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MC145146DW2 датащи(PDF) 1 Page - Motorola, Inc |
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MC145146DW2 датащи(HTML) 1 Page - Motorola, Inc |
1 / 2 page MC145146–2 MOTOROLA 1 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 program- mable 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 NOT RECOMMENDED FOR NEW DESIGNS; PRODUCT TO BE PHASED OUT. Closest equivalents are the MC145152–2, MC145170–1, MC14519X series, and MC14520X series. BLOCK DIAGRAM MODULUS CONTROL (MC) 7–BIT ÷A COUNTER CONTROL LOGIC PDout LD LOCK DETECT PHASE DETECTOR B PHASE DETECTOR A ST A0 A1 A2 D3 D2 D1 D0 12–BIT ÷R COUNTER LATCHES LATCH CONTROL CIRCUITRY 10–BIT ÷N COUNTER OSCin OSCout fin L5 L6 L7 L2 L3 L4 L0 L1 fR φV φR fV Order this document by MC145146–2/D MOTOROLA SEMICONDUCTOR TECHNICAL DATA PIN ASSIGNMENT MC145146-2 P SUFFIX PLASTIC DIP CASE 738 DW SUFFIX SOG PACKAGE CASE 751D ORDERING INFORMATION MC145146P2 Plastic DIP MC145146DW2 SOG Package 20 1 VDD VSS fin D0 D1 A1 A0 OSCout OSCin PDout 5 4 3 2 1 10 9 8 7 6 14 15 16 17 18 19 20 11 12 13 φV φR fR D3 D2 A2 ST LD fV MC 20 1 © Motorola, Inc. 1998 REV 2 1/98 |
Аналогичный номер детали - MC145146DW2 |
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Аналогичное описание - MC145146DW2 |
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