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557G-05ALFTR PDF预览

557G-05ALFTR

更新时间: 2024-11-25 15:25:59
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
12页 310K
描述
Clock Generator, PDSO20

557G-05ALFTR 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:TSSOP, TSSOP20,.25Reach Compliance Code:compliant
风险等级:5.84JESD-30 代码:R-PDSO-G20
JESD-609代码:e3湿度敏感等级:1
端子数量:20最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP20,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
电源:3.3 V认证状态:Not Qualified
子类别:Clock Generators标称供电电压:3.3 V
表面贴装:YES温度等级:COMMERCIAL
端子面层:Matte Tin (Sn) - annealed端子形式:GULL WING
端子节距:0.635 mm端子位置:DUAL
Base Number Matches:1

557G-05ALFTR 数据手册

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DATASHEET  
QUAD DIFFERENTIAL PCI-EXPRESS CLOCK SOURCE  
ICS557-05A  
Description  
Features  
The ICS557-05A is a spread-spectrum clock generator that  
supports PCI-Express requirements. It is used in PC or  
embedded systems to substantially reduce  
electro-magnetic interference (EMI). The device provides  
four differential HCSL or LVDS high-frequency outputs with  
spread spectrum capability. The output frequency and  
spread type are selectable using external pins.  
Packaged in 20-pin TSSOP  
Available in RoHS 5 (green) or RoHS 6 (green and lead  
free) complaint package  
Supports PCI-Express applications  
Four differential spread spectrum clock outputs  
Spread spectrum for EMI reduction  
Uses external 25 MHz clock or crystal input  
Power down pin turns off chip  
OE control tri-states outputs  
Spread and frequency selection via external pins  
Spread Bypass option available  
Industrial temperature range available  
Block Diagram  
VDD  
PD  
OE  
2
Spread  
Spectrum/  
Output  
Spread  
Spectrum  
Circuitry  
3
SEL[2:0]  
X1  
clock  
selection  
CLKOUTA  
CLKOUTA  
CLKOUTB  
25 MHz  
crystal or  
clock  
Clock  
Oscillator  
PLL Clock  
Synthesis  
CLKOUTB  
CLKOUTC  
X2  
CLKOUTC  
CLKOUTD  
Optional tuning crystal  
capacitors  
CLKOUTD  
2
Rr(IREF)  
GND  
IDT™ / ICS™ QUAD DIFFERENTIAL PCI-EXPRESS CLOCK SOURCE  
1
ICS557-05A  
REV G 062607  

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