CD4046B CMOS Micropower Phase-Locked Loop (PLL)
Micropower phase-locked loop consisting of a linear voltage-controlled oscillator (VCO) and two different phase comparators with common signal-input and comparator-input.
Aliase:CD4046, MC14046B, 74HC4046, CMOS PLL
DIP-16 Top View
16 Pins
Pinout Table16
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | PCP | Digital | Phase Comparator Pulse Output |
| 2 | PC1OUT | Digital | Phase Comparator 1 Output (XOR type) |
| 3 | COMPIN | Digital | Comparator Input (Feedback from VCO or divider) |
| 4 | VCOOUT | Digital | VCO Square Wave Output |
| 5 | ~INH | Digital | Inhibit Input (Low = VCO Enabled, High = VCO Off) |
| 6 | C1A | Analog | Timing Capacitor Terminal A |
| 7 | C1B | Analog | Timing Capacitor Terminal B |
| 8 | VSS | Ground | System Ground (0V) |
| 9 | VCOIN | Analog | VCO Control Voltage Input |
| 10 | DEMOD | Analog | Demodulator Output |
| 11 | R1 | Analog | Timing Resistor R1 Terminal |
| 12 | R2 | Analog | Frequency Offset Resistor R2 Terminal |
| 13 | PC2OUT | Digital | Phase Comparator 2 Output (Edge-controlled 3-state) |
| 14 | SIGIN | Analog | Signal Input (Reference clock/signal) |
| 15 | ZENER | Analog | Zener Diode Cathode (5.6V reference) |
| 16 | VDD | Power | Positive Supply Voltage (+3V to +18V) |