MC145156 Motorola Serial-Input PLL Frequency Synthesizer

MC145156 Motorola Serial-Input PLL Frequency Synthesizer

Programmed by a clocked, serial input, 19-bit data stream. The device features consist of a reference oscillator, selectable-reference divider, difital-phase detector, 10-bit programmable divide-by-N counter, 7-bit programmable divide-by-A counter, and the necessary shift register and latch circuitry for accepting serial input data.

• Operating Temperature Range: -40 to 85oC
• Low Power Consumption Through Use of CMOS Technology
• 3.0 to 9.0 V Supply Range
• On-or Off-Chip Reference Oscillator Operation with Buffered Output
• Compatible with the Serial Peripheral Interface (SPI) on CMOS MCUs
• Lock Detect Signal
• Two Open-Drain Switch Outputs
• Dual Modulus/Serial Programming
• 8 User-Selectable + R Values: 8,64, 128, 256,640,1000, 1024,2048
• ÷ N Range = 3 to 1023, ÷ A Range = 0 to 127
• "Linearized" Digital Phase Detector Enhances TRansfer Function Linearity
• Two Error Signal Options: Single-Ended (Three-State) or Double Ended
• Chip Complexity: 6504 FETs or 1626 Equivalent Gates

MFR: Motorola

Data Sheet