Harman Kardon AVR 460 Service Manual page 86

harman/kardon
SN74ALVCH16827
20-BIT BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCES041C – JULY 1995 – REVISED FEBRUARY 1999
†
logic symbol
† This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
2
FUNCTION TABLE
(each 10-bit section)
INPUTS
OE1 OE2
L L
L L
H X
X H
1
&
1OE1
56
1OE2
28
&
2OE1
29
2OE2
55
1A1 1
54
1A2
52
1A3
51
1A4
49
1A5
48
1A6
47
1A7
45
1A8
44
1A9
43
1A10
42
1
2A1
41
2A2
40
2A3
38
2A4
37
2A5
36
2A6
34
2A7
33
2A8
31
2A9
30
2A10
POST OFFICE BOX 655303
OUTPUT
Y
A
L L
H H
X Z
X Z
EN1
EN2
2
1 1Y1
3
1Y2
5
1Y3
6
1Y4
8
1Y5
9
1Y6
10
1Y7
12
1Y8
13
1Y9
14
1Y10
15
2
2Y1
16
2Y2
17
2Y3
19
2Y4
20
2Y5
21
2Y6
23
2Y7
24
2Y8
26
2Y9
27
2Y10
DALLAS, TEXAS 75265
AVR 460/230 Service Manual
Page 86 of 142