概览
描述
9EPRS525 is compliant Intel CK505 Yellow Cover specification. This clock synthesizer provides a single chip solution for Intel desktop chipsets. 9EPRS525 is driven with a 14.318MHz crystal. It also provides a tight ppm accuracy output for Serial ATA and PCI-Express support.
特性
- 2 - CPU differential low power push-pull pairs
- 7 - SRC differential push-pull pairs
- 1 - CPU/SRC selectable differential low power push-pull pair
- 1 - SRC/DOT selectable differential low power push-pull pair
- 1 - SRC/SE selectable differential push-pull pair/Single-ended outputs
- 5 - PCI, 33MHz
- 1 - USB, 48MHz
- 1 - REF, 14.318MHz
- CPU outputs cycle-cycle jitter < 85ps
- SRC output cycle-cycle jitter < 125ps
- PCI outputs cycle-cycle jitter < 250ps
- +/- 100ppm frequency accuracy on all outputs
- SRC outputs meet PCIe Gen2 when sourced from PLL3
- Supports spread spectrum modulation, 0 to -0.5% down spread
- Supports CPU clks up to 400MHz
- Uses external 14.318MHz crystal, external crystal load caps are required for frequency tuning
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应用
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