Description
The U6209B is a single chip PLL frequency synthesizer with unidirectional I2C-bus control. This IC contains a high frequency prescaler which can be switched off. Five open collector switching outputs are available. The U6209B has a programmable 512/1024 reference divider.

FEATUREs
● 1.3 GHz divide-by-8 prescaler integrated (can be bypassed)
● 15 bit counter accepts input frequencies up to 170 MHz
● Programmable reference divider: divider by 512 or 1024
● μP-controlled by I2C-Bus (MC44818 data format compatible)
● Five port outputs (open collector )
● Four addresses selectable at Pin 10 for multi-tuner application
● 31.25 kHz ( –1.3 GHz ) / 3.90625 kHz ( –170 MHz ) tuning steps with 4MHz Xtal
● Electrostatic protection according to MILSTD 883
● SO16 small package