MC145146-2

MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MC145146–2/D MC145146-2 4-Bit Data Bus Input PLL Frequency Synthesizer Interfaces with Dual–Modulus Prescalers The MC145146–2 is programmed by a 4–bit input, with strobe and address lines. The device features consist of a reference oscillator, 12–bit programmable reference divider, digital phase detector, 10–bit programmable divide– by–N counter, 7–bit divide–by–A counter, and the necessary latch circuitry for accepting the 4–bit input data. Operating Temperature Range: – 40 to 85°C Low Power Consumption Through the Use of CMOS Technology 3.0 to 9.0 V Supply Range Programmable Reference Divider for Values Between 3 and 4095 Dual–Modulus 4–Bit Data Bus Programming ÷ 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) Double–Ended 20 1 P SUFFIX PLASTIC DIP CASE 738 20 DW SUFFIX SOG PACKAGE CASE 751D 1 ORDERING INFORMATION MC145146P2 MC145146DW2 Plastic DIP SOG Package PIN ASSIGNMENT D1 D0 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 D2 D3 fR φR φV fV MC LD ST A2 NOT RECOMMENDED FOR NEW DESIGNS; PRODUCT TO BE PHASED OUT. Closest equivalents are the MC145152–2, MC145170–1, MC14519X series, and MC14520X series. fin VSS PDout VDD OSCin BLOCK DIAGRAM OSCout A0 OSCin OSCout D0 D1 D2 D3 A2 A1 A0 ST 12–BIT ÷ R COUNTER L5 L6 L7 LOCK DETECT fR A1 LD LATCH CONTROL CIRCUITRY ...