Datasheet > MK2059-01SITR

MK2059-01SITR

更新时间： 2024-11-27 22:06:35

品牌	Logo	应用领域
矽成 - ICSI		转换器石英晶振压控振荡器时钟
页数	文件大小	规格书
10页	145K
描述
VCXO-Based Frame Clock Frequency Translator

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MK2059-01SITR 数据手册

MK2059-01

VCXO-Based Frame Clock Frequency Translator

Description

Features

The MK2059-01 is a VCXO (Voltage Controlled Crystal

Oscillator) based clock generator that produces

common telecommunications reference frequencies.

The output clock is phase locked to an 8kHz (frame

rate) input reference clock. The MK2059-01 also

provides jitter attenuation. Included in the selection of

output frequencies are these common system clocks:

• Generates T1, E1, OC-3 and other common telecom

clock frequencies from an 8kHz frame clock

• Configurable jitter attenuation characterisitics,

excellent for use as a Stratum source de-jitter circuit

• 2:1 Input MUX for input reference clocks

• VCXO-based clock generation offers very low jitter

and phase noise generation

• Output clock is phase and frequency locked to the

1.544 MHz (T1)

2.048 (E1)

selected input reference clock

19.44 MHz (OC-3)

16.384 MHz (8x E1)

• Fixed input to output phase relationship

This monolithic IC, combined with an external

• +115ppm minimum crystal frequency pullability

range, using recommended crystal

inexpensive quartz crystal, can be used to replace a

more costly hybrid VCXO retiming module. Through

selection of external loop filter components, the PLL

loop bandwidth and damping factor can be tailored to

meet input clock jitter attenuation requirements. A loop

bandwidth down to the Hz range is possible.

• Industrial temperature range

• Low power CMOS technology

• 20 pin SOIC package

• Single 3.3V power supply

Block Diagram

Pullable xtal

VDD

ISET

VDD

ICLK2

8kHz Ref Input

Phase

Output

Divider

CLK

VCXO

ICLK1

Detector

Charge

Pump

ISEL

Feedback

Divider

SEL2:0

CHGP

VIN

GND

MDS 2059-01 B

Revision 071001

Integrated Circuit Systems, Inc. ● 525 Race Street, San Jose, CA 95126 ● tel (408) 295-9800 ● www.icst.com

12 3 4 5 6 7...10

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