← All parts
CD4046 PLL
CD4046B
Texas Instrumentsic logic
The CD4046B is a CMOS phase-locked loop containing a low-power linear voltage-controlled oscillator and two phase comparators, used for frequency synthesis, FM demodulation, and clock recovery.
In stock
Specifications
2- Operating Temperature Range
- -55 to 125 C
- Package Types
- PDIP, CDIP, SOP, TSSOP
Pinout
16Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | PCP_OUT | GPIO | Phase comparator pulse output |
| 2 | PC1_OUT | GPIO | Phase comparator 1 output |
| 3 | COMP_IN | GPIO | Comparator input |
| 4 | VCO_OUT | GPIO | VCO output |
| 5 | INH | GPIO | Inhibit input (disables VCO and source follower) |
| 6 | C1A | GPIO | VCO timing capacitor terminal A |
| 7 | C1B | GPIO | VCO timing capacitor terminal B |
| 8 | VSS | POWERGND | Ground |
| 9 | VCO_IN | GPIO | VCO control voltage input |
| 10 | DEMOD_OUT | GPIO | Demodulator (source follower) output |
| 11 | R1 | GPIO | VCO timing resistor R1 terminal |
| 12 | R2 | GPIO | VCO timing resistor R2 terminal |
| 13 | PC2_OUT | GPIO | Phase comparator 2 output |
| 14 | SIGNAL_IN | GPIO | Signal input |
| 15 | ZENER | GPIO | Zener diode regulator terminal |
| 16 | VDD | POWER | Positive supply voltage |
Interactive pinout
Highlight:
CD4046B
Click a pin to copy its name · tap a tag above to spotlight a bus.