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DSA557-053344KL1VAO PDF预览

DSA557-053344KL1VAO

更新时间: 2024-11-22 10:17:47
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美国微芯 - MICROCHIP /
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20页 1139K
描述
Clock Generator

DSA557-053344KL1VAO 数据手册

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DSA557-03/04/05  
Multiple Output MEMS PCIe Gen1/2/3/4 Clocks for Automotive  
Features  
General Description  
• Automotive AEC-Q100 Qualified  
The DSA557 series of high performance PCI Express  
clock generators use  
a proven silicon MEMS  
• Complies with PCIe Gen1/2/3/4 Common Clock  
Spec  
technology to provide 100 MHz differential output  
clocks with excellent jitter and stability over a wide  
range of supply voltages and temperatures. By  
eliminating the need for quartz or SAW technology,  
MEMS oscillators significantly enhance reliability and  
accelerate product development, while meeting  
stringent clock performance criteria for a variety of  
communications, storage, and networking applications.  
• Integrated MEMS Resonator Eliminates the Need  
for External 25 MHz Crystal  
• Wide Temperature Range:  
- Automotive Grade 2: –40°C to +105°C  
- Automotive Grade 3: –40°C to +85°C  
• 100 MHz HCSL/LVDS/LVCMOS Options  
Available  
The DSA557-03/04/05 have two, three, and four  
100 MHz outputs, respectively. All have output  
enable/disable features.  
• Dedicated Output Pins for Clock Outputs  
• Small Footprints:  
- 14-Lead QFN (DSA557-03, Two Outputs)  
The DSA557-03 is available in a space-saving 14-lead  
QFN package. The DSA557-04 and DSA557-05 are  
available in a 20-lead VQFN.  
- 20-Lead VQFN (DSA557-04, Three Outputs;  
DSA557-05, Four Outputs)  
• Excellent Shock and Vibration Immunity  
- Qualified to MIL-STD-883  
Additional LVDS and LVCMOS output formats are  
available in addition to the default HCSL output format.  
• High Reliability  
- 20x Better MTF than Quartz Oscillators  
• Low Current Consumption: 30% Lower than  
Competing Devices  
• Supply Range of 2.25V to 3.63V  
• Lead-Free and RoHS Compliant  
Applications  
• Automotive Infotainment  
• Automotive ADAS  
• Autonomous Driving  
• In-Vehicle Network  
2019-2020 Microchip Technology Inc.  
DS20006175B-page 1  

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