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27C256
32K x 8 UV EPROM
Datasheet (PDF)
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27C256
DIP-28
1
VPP
2
A12
3
A7
4
A6
5
A5
6
A4
7
A3
8
A2
9
A1
10
A0
11
D0
12
D1
13
D2
14
GND
28
VCC
27
A14
26
A13
25
A8
24
A9
23
A11
22
~OE
21
A10
20
~CE
19
D7
18
D6
17
D5
16
D4
15
D3
vcc
gnd
in
out
io
Pin Reference
⌄
#
Label
Type
1
VPP
vcc
2
A12
in
3
A7
in
4
A6
in
5
A5
in
6
A4
in
7
A3
in
8
A2
in
9
A1
in
10
A0
in
11
D0
out
12
D1
out
13
D2
out
14
GND
gnd
15
D3
out
16
D4
out
17
D5
out
18
D6
out
19
D7
out
20
~CE
in
21
A10
in
22
~OE
in
23
A11
in
24
A9
in
25
A8
in
26
A13
in
27
A14
in
28
VCC
vcc