MAX3679A 查看數據表（PDF） - Microsemi Corporation

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MAX3679A

+3.3V, Low-Jitter Crystal to LVPECL Clock Generator

Microsemi Corporation 

REF_IN

27pF

X_IN

25MHz

X_OUT

33pF

IN_SEL

LVCMOS

0

1

CRYSTAL

OSCILLATOR

DIVIDERS:

NA = 2, 4, 5, 10

NB = 2, 4, 5, 10

+3.3V, Low-Jitter Crystal to

LVPECL Clock Generator

Block Diagram

BYPASS

SELA[1:0]

0

625MHz

PFD

FILTER

VCO

1

÷25

MAX3679A

DIVIDER

NA

LVCMOS

BUFFER

LVPECL

BUFFER

DIVIDER

NB

LVPECL

BUFFER

LVPECL

BUFFER

QAC_OE

QA_C

QA_OE

QA

QA

QB1_OE

QB1

QB1

QB0_OE

QB0

QB0

SELB[1:0]

Package Information

For the latest package outline information and land patterns, go to www.microsemi.com.

PACKAGE TYPE

32 TQFN-EP

PACKAGE CODE

T3255+3

DOCUMENT NO.

21-0140

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are

implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.

Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 11

© 2009 Maxim Integrated Products

Maxim is a registered trademark of Maxim Integrated Products, Inc1.1

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