ML145151 datasheet(9/35 Pages) LANSDALE

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Issue A

ML145155

Serial–Input PLL

Frequency Synthesizer

Interfaces with Single–Modulus Prescalers

Legacy Device: Motorola/Freescale MC145155-2

The ML145155 is programmed by a clocked, serial input,

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

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

14–bit programmable divide–by–N 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

• 8 User–Selectable ÷ R Values: 16, 512, 1024, 2048,

3668, 4096, 6144, 8192

• Single Modulus/Serial Programming

• ÷ N Range = 3 to 16383

• “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 18 = VP

PLASTIC DIP

CASE 707

SOG 20W = -6P

SOG PACKAGE

CASE 751D

CROSS REFERENCE/ORDERING INFORMATION

MOTOROLA

P DIP 18

MC145155P2

ML145155VP

SOG 20W

MC145155DW2

ML145155-6P

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 ASSIGNMENTS

VDD

φV

RA2

RA1

fin

VSS

PDout

φR

REFout

OSCout

OSCin

RA0

CLK

DATA

ENB

SW1

SW2

PLASTIC DIP

PDout

φR

φV

RA2

RA1

fin

VSS

VDD

REFout

OSCout

OSCin

RA0

CLK

DATA

ENB

SW1

SW2

SOG PACKAGE

NC = NO CONNECTION

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