CD74HC4046A Datasheet, PDF (2/28 Pages) Texas Instruments – High-Speed CMOS Logic Phase-Locked Loop with VCO

CD54HC4046A, CD74HC4046A, CD54HCT4046A, CD74HCT4046A
Pinout
CD54HC4046A, CD54HCT4046A (CERDIP)
CD74HC4046A (PDIP, SOIC, SOP, TSSOP)
CD74HCT4046A (PDIP, SOIC)
TOP VIEW
PCP_OUT 1
PC1_OUT 2
COMP_IN 3
VCO_OUT 4
INH 5
C1_A 6
C1_B 7
GND 8
16 V_CC
15 PC3_OUT
14 SIG_IN
13 PC2_OUT
12 R₂
11 R₁
10 DEM_OUT
9 VCO_IN
Functional Diagram
3
COMP_IN
14
SIG_IN
6
C1_A
7
C1_B
11
R₁
12
R₂
9
VCO_IN
5
INH
2
PC1_OUT
15
φ
PC3_OUT
13
PC2_OUT
1
PCP_OUT
VCO
4
VCO_OUT
10
DEM_OUT
Pin Descriptions
PIN NUMBER
SYMBOL
1
PCP_OUT
2
PC1_OUT
3
COMP_IN
4
VCO_OUT
5
INH
6
C1_A
7
C1_B
8
GND
9
VCO_IN
10
DEM_OUT
11
R₁
12
R₂
13
PC2_OUT
14
SIG_IN
15
PC3_OUT
16
V_CC
NAME AND FUNCTION
Phase Comparator Pulse Output
Phase Comparator 1 Output
Comparator Input
VCO Output
Inhibit Input
Capacitor C1 Connection A
Capacitor C1 Connection B
Ground (0V)
VCO Input
Demodulator Output
Resistor R1 Connection
Resistor R2 Connection
Phase Comparator 2 Output
Signal Input
Phase Comparator 3 Output
Positive Supply Voltage
2