概览
描述
The 8440258-46 is an 8-output synthesizer optimized to generate Ethernet clocks. The device will generate 125MHz and 25MHz clocks from a 25MHz crystal with a very good jitter performance. The 8440258-46 uses Renesas' third-generation low phase noise VCO technology and is packaged in a small, 5mm x 5mm VFQFN package.
特性
- Four differential LVDS outputs at 125MHz
- Two LVCMOS/LVTTL single-ended outputs at 125MHz
- Two LVCMOS/LVTTL single-ended outputs at 25MHz
- Selectable crystal oscillator interface or LVCMOS/LVTTL single-ended input
- RMS phase jitter at 125MHz, using a 25MHz crystal
(1.875MHz to 20MHz): 0.5ps (typical) - Full 2.5V supply mode
- 0 °C to 70 °C ambient operating temperature
- Lead-free (RoHS 6) packaging
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