LC72122V

• High-speed programmable frequency divider
- FMIN: 10 to 250 MHz ..Pulse swallower divide-by-two prescaler built in)
- AMIN: 2 to 40 MHz ......Pulse swallower 0.5 to 10 MHz ...Direct division
• IF counter
- IFIN: 0.4 to 12 MHz ......For use as an AM/FM IF counter
• Reference frequency
- Selectable from one of nine frequencies (crystal oscillator: 75 kHz) 1, 2.5, 3, 5, 3.125, 6.25, 12.5, 15, and 25 kHz
• Phase comparator
- Supports dead zone control
- Built-in unlock detection circuit
- Built-in deadlock clear circuit
- Sub-charge pump for fast frequency locking
• Built-in MOS transistor for forming an active low-pass filter
• I/O ports
- Dedicated output ports: 3
- I/O ports: 2
- Supports clock time base output