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com ICS557-08 2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS Description The ICS557-08 is a 2:1 multiplexer chip that allows the user to select one of the two HCSL (Host Clock Signal Level) or LVDS input pairs and fan out to one pair of differential HCSL or LVDS outputs.
This chip is suited especially for PCI-Express applications, where there is a need to select the PCI-Express clock either locally from the PCI-E card or from the motherboard.
Features • • • • • Packaged in 16-pin TSSOP Available in Pb (lead) free package Operating voltage of 3.
3 V Low power consumption Input clock frequency of up to 200 MHz for HCSL and up to 100 MHz for LVDS • Jitter 60 ps (cycle-to-cycle) Block D...

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