Harman Kardon AVR 130, Service Manual

Page: 92 / 103

HCF4053B FUNCTION DIAGRAM & PIN DESCRIPTION
2/10
INPUT EQUIVALENT CIRCUIT PIN DESCRIPTION (IC44,45,51,80,89)
TRUTH TABLE
X : Don’t Care
FUNCTIONAL DIAGRAM (IC44,45,51,80,89)
PIN No SYMBOL NAME AND FUNCTION
11, 10, 9 A, B, C Binary Control Inputs
6 INH Inhibit Inputs
12, 13, 2, 1,
5, 3
IN/OUT
ax,ay,bx,by,cx,cy Input/
Output
14 OUT/IN ax or ay
15 OUT/IN bx or by
4 OUT/IN cx or cy
7
V
EE
Supply Voltage
8
V
SS
Negative Supply Voltage
16
V
DD
Positive Supply Voltage
INHIBIT C or B or A
0 0 ax or bx or cx
0 1 ay or by or cy
1 X NONE