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The PI6CG18401 is a 4-output very low power PCIe Gen1/Gen2/Gen3/ Gen4 clock generator. It uses 25MHz crystal or CMOS reference as an input to generate the 100MHz low power differential HCSL outputs with on-chip terminations. The on-chip termination can save 16 external resistors and make layout easier. An additional buffered reference output is provided to serve as a low noise reference for other circuitry.
It uses Diodes proprietary PLL design to achieve very low jitter that meets PCIe Gen1/Gen2/Gen3/Gen4 requirements. It also provides various options such as different slew rate and amplitude through strapping pins or SMBUS
so that users can configure the device easily to get the optimized performance for their individual boards. The device also supports selectable spread-spectrum options to reduce EMI for various applications.
1.8V supply voltage
Crystal/CMOS input: 25 MHz
4 differential low power HCSL outputs with on-chip termination
Individual output enable
Reference CMOS output
Programmable Slew rate and output amplitude for each output
Differential outputs blocked until PLL is locked
Selectable 0%, -0.25% or -0.5% spread on differential outputs
Environmental Compliance Legend: LFF: Pb-Free Finish and RoHS 5/6 TLFP: Totally Pb-Free Product and RoHS 6/6 LFGP: Pb-free Finish and Green Product, RoHS 5/6 and Halogen Free TPGP: Totally Pb-Free and Green Product, RoHS 6/6 and Halogen Free GREEN: Halogen-free and RoHS compliant RoHS: RoHS compliant but NOT halogen-free
Product Change Notices (PCNs)
A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.