Rainbow-electronics MAX3679A Manual do Utilizador descarregar pdf (Página 11)

MAX3679A

+3.3V, Low-Jitter Crystal to

LVPECL Clock Generator

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 ____________________

CRYSTAL

OSCILLATOR

LVCMOS

DIVIDERS:

NA = 2, 4, 5, 10

NB = 2, 4, 5, 10

REF_IN

X_IN

25MHz

X_OUT

PFD FILTER

÷25

DIVIDER

VCO

625MHz

LVCMOS

BUFFER

QA_C

QAC_OE

LVPECL

BUFFER

QA_OE

LVPECL

BUFFER

QB1

QB1_OE

QB1

LVPECL

BUFFER

QB0

QB0_OE

QB0

SELB[1:0]

SELA[1:0]IN_SEL

BYPASS

MAX3679A

33pF

27pF

Block Diagram

PACKAGE TYPE PACKAGE CODE DOCUMENT NO.

32 TQFN-EP T3255+3

21-0140

Package Information

For the latest package outline information and land patterns, go to www.maxim-ic.com/packages.

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