74hct9046a NXP Semiconductors, 74hct9046a Datasheet - Page 4

• Manufacturer Part Number: 74hct9046a
• Description: Pll With Bandgap Controlled Vco
• Manufacturer: NXP Semiconductors

Philips Semiconductors
LOGIC AND FUNCTIONAL SYMBOLS AND
DIAGRAMS
2003 Oct 30
PLL with band gap controlled VCO
14
15
11
12
3
6
7
9
5
R2
R1
SIG_IN
COMP_IN
RB
R1
R2
VCO_IN
INH
C1A
C1B
R2
R1
Fig.2 Logic symbol.
12
11
INH
C1A
5
VCO
6
C1
PC1_OUT/
VCO_OUT
DEM_OUT
PCP_OUT
PC2_OUT
VCO
C1B
7
DEM_OUT
10
R s
MBD038
f out
VCO_OUT
4
9
VCO_IN
2
13
4
10
Fig.4 Block diagram.
COMP_IN
3
8
GND
f in
4
SIG_IN
14
COMPARATOR
COMPARATOR
9046A
PHASE
PHASE
1
2
1
GND
14
11
12
15
3
7
9
5
6
V CC
16
13
15
2
Fig.3 IEC logic symbol.
COMP_IN
SIG_IN
C1A
C1B
R1
R2
VCO_IN
INH
RB
PC1_OUT/
PCP_OUT
PC2_OUT
RB
R b
9046A
PLL
DEM_OUT
VCO_OUT
PC1_OUT/
PCP_OUT
PC2_OUT
R3
74HCT9046A
C2
R4
MBD039
Product specification
MBD040
13
10
4
2