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4.3
AT27C020-70JC6 (IC102) : OTP EPROM 2M bit
• Pin Layout
A7
5
A6
6
A5
7
A4
8
A3
9
A2
10
A1
11
A0
12
O0
13
• Block Diagram
ADDRESS
1-42 (No.22041)
29
A14
28
A13
27
A8
26
A9
25
A11
24
OE
23
A10
22
CE
21
07
VCC
GND
VPP
OE
OE,CE AND
CE
PROGRAM LOGIC
PGM
Y DECODER
A0-A7
X DECODER
INPUTS
• Pin function
Pin No.
Function
A0-A17
Addresses
O0-O7
Outputs
CE
Chip Enable
OE
Output Enable
PGM
Program Strobe
DATA OUTPUTS
O0-O7
OUTPUT
BUFFERS
Y-GATING
CELL MATRIX
IDENTIFICATION
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