概览
描述
The 841608I is an optimized PCIe and sRIO clock generator. The device uses a 25MHz parallel crystal to generate 100MHz and 125MHz clock signals, replacing solutions requiring multiple oscillator and fanout buffer solutions. The device has excellent phase jitter (<1ps rms) suitable for clock components requiring precise and low-jitter PCIe or sRIO or both clock signals. Designed for telecom, networking and industrial applications, the 841608I can also drive the high-speed sRIO and PCIe SerDes clock inputs of communication processors, DSPs, switches and bridges.
特性
- Eight HCSL outputs: configurable for PCIe (100MHz) and sRIO (125MHz) clock signals
- Selectable crystal oscillator interface, 25MHz, 18pF parallel resonant crystal or LVCMOS/LVTTL single-ended reference clock input
- Supports the following output frequencies: 100MHz or 125MHz
- VCO: 500MHz
- PLL bypass and output enable
- PCI Express® (2.5Gb/s) and Gen 2 (5 Gb/s) jitter compliant
- RMS phase jitter @125MHz, using a 25MHz crystal
(1.875MHz - 20MHz): 0.37ps (typical) - Full 3.3V power supply mode
- -40°C to 85°C ambient operating temperature
- Available in lead-free (RoHS 6) package
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