Datasheet > P701-0XXC

P701-0XXC

更新时间： 2024-01-09 15:57:09

品牌	Logo	应用领域
PLL		时钟
页数	文件大小	规格书
5页	220K
描述
Low EMI Spread Spectrum Multiplier Clock

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P701-0XXC 数据手册

PLL701-01/02/04/06

Low EMI Spread Spectrum Multiplier Clock

FEATURES

PIN CONFIGURATION

•

Spread Spectrum Clock Generator with selectable

XIN/FIN

XOUT/SD*^

SC0^

VDD

multiplier from 1x to 6x outputs.

Output frequency ranges: 10MHz to 180MHz.

Accepts input from crystal or reference clock.

Selectable Center, Down or Asymmetric Spread

Modulation.

•

SC2^

FOUT

GND

SC1^

•

Selectable Modulation rate.

TTL/CMOS compatible outputs.

3.3V Operating Voltage.

Low short term jitter.

Available in 8-Pin 150mil SOIC.

XIN/FIN = 10 ~ 30 MHz

Note: ^: Internal pull-up resistor (120kΩ for SD, 30 kΩ for

SC0-SC2).

*: The value of SD is latched upon power-up. The

internal pull-up resistor results in a default high value

when no pull-down resistor is connected to this pin

(recommended external pull-down resistor of 27 kΩ).

DESCRIPTION

The PLL701-01/02/04/06 are Spread Spectrum Clock

Generators designed for the purpose of reducing EMI

in high-speed digital systems. Any output frequency

from 10 to 180MHz can be selected by programming

6 multiplier modes. The device is designed to operate

from a crystal or reference clock input and provides

1x to 6x modulated clock outputs.

OUTPUT CLOCK (FOUT) SELECTION

SST Modulation

FOUT FOUT FOUT FOUT

SD SC2 SC1 SC0

(-01)

(-02)

(-04)

(-06)

Magnitude

0.50%

Freq.

Type

±0.25%

±0.5%

1.00%

-1.0%

±0.75%

1.50%

2.00%

2.50%

3.00%

+0.25% ~ -1.25%

±1.0%

+0.5% ~ -1.5%

±1.25%

Fin / 512

+0.75% ~ -1.75%

±1.5%

+1.0% ~ -2.0%

±1.75%

3.50%

OFF

+1.25% ~ -2.25%

Notes: C: Center Spread. A: Asymmetric Spread. D: Down Spread.

47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991 www.phaselink.com Rev 08/30/05 Page 1

12 3 4 5

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