鈥?/div>
Three-state outputs
Battery back-up operation capability
Data retention voltage: 2V (min.)
Packaged in 600 mil DIP, 450 mil SOP,
standard type one, TSOP (8 mm
脳
20 mm) ,
small type one and TSOP (8 mm
脳
13.4 mm)
PIN CONFIGURATIONS
BLOCK DIAGRAM
PRECHARGE CKT.
A16
A14
NC
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O1
I/O2
I/O3
V
SS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
V
DD
A4
A15
CS2
WE
A13
A8
A9
A11
OE
A10
CS1
I/O8
I/O7
I/O6
I/O5
I/O4
WE
CS1
OE
A13
A1 A0
A10
A9
I/O1
:
A7
A6
A3
PIN DESCRIPTION
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
A11
A9
A8
A13
WE
CS2
A15
V
DD
NC
A16
A14
A12
A7
A6
A5
A4
1
I/O8
SYMBOL
A0鈭扐16
I/O1鈭捍/O8
CS1, CS2
WE
OE
V
DD
V
SS
NC
DESCRIPTION
Address Inputs
Data Inputs/Outputs
Chip Select Input
Write Enable Input
Output Enable Input
Power Supply
Ground
No Connection
32-pin
V
SS
-1-
Publication Release Date: October 1999
Revision A1