JVC KD-SV3000 User Manual

(No.49837)1-27
SECTION 4
Description of major ICs
4.1 AT27C020-70JCU5 (IC102) : 2M-bit (256K x 8) OTP EPROM
• Pin Layout
• Block Diagram
• Pin function
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
O
0
A1
4
A1
3
A8
A9
A1
1
OE
A1
0
CE
O7
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
O1 O2
G
ND
O3 O4 O5 O6
A12 A15 A16 VP
P
VC
C
PG
M
A17
4 3 2 1
32 31 30
OE,CE AND
PROGRAM LOGIC
VCC
GND
VPP
A0 - A17
A
DDRESS
INPUTS
OE
CE
PGM
X DECODER
Y DECODER
OUTPUT
BUFFERS
Y-GATING
DATA OUTPUTS
O0 - O7
CELL MATRIX
IDENTIFICATION
Pin No. Symbol Function
1 VPP Power supply
2 A16 Address input
3 A15 Address input
4 A12 Address input
5 to 12 A7 to A0 Address inputs
13 to 15 O0 to O2 Outputs
16 O3 to O7 Outputs
17 to 21 GND Ground
22 CE Chip enable
23 A10 Address input
24 OE Output enable
25 A11 Address input
26 A9 Address input
27 A8 Address input
28 A13 Address input
29 A14 Address input
30 A17 Address input
31 PGM Program strobe
32 VCC Power supply

JVC KD-SV3000 Specifications

General

Brand	JVC
Model	KD-SV3000
Category	Car Receiver
Language	English