Datasheet > MK2049-36SITR

MK2049-36SITR

更新时间： 2024-11-24 22:21:47

品牌	Logo	应用领域
矽成 - ICSI		晶体外围集成电路光电二极管通信时钟
页数	文件大小	规格书
10页	128K
描述
3.3 V Communications Clock PLL

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MK2049-36SITR 数据手册

PRELIMINARY INFORMATION

MK2049-36

3.3 V Communications Clock PLL

Description

Features

The MK2049-36 is a Phase-Locked Loop (PLL)

based clock synthesizer that accepts multiple input

frequencies. With an 8 kHz clock input as a

reference, the MK2049-36 generates T1, E1, T3,

E3, OC3/3, Gigabit Ethernet, and other

communications frequencies. This allows for the

generation of clocks frequency-locked to an 8 kHz

backplane clock, simplifying clock synchronization

in communications systems.

• Packaged in 20 pin SOIC

• 3.3 V ±5% operation

• Meets the TR62411, ETS300 011, and GR-1244

specification for MTIE, Pull-in/Hold-in Range,

Phase Transients, and Jitter Generation for

Stratum 3, 4, and 4E

• Accepts multiple inputs: 8 kHz backplane clock,

or 10 to 50 MHz

This part also has a jitter-attenuated Buffer

capability. In this mode, the MK2049-36 is ideal

for filtering jitter from with high jitter clocks.

• Locks to 8 kHz ±100 ppm (External mode)

• Buffer Mode allows jitter attenuation of

10-50 MHz input and x1/x0.5 or x1/x2 outputs

• Exact internal ratios enable zero ppm error

• Output clock rates include T1, E1, T3, E3,

and OC3 submultiples

ICS can customize these devices for many other

different frequencies. Contact your ICS

representative for more details.

• See the MK2049-01, -02, and -03 for more

selections at VDD = 5 V, and the MK2049-34 for

more selections at 3.3 V

Block Diagram

VDD

GND

RES

FS3:0

PLL

Clock

Output

Buffer

CLK

Synthesis,

Control, and

Jitter

Attenuation

Circuitry

External/

Clock

Output

Buffer

Buffer Mode

Input

CLK/2

Mux

Reference

Crystal

Output

Buffer

Crystal

8 kHz

(External

Mode only)

Oscillator

FCAP

CAP1

CAP2

MDS 2049-36 A

Revision 120400

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

12 3 4 5 6 7...10

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MK2049-45SILF	ICSI	获取价格	3.3V Communications Clock PLL
MK2049-45SILFTR	ICSI	获取价格	3.3V Communications Clock PLL
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