Datasheet

1997 Nov 25 6
Philips Semiconductors Product specification
Phase-locked-loop with VCO 74HC/HCT4046A
MGA847
PHASE
COMPARATOR
2
LOCK
DETECTOR
PC2
OUT
LD
13
1
identical to 4046A
C
LD
C
CLD
15
7046A
PHASE
COMPARATOR
2
PC2
OUT 13
PHASE
COMPARATOR
3
PC3
OUT 15
PHASE
COMPARATOR
1
PC1
OUT
2
PCP
OUT
1
SIG
IN
COMP
IN
V
CO OUT
C1
A
C1
B
DEM
OUTINH
VCO
IN
R
2
R
1
R2
12
11
314476
5109
(a)
(b)
C1
4046A
VCO
R
S
R1
R4
R3
C2
Fig.4 Functional diagram.
(a) (b)
Fig.5 Logic diagram.