Datasheet > CY25402_11

CY25402_11

更新时间： 2024-09-30 09:41:27

品牌	Logo	应用领域
赛普拉斯 - CYPRESS		时钟发生器
页数	文件大小	规格书
14页	208K
描述
Two PLL Programmable Clock Generator with Spread Spectrum

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中文翻译

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数据手册

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CY25402_11 数据手册

CY25402/CY25422/CY25482

Two PLL Programmable Clock Generator

with Spread Spectrum

■ AbilitytosynthesizenonstandardfrequencieswithFractional-N

capability

Features

■ Two fully integrated phase locked loops (PLLs)

■ Three clock outputs with programmable drive strength

■ Glitch-free outputs while frequency switching

■ 8-pin small outline integrated circuit (SOIC) package

■ Commercial and Industrial temperature ranges

■ Input frequency range

❐ External crystal: 8 to 48 MHz

❐ External reference: 8 to 166 MHz clock

■ Reference clock input voltage range

❐ 2.5 V, 3.0 V, and 3.3 V for CY25482

❐ 1.8 V for CY25402 and CY25422

Benefits

■ Wide operating output frequency range

❐ 3 to 166 MHz

■ Multiple high performance PLLs allow synthesis of unrelated

frequencies

■ Nonvolatile programming for personalization of PLL

frequencies, spread spectrum characteristics, drive strength,

crystal load capacitance, and output frequencies

■ Programmable spread spectrum with center and down spread

option and lexmark and linear modulation profiles

■ V_DDsupply voltage options:

❐ 2.5 V, 3.0 V, and 3.3 V for CY25402 and CY25482

❐ 1.8 V for CY25422

■ Application specific programmableEMIreduction usingspread

spectrum for clocks

■ Programmable PLLs for system frequency margin tests

■ Selectable output clock voltages independent of V_DD

❐ 2.5 V, 3.0 V, and 3.3 V for CY25402 and CY25482

❐ 1.8 V for CY25422

■ Meets critical timing requirements in complex system designs

■ Suitability for PC, consumer, portable, and networking

applications

■ Frequency select feature with option to select four different

frequencies

■ Capable of zero parts per million (PPM) frequency synthesis

■ Power-down, Output Enable, and SS ON/OFF controls

■ Low jitter, high accuracy outputs

error

■ Uninterrupted system operation during clock frequency switch

■ Application compatibility in standard and low power systems

Block Diagram

Crossbar

XIN/

CLK1

Output

Switch

EXCLKIN

PLL 1

(SS)

OSC

Dividers

and

XOUT

MUX

and

REFOUT

CLK2

Drive

PLL 2

(SS)

Control

Logic

Strength

Control

FS0

FS1

SSON

PD#/OE

Cypress Semiconductor Corporation

Document #: 001-12565 Rev. *F

•

198 Champion Court

•

San Jose, CA 95134-1709

•

408-943-2600

Revised April 20, 2011

12 3 4 5 6 7...14

中文翻译

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与CY25402_11相关器件

型号	品牌	获取价格	描述	数据表
CY25402FSXC	CYPRESS	获取价格	Two PLL Programmable Clock Generator with Spread Spectrum
CY25402FSXI	CYPRESS	获取价格	Two PLL Programmable Clock Generator with Spread Spectrum
CY25402FSXIT	CYPRESS	获取价格	Two PLL Programmable Clock Generator with Spread Spectrum
CY25402SXC	CYPRESS	获取价格	Two PLL Programmable Clock Generator with Spread Spectrum
CY25402SXCT	CYPRESS	获取价格	Two PLL Programmable Clock Generator with Spread Spectrum
CY25402SXC-XXX	CYPRESS	获取价格	Two PLL Programmable Clock Generator with Spread Spectrum
CY25402SXC-XXXT	CYPRESS	获取价格	Two PLL Programmable Clock Generator with Spread Spectrum
CY25402SXI	CYPRESS	获取价格	Two PLL Programmable Clock Generator with Spread Spectrum
CY25402SXIT	CYPRESS	获取价格	Two PLL Programmable Clock Generator with Spread Spectrum
CY25402SXI-XXX	CYPRESS	获取价格	Two PLL Programmable Clock Generator with Spread Spectrum

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