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參數資料
| 型號： | CY25100ZXC-XXXWT |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | Field- and Factory-Programmable Spread Spectrum Clock Generator for EMI Reduction |
| 中文描述： | 200 MHz, OTHER CLOCK GENERATOR, PDSO8 |
| 封裝： | 4.40 MM, LEAD FREE, TSSOP-8 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 279K |
| 代理商： | CY25100ZXC-XXXWT |
Field- and Factory-Programmable Spread Spectrum
Clock Generator for EMI Reduction
CY25100
Cypress Semiconductor Corporation
Document #: 38-07499 Rev. *D
3901 North First Street
San Jose
,
CA 95134
408-943-2600
Revised March 24, 2004
Features
Wide operating output (SSCLK) frequency range
— 3–200 MHz
Programmable spread spectrum with nominal 31.5-kHz
modulation frequency
— Center spread: ±0.25% to ±2.5%
— Down spread: –0.5% to –5.0%
Input frequency range
— External crystal: 8–30 MHz fundamental crystals
— External reference: 8–166 MHz Clock
Integrated phase-locked loop (PLL)
Field-programmable
— CY25100SCF and CY25100SIF, 8-pin SOIC
— CY25100ZCF and CY25100ZIF, 8-pin TSSOP
Programmable crystal load capacitor tuning array
Low cycle-to-cycle jitter
3.3V operation
Commercial and Industrial operation
Spread Spectrum On/Off function
Power-down or Output Enable function
Benefits
Services most PC peripherals, networking, and consumer
applications.
Provides wide range of spread percentages for maximum
electromagnetic interference (EMI) reduction, to meet
regulatory agency electromagnetic compliance (EMC)
requirements. Reduces development and manufacturing
costs and time-to-market.
Eliminates the need for expensive and difficult to use
higher-order crystals.
Internal PLL to generate up to 200-MHz output. Able to
generate custom frequencies from an external crystal or a
driven source.
In-house programming of samples and prototype quantities
is available using the CY3672 programming kit and
CY3690 (TSSOP) or CY3691 (SOIC) socket adapter.
Production quantities are available through Cypress’s
value-added distribution partners or by using third-party
programmers from BP Microsystems, HiLo Systems, and
others.
Enables fine-tuning of output clock frequency by adjusting
C
Load
of the crystal. Eliminates the need for external C
Load
capacitors.
Suitable for most PC, consumer, and networking applica-
tions
Application compatibility in standard and low-power
systems
Provides ability to enable or disable spread spectrum with
an external pin.
Enables low-power state or output clocks to High-Z state.
Logic Block Diagram
PLL
with
MODULATION
CONTROL
PROGRAMMABLE
CONFIGURATION
OUTPUT
DIVIDERS
and
MUX
3
2
4
8
1
5
7
6
VDD
VSS
REFCLK
SSCLK
XOUT
XIN
PD# or OE
SSON#
RFB
C
XOUT
C
XIN
4
8
VDD
6
7
VSS
REFCLK
SSON#
1
2
3
XOUT
XIN/CLKIN
PD#/OE
SSCLK
5
Pin Configuration
CY25100
8-pin SOIC/TSSOP
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| CY25100ZXI-XXXWT | Field- and Factory-Programmable Spread Spectrum Clock Generator for EMI Reduction |
| CY25100ZXIF | Field- and Factory-Programmable Spread Spectrum Clock Generator for EMI Reduction |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| CY25100ZXI011 | 功能描述:時鐘發(fā)生器及支持產品 Spread Spectrum Clk Gen EMI reduction RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| CY25100ZXI011T | 功能描述:時鐘發(fā)生器及支持產品 Spread Spectrum Clk Gen EMI reduction RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| CY25100ZXI057 | 功能描述:時鐘發(fā)生器及支持產品 Spread Spectrum Clk Gen EMI reduction RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| CY25100ZXI057T | 功能描述:時鐘發(fā)生器及支持產品 Spread Spectrum Clk Gen EMI reduction RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| CY25100ZXI08 | 功能描述:時鐘發(fā)生器及支持產品 Advncd PREMIS Spread Spctrum Clk Synthszr RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
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