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840004I-01 - Crystal-to-LVCMOS/LVTTL Frequency Synthesizer

Key Features

  • The 840004I-01 is a 4 output LVCMOS/LVTTL Synthesizer optimized to generate Ethernet reference clock frequencies. Using a 25MHz, 18pF parallel resonant crystal, the following frequencies can be generated based on the 2 frequency select pins (F_SEL1:0): 156.25MHz, 125MHz, and 62.5MHz. The 840004I-01 uses IDT’s 3rd generation low phase noise VCO technology and can achieve 1ps or lower typical random rms phase jitter, easily meeting Ethernet jitter requirements. The 840004I-01 is packaged in a sma.

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Datasheet Details

Part number 840004I-01
Manufacturer Renesas
File Size 505.39 KB
Description Crystal-to-LVCMOS/LVTTL Frequency Synthesizer
Datasheet download datasheet 840004I-01 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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FemtoClock® Crystal-to-LVCMOS/ LVTTL Frequency Synthesizer 840004I-01 Datasheet General Description Features The 840004I-01 is a 4 output LVCMOS/LVTTL Synthesizer optimized to generate Ethernet reference clock frequencies. Using a 25MHz, 18pF parallel resonant crystal, the following frequencies can be generated based on the 2 frequency select pins (F_SEL1:0): 156.25MHz, 125MHz, and 62.5MHz. The 840004I-01 uses IDT’s 3rd generation low phase noise VCO technology and can achieve 1ps or lower typical random rms phase jitter, easily meeting Ethernet jitter requirements. The 840004I-01 is packaged in a small 20-pin TSSOP package.