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INTEGRATED CIRCUITS
DATA SHEET
TSA5515T 1.3 GHz bi-directional I2C-bus
controlled synthesizer
Product specification File under Integrated Circuits, IC02
November 1991
Philips Semiconductors
1.3 GHz bi-directional I2C-bus controlled synthesizer
Product specification
TSA5515T
GENERAL DESCRIPTION
The TSA5515T is a single chip PLL frequency synthesizer designed for TV tuning systems. Control data is entered via the I2C-bus; five serial bytes are required to address the device, select the oscillator frequency, programme the three output ports and set the charge-pump current. A flag is set when the loop is “in-lock”. Another flag is set when a power dip occurs on the supply line. These flags are read out of the TSA5515T on SDA line (one status byte) during a READ operation.