Datasheet > FS7140-01G-XTP(16SOIC)

FS7140-01G-XTP(16SOIC)

更新时间： 2024-11-02 20:36:07

品牌	Logo	应用领域
AMI		局域网
页数	文件大小	规格书
15页	977K
描述
IC,MISCELLANEOUS CLOCK GENERATOR,CMOS,SOP,16PIN,PLASTIC

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FS7140-01G-XTP(16SOIC) 技术参数

生命周期：	Transferred	Reach Compliance Code：	unknown
风险等级：	5.83

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Data Sheet

FS7140-01 / FS7140-01g / FS7145 Programmable Phase-Locked Loop Clock Generator

1.0 Features

2.0 Description

• Extremely flexible and low-jitter phase-locked loop (PLL)

frequency synthesis

The FS7140 / FS7145 is a monolithic CMOS clock gen-

erator/regenerator IC designed to minimize cost and

component count in a variety of electronic systems. Via the I²C-

bus interface, the FS714x can be adapted to many clock

generation requirements.

• No external loop filter components needed

• 150MHz CMOS or 340MHz PECL outputs

• Completely configurable via I²C™-bus

• Up to four FS7140 or FS7145 can be used on a single

I²C-bus

• 3.3V operation

• Independent on-chip crystal oscillator and external

reference input

The length of the reference and feedback dividers, their fine

granularity, and the flexibility of the post divider make the

FS714x the most flexible stand-alone phase-locked loop (PLL)

clock generator available.

• Very low "cumulative" jitter

3.0 Applications

SCL

SDA

¹⁶CLKN

¹⁵CLKP

¹⁴VDD

SCL

SDA

¹⁶CLKN

¹⁵CLKP

• Precision frequency synthesis

• Low-frequency clock multiplication

• Video line-locked clock generation

• Laser beam printers (FS7145)

ADDR0

VSS

ADDR0

VSS

VDD

n/c

SYNC

XIN

¹²REF

¹¹VSS

¹⁰n/c

XIN

¹²REF

¹¹VSS

¹⁰n/c

XOUT

ADDR1

VDD

XOUT

ADDR1

VDD

IPRG

Figure 1: Pin Configuration:

16-pin (0.150”) SOIC, 16-pin (5.3mm) SSOP

Sync

SYNC

Control

(FS7145 only)

IPRG

XIN

Loop

Filter

Crystal

Oscillator

XOUT

REF

Reference

Divider

(N_R)

CLKP

CLKN

Phase-

Frequency

Detector

Voltage

Controlled

Oscillator

Post

Divider

(N_Px)

Charge

Pump

DOWN

CMOS/PECL

Output

ADDR[1:0]

Feedback

Divider (N_F)

SCL

SDA

I²C

Interface

Registers

FS7140 / FS7145

Figure 2: Device Block Diagram

AMI Semiconductor - Rev. 3.0

www.amis.com

12 3 4 5 6 7...15

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