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零件编号
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CAT28C256GI-12T 查看數據表(PDF) - ON Semiconductor
零件编号
产品描述 (功能)
生产厂家
CAT28C256GI-12T
256 kb Parallel EEPROM
ON Semiconductor
CAT28C256GI-12T Datasheet PDF : 14 Pages
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CAT28C256
DIP Package (P, L)
PIN CONFIGURATION
PLCC Package (N, G)
TSOP Package (8 mm X 13.4 mm) (T13, H13)
A
14
A
12
A
7
1 28
2 27
3 26
A
6
4 25
A
5
A
4
A
3
5
6
7
24
23
22
A
2
8 21
A
1
9 20
A
0
10 19
I/O
0
11 18
I/O
1
12 17
V
CC
WE
A
13
A
8
A
9
A
11
OE
A
10
CE
I/O
7
I/O
6
I/O
5
4 3 2 1 32 31 30
A
6
A
5
5
6
29
28
A
4
7
27
A
3
8
26
A
2
9
25
A
1
10
24
A
0
11
23
NC
12
22
I/O
0
13
21
14 1516 171819 20
A
8
A
9
A
11
NC
OE
A
10
CE
I/O
7
I/O
6
OE
AA
119
AA
138
WE
V
CC
A
14
A
12
A
7
A
6
A
5
A
4
A
3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
I/O
2
13 16 I/O
4
V
SS
14 15 I/O
3
(Top Views)
28
A
10
27
CE
26
I/O
7
25
I/O
6
24
23
22
21
I/O
5
I/O
4
I/O
3
GND
20
I/O
2
19
I/O
1
18
17
16
15
I/O
0
A
0
A
1
A
2
A
6
−
A
14
V
CC
CE
OE
WE
A
0
−
A
5
ADDR. BUFFER
& LATCHES
INADVERTENT
WRITE
PROTECTION
CONTROL
LOGIC
TIMER
ADDR. BUFFER
& LATCHES
ROW
DECODER
HIGH VOLTAGE
GENERATOR
DATA POLLING
AND
TOGGLE BIT
COLUMN
DECODER
Figure 1. Block Diagram
32,768 x 8
EEPROM
ARRAY
64 BYTE PAGE
REGISTER
I/O BUFFERS
I/O
0
−
I/O
7
http://onsemi.com
2
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