CAT28C256 CATALYST [Catalyst Semiconductor], CAT28C256 Datasheet - Page 2

• Manufacturer Part Number: CAT28C256
• Description: 32K-Bit Parallel E2PROM
• Manufacturer: CATALYST [Catalyst Semiconductor]

Doc. No. 25020-0A 2/98
PIN FUNCTIONS
Pin Name
A
I/O
CE
OE
0
–A
0
–I/O
14
7
V CC
A 14
A 12
A 11
A 13
WE
OE
A 7
A 6
A 5
A 4
A 3
A 9
A 8
Address Inputs
Data Inputs/Outputs
Chip Enable
Output Enable
Function
V SS
I/O 0
I/O 1
I/O 2
A 14
A 12
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A 7
A 6
A 5
A 4
A 3
A 2
A 1
A 0
DIP Package (P)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
TSOP Package (8mm X 13.4mm) (T13)
PIN CONFIGURATION
Pin Name
V CC
WE
A 13
A 8
A 9
A 11
OE
A 10
CE
I/O 7
I/O 6
I/O 5
I/O 4
I/O 3
WE
V
V
NC
CC
SS
I/O 0
NC
A 6
A 5
A 4
A 3
A 2
A 1
A 0
2
5
6
7
8
9
10
11
12
13
14 15 16 17 18 19 20
PLCC Package (N)
4 3 2 1 32 31 30
Write Enable
5V Supply
Ground
No Connect
Function
29
28
27
26
25
24
23
22
21
28
27
26
25
24
23
22
21
20
19
18
17
16
15
A 8
A 9
A 11
NC
OE
A 10
CE
I/O 7
I/O 6
28C256 F03
5096 FHD F01
CE
A 10
I/O 7
I/O 6
I/O 5
I/O 4
I/O 3
GND
I/O 2
A 0
A 1
A 2
I/O 1
I/O 0