I/O0-I/O7
I/O8-I/O15
VDD Current
ISB1, ISB2
ICC
Not Selected
OutputDisabled
X
H
X
X
X
High-Z
High-Z
H
X
L
L
H
X
X
H
X
H
High-Z
High-Z
High-Z
High-Z
Read
Write
H
H
H
L
L
L
L
L
L
L
H
L
H
L
L
DOUT
High-Z
DOUT
High-Z
DOUT
DOUT
ICC
ICC
L
L
L
L
L
L
X
X
X
L
H
L
H
L
L
DIN
High-Z
DIN
High-Z
DIN
DIN
PIN CONFIGURATIONS
44-Pin TSOP (Type II) and SOJ
PIN DESCRIPTIONS
A0-A17
I/O0-I/O15
CE
Address Inputs
Data Inputs/Outputs
Chip Enable Input
Output Enable Input
Write Enable Input
A0
A1
1
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
A17
A16
A15
OE
UB
LB
OE
2
A2
3
WE
A3
4
A4
5
LB
Lower-byte Control (I/O0-I/O7)
Upper-byte Control (I/O8-I/O15)
NoConnection
CE
6
UB
I/O0
I/O1
I/O2
I/O3
VDD
GND
I/O4
I/O5
I/O6
I/O7
WE
A5
7
I/O15
I/O14
I/O13
I/O12
GND
VDD
I/O11
I/O10
I/O9
I/O8
NC
A14
A13
A12
A11
A10
8
NC
9
10
11
12
13
14
15
16
17
18
19
20
21
22
VDD
Power
GND
Ground
A6
A7
A8
A9
2
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
Rev. A
02/21/03
ISSI [ INTEGRATED SILICON SOLUTION, INC ]
