mc145170-2 Freescale Semiconductor, Inc, mc145170-2 Datasheet

mc145170-2

Manufacturer Part Number

mc145170-2

Description

Pll Frequency Synthesizer With Serial Interface

Manufacturer

Freescale Semiconductor, Inc

Datasheet

1.MC145170-2.pdf (32 pages)

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Freescale Semiconductor

Technical Data

MC145170-2

PLL Frequency Synthesizer with

Serial Interface

The new MC145170-2 is pin-for-pin compatible with the

MC145170-1. A comparison of the two parts is shown in

Table 1 on page

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 byte-oriented format may be used. Due to the

patented BitGrabber™ 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.

Freescale reserves the right to change the detail specifications as may be required to permit improvements in the design of its

products.

Introduction

2. The MC145170-2 is recommended

Package Information

Plastic DIP Package

Contents

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2 Electrical Characteristics . . . . . . . . . . . . . . . 3

3 Pin Connections . . . . . . . . . . . . . . . . . . . . . . . 9

4 Design Considerations . . . . . . . . . . . . . . . . 18

5 Packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

MC145170DT2

MC145170P2

MC145170D2

Case 751B

Device

D Suffix

SCALE 2:1

MC145170-2

Ordering Information

Package Information

Temperature Range

SOG Package

Case 648

Operating

P Suffix

= -40 to 85°C

Package Information

MC145170-2/D

TSSOP Package

Rev. 5, 1/2005

Case 948C

DT Suffix

Plastic DIP

TSSOP-16

Package

SOG-16

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