U6239B-AFPG3 Datasheet

2.9 GHz PLL for SAT TV Tuner with UNi-Bus


The U6239B is a single-chip frequency synthesizer with bidirectional I2C bus control and unidirectional 3-wire
bus control, developed for SAT TV-tuner and cable tuner applications.

2.9 GHz divide-by-16 prescaler integrated
  I2C bus and 3-wire bus
  I2C bus software compatible to U6223B
  3-wire bus software compatible to LC7215 (Sanyo)
I2C bus mode:
  4 bidirectional ports (open collector)
  2 unidirectional ports (open collector)
  5 level ADC or unidirectional port (open collector)
  Address mode select function (AMS, Pin 3):
  3 or 4 addresses selectable via Pin 10
3-wire bus mode:
  4 unidirectional ports (open collector)
  Lock output (open collector)
Programmable reference divider
Low power consumption (typ. 5 V / 23 mA)
Electrostatic protection according to MIL-STD 883




Manufacturer information

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