概览
描述
The 8400110I is a Low Jitter Telecom Rate- Conversion PLL that provides accurate and reliable frequency conversion. The 8400110I generates a 65.536MHz clock that is either locked to the input reference or locked to the external crystal or oscillator. In the locked mode, the reference input is continuously monitored for a failure condition. In the event of a failure, the PLL continues to provide a stable free-running clock, ensuring system reliability.
特性
- One 65.536MHz output, synchronized to 8kHz reference
- One 25MHz output, buffered version of the internal osc output
- Provides lock and reference fail indication
- Free run mode when reference clock (REF) fails
- Automatic switch-over to reference when good reference (REF) is available
- 25MHz external master clock source: crystal or oscillator
- Full 3.3V operation
- -40°C to 85°C ambient operating temperature
- Available in a lead-free (RoHS 6) package
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设计和开发
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