Overview
The LC72133M and LC72133V are a phase-locked loop frequency synthesizer LSI circuits for use in radio tuners. It supports low-voltage (2.7 to 3.6 V) operation and can implement high-performance AM/FM tuners easily.

Functions
• High speed programmable dividers
   — FMIN: 10 to 120 MHz ..........pulse swallower
   (built-in divide-by-two prescaler), VDD ≥ 2.7 V
   10 to 130 MHz ..........pulse swallower
   (built-in divide-by-two prescaler), VDD ≥ 3.0 V
   — AMIN: 2 to 40 MHz ..............pulse swallower
   0.5 to 10 MHz ...........direct division
• IF counter
   — IFIN: 0.4 to 12 MHz ...........AM/FM IF counter
• Reference frequencies
   — Twelve selectable frequencies
   (4.5 or 7.2 MHz crystal)
   1, 3, 5, 9, 10, 3.125, 6.25, 12.5, 15, 25, 50 and 100 kHz
• Phase comparator
   — Dead zone control
   — Unlock detection circuit
   — Deadlock clear circuit
• Built-in MOS transistor for forming an active low-pass
   filter
• I/O ports
   — Dedicated output ports: 4
   — Input or output ports: 2
   — Support clock time base output
• Serial data I/O
   — Support CCB format communication with the
   system controller.
• Operating ranges
   — Supply voltage........................2.7 to 3.6 V
   — Operating temperature............–20 to +70°C
• Package
   MFP20
   SSOP20