ML145145

www.DataSheet4U.com ML145145 4–Bit Data Bus Input PLL Frequency Synthesizer INTERFACES WITH SINGLE–MODULUS PRESCALERS Legacy Device: Motorola MC145145-2 The ML145145 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, 14–bit programmable divide–by–N counter, and the necessary latch circuitry for accepting the 4–bit input data. Operating Temperature Range: TA – 40 to 85°C Low Power Consumption Through the Use of CMOS Technology 3.0 to 9.0 V Supply Range Single Modulus 4–Bit Data Bus Programming ÷N Range = 3 to 16,383, ÷R Range = 3 to 4,095 “Linearized” Digital Phase Detector Enhances Transfer Function Linearity Two Error Signal Options: Single–Ended (Three–State) Double–Ended P DIP 18 = VP PLASTIC DIP CASE 707 18 1 20 SOG 20 = -6P SOG PACKAGE CASE 751D 1 CROSS REFERENCE/ORDERING INFORMATION MOTOROLA LANSDALE PACKAGE P DIP 18 MC145145P1 ML145145VP SOG 20 MC145145DW2 ML145145-6P Note: Lansdale lead free (Pb) product, as it becomes available, will be identified by a part number prefix change from ML to MLE. PIN ASSIGNMENTS PLASTIC DIP D1 D0 fin 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 D2 D3 REFout φR φV LD PDout ST A2 BLOCK DIAGRAM REFout VSS VDD OSCin OSCout OSCin OSCout 12–BIT R COUNTER LATCH 4 LATCH 5 LATCH 6 LOCK DETECT LD A0 A1 SOG PACKAGE D1 D0 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 D2 D3 REFout φR φV LD ...