MK1581-01 datasheet, PDF - EEWORLD Datasheet

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MK1581-01: DescriptionLOW PHASE NOISE T1/E1 CLOCK GENERATOR; File Size179KB，11 Pages; ManufacturerIDT (Integrated Device Technology, Inc.); Websitehttp://www.idt.com/

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LOW PHASE NOISE T1/E1 CLOCK GENERATOR

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LOW PHASE NOISE T1/E1 CLOCK GENERATOR

Description

The MK1581-01 provides synchronization and timing

control for T1 and E1 based network access or multitrunk

telecommunication systems. The device accepts an 8 kHz

frame clock input and uses an on-chip VCXO to produce a

synchronized low phase noise clock output.

This monolithic IC, combined with an external inexpensive

quartz crystal, can be used to replace a more costly hybrid

VCXO retiming module. Through selection of external loop

filter components values, the device can be tailored to meet

the system’s clock jitter attenuation requirements. Low-pass

jitter attenuation characteristics in the Hz range are

possible.

MK1581-01

Features

•

Generates a T1 (1.544 MHz) or E1 (2.048 MHz) output

•

clock from an 8kHz frame clock input

Configurable jitter attenuation characteristics, excellent

for use as a Stratum source de-jitter circuit

VCXO-based clock generation ensures very low jitter and

phase noise generation

Output clock is phase and frequency locked to the input

reference clock

+115ppm minimum crystal frequency pullability range,

using recommended crystal

Industrial temperature range

Low power CMOS technology

16 pin TSSOP package

Single 3.3 V power supply

Block Diagram

SET

Pullable Crystal

VDD

ISET

Phase

Detector

8kHz_IN

Charge

Pump

VCXO

Output

Divider

CLK

Feedback

Divider

SEL

CHGP

VIN

GND

IDT™

LOW PHASE NOISE T1/E1 CLOCK GENERATOR

MK1581-01

REV F 051310

MK1581-01 Related Products

	MK1581-01	MK1581-01GI	MK1581-01GITR
Description	LOW PHASE NOISE T1/E1 CLOCK GENERATOR	LOW PHASE NOISE T1/E1 CLOCK GENERATOR	LOW PHASE NOISE T1/E1 CLOCK GENERATOR

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