JVC HX-Z9V - Page 42

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4.3 AT27C020-70JC6 (IC102) : OTP EPROM 2M bit
• Pin Layout • Pin function
• Block Diagram
A7
A6
A5
A4
A3
A2
A1
A0
O0
A14
A13
A8
A9
A11
OE
A10
CE
07
5
6
7
8
9
10
11
12
13
29
28
27
26
25
24
23
22
21
14 15 16 17 18 19 20
01 02
GND
03 04 05 06
A12 A15 A16 VPP VCC PGM A17
4 3 2 1
32 31 30
Pin No. Function
A0-A17 Addresses
O0-O7 Outputs
CE Chip Enable
OE Output Enable
PGM Program Strobe
OE,CE AND
PROGRAM LOGIC
VCC
GND
VPP
A0-A7
A
DDRESS
INPUTS
OE
CE
PGM
X DECODER
Y DECODER
OUTPUT
BUFFERS
Y-GATING
DATA OUTPUTS
O0-O7
CELL MATRIX
IDENTIFICATION