MC145157DW2R2 Freescale Semiconductor, MC145157DW2R2 Datasheet

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... Freescale Semiconductor, Inc. MOTOROLA SEMICONDUCTOR TECHNICAL DATA PLL Frequency Synthesizer Family CMOS The devices described in this document are typically used as low–power, phase–locked loop frequency synthesizers. When combined with an external low–pass filter and voltage–controlled oscillator, these devices can provide all the remaining functions for a PLL frequency synthesizer operating up to the device’ ...

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... Freescale Semiconductor, Inc. MOTOROLA SEMICONDUCTOR TECHNICAL DATA Parallel-Input PLL Frequency Synthesizer Interfaces with Single–Modulus Prescalers The MC145151–2 is programmed by 14 parallel–input data lines for the N counter and three input lines for the R counter. The device features consist of a reference oscillator, selectable–reference divider, digital–phase detector, and 14– ...

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... Freescale Semiconductor, Inc. OSC out OSC T/R NOTE: N0 – N13 inputs and inputs RA0, RA1, and RA2 have pull–up resistors that are not shown. PIN DESCRIPTIONS INPUT PINS f in Frequency Input (Pin 1) Input to the N portion of the synthesizer typically derived from loop VCO and is ac coupled into the device. For larger amplitude signals (standard CMOS logic levels) dc coupling may be used ...

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... Freescale Semiconductor, Inc Phase Detector B Outputs (Pins 8, 9) These phase detector outputs can be combined externally for a loop–error signal. A single–ended output is also avail- able for this purpose (see PD out ). If frequency greater than the phase leading, then error information is provided by V pulsing low. ...

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... Freescale Semiconductor, Inc. MOTOROLA SEMICONDUCTOR TECHNICAL DATA Parallel-Input PLL Frequency Synthesizer Interfaces with Dual–Modulus Prescalers The MC145152–2 is programmed by sixteen parallel inputs for the N and A counters and three input lines for the R counter. The device features consist of a reference oscillator, selectable–reference divider, two–output phase detector, 10– ...

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... Freescale Semiconductor, Inc. RA2 RA1 RA0 OSC out OSC 6–BIT A5 NOTE: N0 – N9, A0 – A5, and RA0 – RA2 have pull–up resistors that are not shown. PIN DESCRIPTIONS INPUT PINS f in Frequency Input (Pin 1) Input to the positive edge triggered N and typically derived from a dual–modulus prescaler and is ac coupled into the device ...

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... Freescale Semiconductor, Inc. portion of the cycle then set back low, the counters preset to their respective programmed values, and the above sequence repeated. This provides for a total programmable divide value ( where P and represent the dual–modulus prescaler divide values respectively for high and low MC levels, N the number programmed into the counter, and A the number programmed into the A counter ...

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... Freescale Semiconductor, Inc. REF. OSC. NO CONNECTS 15.360 MHz (ON–CHIP OSC. X2 “1” “1” OPTIONAL) OSC out RA2 RA1 OSC in MC145152– NOTE CHANNEL PROGRAMMING NOTES: 1. Receiver 1st I. MHz, low side injection; Receiver 2nd I.F. = 11.7 MHz, low side injection. 2. Duplex operation with 45 MHz receiver/transmit separation. ...

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... Freescale Semiconductor, Inc. MOTOROLA SEMICONDUCTOR TECHNICAL DATA Serial-Input PLL Frequency Synthesizer Interfaces with Single–Modulus Prescalers The MC145157–2 has a fully programmable 14–bit reference counter, as well as a fully programmable N counter. The counters are programmed serially through a common data input and latched into the appropriate counter latch, according to the last data bit (control bit) entered. The MC145157– ...

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... Freescale Semiconductor, Inc. ENB OSC in OSC out REF out f in 1–BIT DATA CONTROL S/R CLK PIN DESCRIPTIONS INPUT PINS f in Frequency Input (Pin 8) Input frequency from VCO output. A rising edge signal on this input decrements the N counter. This input has an inverter biased in the linear region to allow use with ac coupled signals as low as 500 mV p– ...

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... Freescale Semiconductor, Inc. If frequency greater than the phase leading, then error information is provided by V pulsing low. R remains essentially high. If the frequency less than the phase lagging, then error information is provided by R pulsing low. V remains essentially high. If the frequency and both are in phase, then both V and R remain high except for a small minimum time period when both pulse low in phase ...

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... Freescale Semiconductor, Inc. MOTOROLA SEMICONDUCTOR TECHNICAL DATA Serial-Input PLL Frequency Synthesizer Interfaces with Dual–Modulus Prescalers The MC145158–2 has a fully programmable 14–bit reference counter, as well as fully programmable N and A counters. The counters are programmed serially through a common data input and latched into the appropriate counter latch, according to the last data bit (control bit) entered. The MC145158– ...

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... Freescale Semiconductor, Inc. ENB OSC in OSC out REF out f in 1–BIT DATA CONTROL S/R CLK PIN DESCRIPTIONS INPUT PINS f in Frequency Input (Pin 8) Input frequency from VCO output. A rising edge signal on this input decrements the A and N counters. This input has an inverter biased in the linear region to allow use with ac coupled signals as low as 500 mV p– ...

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... Freescale Semiconductor, Inc. OUTPUT PINS PD out Phase Detector A Output (Pin 5) This single–ended (three–state) phase detector output produces a loop–error signal that is used with a loop filter to control a VCO. Frequency f V > Leading: Negative Pulses Frequency f V < Lagging: Positive Pulses Frequency and Phase Coincidence: High–Imped- ...

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... Freescale Semiconductor, Inc. MC14515X–2 FAMILY CHARACTERISTICS AND DESCRIPTIONS MAXIMUM RATINGS* (Voltages Referenced Symbol Parameter Supply Voltage out Input or Output Voltage (DC or Transient) except SW1, SW2 V out Output Voltage (DC or Transient), SW1, SW2 (R pull– out Input or Output Current (DC or Transient), ...

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... Freescale Semiconductor, Inc. DC ELECTRICAL CHARACTERISTICS Symbol Parameter I IL Pull–up Current (all inputs with pull–ups Input Capacitance V OL Low–Level Output I out Voltage — OSC out High–Level Output I out Voltage — OSC out Low–Level Output I out Voltage — Other Outputs V OH High– ...

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... Freescale Semiconductor, Inc. AC ELECTRICAL CHARACTERISTICS Symbol Parameter t PLH , t PHL Maximum Propagation Delay (Figures 1 and 4) t PHL Maximum Propagation Delay, ENB to SW1, SW2 (Figures 1 and Output Pulse Width and LD with Phase with f V (Figures 2 and 4) t TLH Maximum Output Transition Time, MC (Figures 3 and 4) ...

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... Freescale Semiconductor, Inc. TIMING REQUIREMENTS (Input unless otherwise indicated) Symbol Parameter f clk Serial Data Clock Frequency, Assuming 25% Duty Cycle NOTE: Refer to CLK t w(H) below (Figure Minimum Setup Time, Data to CLK (Figure Minimum Hold Time, CLK to Data (Figure Minimum Setup Time, CLK to ENB ...

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... Freescale Semiconductor, Inc. FREQUENCY CHARACTERISTICS (Voltages References pF, Input =10 ns unless otherwise indicated) Symbol Parameter f i Input Frequency OSC 500 mV p–p ac coupled sine wave p–p ac coupled sine wave coupled square wave NOTE: Usually, the PLL’s propagation delay from plus the setup time of the prescaler determines the upper frequency limit of the system. ...

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... Freescale Semiconductor, Inc. PHASE–LOCKED LOOP — LOW–PASS FILTER DESIGN A) PD out — — PD out — — out — NOTE: Sometimes split into two series resistors, each R 1 filter V and R . The value should be such that the corner frequency of this network does not significantly affect n . ...

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... Freescale Semiconductor, Inc. CRYSTAL OSCILLATOR CONSIDERATIONS The following options may be considered to provide a ref- erence frequency to Motorola’s CMOS frequency synthe- sizers. Use of a Hybrid Crystal Oscillator Commercially available temperature–compensated crystal oscillators (TCXOs) or crystal–controlled data clock oscilla- tors provide very stable reference frequencies. An oscillator capable of sinking and sourcing CMOS logic levels may be direct or dc coupled to OSC in ...

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... Freescale Semiconductor, Inc. Table 1. Partial List of Crystal Manufacturers Motorola — Internet Address http://motorola.com NOTE: Motorola cannot recommend one supplier over another and in no way suggests that this is a complete listing of crystal manufacturers. RECOMMENDED READING Technical Note TN–24, Statek Corp. Technical Note TN–7, Statek Corp. ...

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... Freescale Semiconductor, Inc. 3. Assume the N counter and the A counter (with all the higher order bits above “a” ignored) combined into a single binary counter bits in length (n = number of divider stages in the N counter). The MSB of this “hy- pothetical” counter is to correspond to the MSB of N and ...

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... Freescale Semiconductor, Inc. –A– 0.25 (0.010 For More Information On This Product, MC145151–2 through MC145158–2 24 PACKAGE DIMENSIONS P SUFFIX PLASTIC DIP CASE 648–08 (MC145157–2, MC145158– SEATING –T– PLANE SUFFIX PLASTIC DIP CASE 710–02 (MC145151–2, MC145152–2) ...

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... Freescale Semiconductor, Inc. - 28X 0.010 (0.25 -T- G 26X –A– –B– 16X 0.010 (0.25 14X K For More Information On This Product, MOTOROLA DW SUFFIX SOG PACKAGE CASE 751F–04 (MC145151–2, MC145152– 14X -B- 0.010 (0.25 -T- SEATING PLANE SUFFIX SOG PACKAGE CASE 751G–02 (MC145157– ...

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... Freescale Semiconductor, Inc. Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “ ...