MC145170DT2R2

MC145170DT2R2 Datasheet

MC145170-2/D Rev. 4, 02/2003

Part	Datasheet
MC145170DT2R2	MC145170DT2R2 (pdf)

Related Parts	Information
MC145170DT2	MC145170DT2
MC145170D2R2	MC145170D2R2
MC145170D2	MC145170D2

PDF Datasheet Preview
Technical Data PLL Frequency Synthesizer with Serial Interface Freescale Semiconductor, Inc. MC145170-2 D SUFFIX CASE 751B P SUFFIX CASE 648 DT SUFFIX CASE 948C Ordering Information Device MC145170P2 MC145170D2 MC145170DT2 Operating Temp Range TA = -40 to 85°C Package Plastic DIP SOG-16 TSSOP-16 Freescale Semiconductor, Inc... Contents: 1 Introduction 1 2 Specifications 3 Pin Connections 10 4 Design Considerations 18 5 Packaging. 30 1 Introduction The new MC145170-2 is pin-for-pin compatible with the MC145170-1. A comparison of the two parts is shown in the table below. The MC145170-2 is recommended for new designs and has a more robust power-on reset POR circuit that is more responsive to momentary power supply interruptions. The two devices are actually the same chip with mask options for the POR circuit. The more robust POR circuit draws approximately 20 µA additional supply current. Note that the maximum specification of 100 µA quiescent supply current has not changed. The MC145170-2 is a single-chip synthesizer capable of direct usage in the MF, HF, and VHF bands. A special architecture makes this PLL easy to program. Either a bit- or byteoriented format may be used. Due to the patented registers, no address/steering bits are required for random access of the three registers. Thus, tuning can be accomplished via a 2-byte serial transfer to the 16-bit N register. The device features fully programmable R and N counters, an amplifier at the fin pin, on-chip support of an external crystal, a programmable reference output, and both single- and double- ended phase detectors with linear transfer functions no dead zones . A configuration C register allows the part to be configured to meet various applications. A patented feature allows the C register to shut off unused outputs, thereby minimizing noise and interference. In order to reduce lock times and prevent erroneous data from being loaded into the counters, a patented jam-load feature is included. Whenever a new divide ratio is loaded into the N register, both the N and R counters are jam-loaded with their respective values and begin counting down together. The phase detectors are also initialized during the jam load. • Operating Voltage Range to V Motorola, Inc., All rights reserved. For More Information On This Product, Go to: Introduction Freescale Semiconductor, Inc. • Maximum Operating Frequency 185 MHz Vin = 500 mVpp, V Minimum Supply 100 MHz Vin = 500 mVpp, V Minimum Supply • Operating Supply Current mA V, 30 MHz mA V, 100 MHz mA V, 50 MHz mA V, 185 MHz • Operating Temperature Range -40 to 85°C • R Counter Division Range 1 and 5 to 32,767 • N Counter Division Range 40 to 65,535 • Direct Interface to Motorola SPI Serial Data Port • See Application Notes AN1207/D and AN1671/D • Contact Motorola for MC145170 control software. Table Comparision of the PLL Frequency Synthesizers Parameter MC145170-2 MC145170-1 Minimum Supply Voltage Maximum Input Current, fin Dynamic Characteristics, fin Figure 26 Power-On Reset Circuit V 150 µA Unchanged Improved V 120 µA Freescale Semiconductor, Inc... MC145170-2 Technical Data MOTOROLA For More Information On This Product, Go to:

PDF Datasheet Preview

Technical Data

PLL Frequency Synthesizer with Serial Interface

Freescale Semiconductor, Inc.

MC145170-2

D SUFFIX CASE 751B

P SUFFIX CASE 648

DT SUFFIX CASE 948C
Ordering Information

Device

MC145170P2 MC145170D2 MC145170DT2

Operating Temp Range

TA = -40 to 85°C

Package

Plastic DIP SOG-16

TSSOP-16

Freescale Semiconductor, Inc...

Contents:
1 Introduction 1 2 Specifications 3 Pin Connections 10 4 Design Considerations 18 5 Packaging. 30
1 Introduction

The new MC145170-2 is pin-for-pin compatible with the MC145170-1. A comparison of the two parts is shown in the table below. The MC145170-2 is recommended for new designs and has a more robust power-on reset POR circuit that is more responsive to momentary power supply interruptions. The two devices are actually the same chip with mask options for the POR circuit. The more robust POR circuit draws approximately 20 µA additional supply current. Note that the maximum specification of 100 µA quiescent supply current has not changed.

The MC145170-2 is a single-chip synthesizer capable of direct usage in the MF, HF, and VHF bands. A special architecture makes this PLL easy to program. Either a bit- or byteoriented format may be used. Due to the patented registers, no address/steering bits are required for random access of the three registers. Thus, tuning can be accomplished via a 2-byte serial transfer to the 16-bit N register.

The device features fully programmable R and N counters, an amplifier at the fin pin, on-chip support of an external crystal, a programmable reference output, and both single- and double-
ended phase detectors with linear transfer functions no dead zones . A configuration C register allows the part to be configured to meet various applications. A patented feature allows the C register to shut off unused outputs, thereby minimizing noise and interference.

In order to reduce lock times and prevent erroneous data from being loaded into the counters, a patented jam-load feature is included. Whenever a new divide ratio is loaded into the N register, both the N and R counters are jam-loaded with their respective values and begin counting down together. The phase detectors are also initialized during the jam load.
• Operating Voltage Range to V

Motorola, Inc., All rights reserved.

For More Information On This Product, Go to:

Introduction

Freescale Semiconductor, Inc.
• Maximum Operating Frequency 185 MHz Vin = 500 mVpp, V Minimum Supply 100 MHz Vin = 500 mVpp, V Minimum Supply
• Operating Supply Current mA V, 30 MHz mA V, 100 MHz mA V, 50 MHz mA V, 185 MHz
• Operating Temperature Range -40 to 85°C
• R Counter Division Range 1 and 5 to 32,767
• N Counter Division Range 40 to 65,535
• Direct Interface to Motorola SPI Serial Data Port
• See Application Notes AN1207/D and AN1671/D
• Contact Motorola for MC145170 control software.

Table Comparision of the PLL Frequency Synthesizers

Parameter

MC145170-2 MC145170-1

Minimum Supply Voltage Maximum Input Current, fin Dynamic Characteristics, fin Figure 26 Power-On Reset Circuit

V 150 µA Unchanged Improved

V 120 µA

Freescale Semiconductor, Inc...

MC145170-2 Technical Data

MOTOROLA

For More Information On This Product,

Go to:

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Datasheet ID: MC145170DT2R2 635480