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10. IC DATA
■
MAIN PCB (E820-1 PCB)
1. ALVCH16244 (IC13, 17)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
1OE
1Y1
1Y2
GND
1Y3
1Y4
V
CC
2Y1
2Y2
GND
2Y3
2Y4
3Y1
3Y2
GND
3Y3
3Y4
V
CC
4Y1
4Y2
GND
4Y3
4Y4
4OE
2OE
1A1
1A2
GND
1A3
1A4
V
CC
2A1
2A2
GND
2A3
2A4
3A1
3A2
GND
3A3
3A4
V
CC
4A1
4A2
GND
4A3
4A4
3OE
1OE
1A1
1A2
1A3
1A4
1Y1
1Y2
1Y3
1Y4
1
47
46
44
43
2
3
5
6
2OE
2A1
2A2
2A3
2A4
2Y1
2Y2
2Y3
2Y4
48
41
40
38
37
8
9
11
12
3OE
3A1
3A2
3A3
3A4
3Y1
3Y2
3Y3
3Y4
25
36
35
33
32
13
14
16
17
4OE
4A1
4A2
4A3
4A4
4Y1
4Y2
4Y3
4Y4
24
30
29
27
26
19
20
22
23
logic diagram (positive logic)
terminal assignments
1
2
3
4
5
6
A
1OE
NC
NC
NC
NC
2OE
B
1Y2
1Y1
GND
GND
1A1
1A2
C
1Y4
1Y3
VCC
VCC
1A3
1A4
D
2Y2
2Y1
GND
GND
2A1
2A2
E
2Y4
2Y3
2A3
2A4
F
3Y1
3Y2
3A2
3A1
G
3Y3
3Y4
GND
GND
3A4
3A3
H
4Y1
4Y2
VCC
VCC
4A2
4A1
J
4Y3
4Y4
GND
GND
4A4
4A3
K
4OE
NC
NC
NC
NC
3OE
NC No internal connection
FUNCTION TABLE
(each 4-bit buffer)
INPUTS
OUTPUT
OE
A
OUTPUT
Y
L
H
H
L
L
L
H
X
Z
Summary of Contents for QT-6100
Page 1: ...SERVICE MANUAL ELECTRONIC CASH REGISTER without price QT 6100 EX 819 AUG 2008 QT 6100 ...
Page 67: ... 65 8 11 ETHERNET CONTROLLER IC28 LAN91C113 8 11 1 Pin Assignment 8 11 2 Block Diagram ...
Page 92: ... 90 11 PCB LAYOUT MAIN PCB E819 1 PCB TOP VIEW ...
Page 93: ... 91 MAIN PCB E819 1 PCB BOTTOM VIEW ...
Page 94: ... 92 INTERFACE PCB E819 S1 PCB TOP VIEW BOTTOM VIEW LED PCB E820 LED PCB TOP VIEW BOTTOM VIEW ...
Page 108: ... 106 Model Name Board No Drawing No CASIO COMPUTER CO LTD QT 6100 EX 819 E820 LED LED ...
Page 120: ... 118 EXPLODED VIEW QT 6060D 2 11 17 14 15 20 Sales Option 16 5 6 12 13 18 19 8 7 10 3 1 4 9 5 ...
Page 135: ... 133 18 DRAWER DL 3616 ...
Page 137: ... 135 19 DRAWER DL 3617 ...