Datasheet

2
Pinout
CD74HC4046A, CD74HCT4046A
(PDIP, SOIC)
TOP VIEW
Functional Diagram
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
PCP
OUT
PC1
OUT
COMP
IN
VCO
OUT
INH
C1
A
GND
C1
B
V
CC
SIG
IN
PC2
OUT
R
2
R
1
DEM
OUT
VCO
IN
PC3
OUT
10
4
VCO
OUT
DEM
OUT
5
6
7
12
C1
A
R
1
VCO
IN
INH
9
11
C1
B
R
2
15
1
13
2
PC1
OUT
PC3
OUT
PC2
OUT
PCP
OUT
14
3
COMP
IN
SIG
IN
φ
VCO
Pin Descriptions
PIN NUMBER SYMBOL NAME AND FUNCTION
1 PCP
OUT
Phase Comparator Pulse Output
2 PC1
OUT
Phase Comparator 1 Output
3 COMP
IN
Comparator Input
4 VCO
OUT
VCO Output
5 INH Inhibit Input
6C1
A
Capacitor C1 Connection A
7C1
B
Capacitor C1 Connection B
8 GND Ground (0V)
9 VCO
IN
VCO Input
10 DEM
OUT
Demodulator Output
11 R
1
Resistor R1 Connection
12 R
2
Resistor R2 Connection
13 PC2
OUT
Phase Comparator 2 Output
14 SIG
IN
Signal Input
15 PC3
OUT
Phase Comparator 3 Output
16 V
CC
Positive Supply Voltage
CD74HC4046A, CD74HCT4046ACD74HC4046A, CD74HCT4046A