Datasheet > MK1726-04AS

MK1726-04AS

更新时间： 2024-12-01 08:39:51

品牌	Logo	应用领域
艾迪悌 - IDT		光电二极管
页数	文件大小	规格书
8页	162K
描述
Clock Generator, 128MHz, CMOS, PDSO8, 0.150 INCH, SOIC-8

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MK1726-04AS 数据手册

MK1726A

Low EMI Clock Generator

Description

Features

The MK1726-01A/-02A/-04A devices generate a low

EMI output clock from a clock or crystal input. The part

is designed to dither the LCD interface clock for PDAs,

printers, scanners, modems, copiers, etc. Using ICS’

proprietary mix of analog and digital Phase Locked

Loop (PLL) technology, the device spreads the

frequency spectrum of the output and reduces the

frequency amplitude peaks by several dB. The

MK1726-01A/-02A/-04A devices offer both centered

and down spread from a high-speed clock input.

• Packaged in 8-pin SOIC/TSSOP

• Provides a spread spectrum output clock

• Supports flat panel controllers

• Accepts a clock or crystal input (provides same

frequency dithered output)

• Input frequency range of 4 to 32 MHz.

• Output frequency range of 4 to 128 MHz

• 1X, 2X, 4X frequency multiplication

• 1X: MK1726-01A; 2X: MK1726-02A; 4X:

ICS offers many other clocks for computers and

computer peripherals. Consult ICS when you need to

remove crystals and oscillators from your board.

MK1726-04A

• Center and down spread

• Peak reduction by 8 dB to 16 dB typical on 3rd

through 19th odd harmonics

• Low EMI feature can be disabled

• Includes power down

• Operating voltage of 3.3 V

• Advanced, low-power CMOS process

Block Diagram

VDD

S1:0

PLL Clock

Synthesis

and Spread

Spectrum

Circuitry

Spread Direction

FRSEL

SSCLK

X1= 01A

X2= 02A

X4= 04A

X1/CLK

Clock Buffer/

Crystal

Ocsillator

GND

The crystal requires external capacitors

for accurate tuning of the clock

MDS 1726A B

Revision 101703

Integrated Circuit Systems, Inc. z 525 Race Street, San Jose, CA 95126 z tel (408) 297-1201 z www.icst.com

12 3 4 5 6 7 8

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