概览
描述
The 844251I-15 is an Ethernet clock generator and a member of the HiPerClocks™ family of high performance devices. The 844251I-15 uses an 18pF parallel resonant crystal over the range of 23.2MHz - 30MHz. For Ethernet applications, a 25MHz crystal is used. The device has excellent <1ps phase jitter performance, over the 1.875MHz - 20MHz integration range. The 844251I-15 is packaged in a small 8-pin TSSOP, making it ideal for use in systems with limited board space.
特性
- One differential LVDS output pair
- Crystal oscillator interface designed for 18pF, parallel resonant crystal (23.2MHz – 30MHz)
- Output frequency ranges: 116MHz – 150MHz and 580MHz – 750MHz
- VCO range: 580MHz – 750MHz
- RMS phase jitter at 125MHz, using a 25MHz crystal (1.875MHz – 20MHz): 0.46ps (typical)
- Full 2.5V output supply mode
- -40°C to 85°C ambient operating temperature
- Available in a lead-free (RoHS 6) package
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