ML145151YP datasheet(13/35 Pages) LANSDALE

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Issue A

ML145156

Serial–Input PLL

Frequency Synthesizer

Interfaces with Dual–Modulus Prescalers

Legacy Device: Motorola/Freescale MC145156-2

The ML145156 is programmed by a clocked, serial input,

19–bit data stream. The device features consist of a reference

oscillator, selectable–reference divider, digital–phase detector,

10–bit programmable divide–by–N counter, 7–bit program-

mable divide–by–A counter, and the necessary shift register

and latch circuitry for accepting serial input data.

• Operating Temperature Range: TA = – 40 to 85°C

• Low Power Consumption Through Use of

CMOS Technology

• 3.0 to 9.0 V Supply Range

• On– or Off–Chip Reference Oscillator Operation with

Buffered Output

• Compatible with the Serial Peripheral Interface (SPI) on

CMOS MCUs

• Lock Detect Signal

• Two Open–Drain Switch Outputs

• Dual Modulus/Serial Programming

• 8 User–Selectable ÷ R Values: 8, 64, 128, 256, 640,

1000, 1024, 2048

• ÷ 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)

or Double–Ended

• Chip Complexity: 6504 FETs or 1626 Equivalent Gates

P DIP 20 = RP

PLASTIC DIP

CASE 738

SOG 20W = -6P

SOG PACKAGE

CASE 751D

CROSS REFERENCE/ORDERING INFORMATION

MOTOROLA

P DIP 20

MC145156P2

ML145156RP

SOG 20W

MC145156DW2

ML145156-6P

LANSDALE

PACKAGE

Note: Lansdale lead free (Pb) product, as it

becomes available, will be identified by a part

number prefix change from ML to MLE.

PIN ASSIGNMENT

PDout

φR

φV

RA2

RA1

fin

VSS

VDD

TEST

REFout

OSCout

OSCin

RA0

CLK

DATA

ENB

SW1

SW2

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