概览
描述
The IDT9ZX21201 is a 12-output DB1200Z suitable for PCI Express® Gen3 or QPI applications. The part is backwards compatible to PCIe Gen1 and Gen2. A fixed external feedback maintains low drift for critical QPI applications. In bypass mode, the IDT9ZX21201 can provide outputs up to 150MHz.
特性
- Cycle-to-cycle jitter <50ps
- Output-to-output skew < 65 ps
- Input-to-output delay variation <50ps
- PCIe Gen3 phase jitter < 1.0ps RMS
- QPI 9.6GT/s 12UI phase jitter < 0.2ps RMS
- Space-saving 64-pin packages
- Fixed feedback path/ 0ps input-to-output delay
- 9 Selectable SMBus Addresses/Multiple devices can share the same SMBus Segment
- 12 OE# pins/Hardware control of each output
- PLL or bypass mode/PLL can dejitter incoming clock
- 100MHz or 133MHz PLL mode operation/supports PCIe and QPI applications
- Selectable PLL bandwidth/minimizes jitter peaking in downstream PLL's
- Spread Spectrum Compatible/tracks spreading input clock for low EMI
- Software control of PLL Bandwidth and Bypass Settings/ PLL can dejitter incoming clock (B Rev only)
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