PCK942P Low Voltage 1 : 18 Clock Distribution Chip

The PCK942P is a 1 : 18 low voltage Clock Distribution chip with 2.5 V or 3.3 V LVCMOS output capabilities. The device is offered in two versions: the PCK942C has an LVCMOS input Clock while the PCK942P has a LVPECL input Clock The 18 outputs are 2.5 V or 3.3 V LVCMOS compatible and feature the drive strength to drive 50 Ohm series-terminated transmission lines. With output-to-output skews of 200 ps, the PCK942P is ideal as a Clock Distribution chip for the most demanding of synchronous systems. The 2.5 V output also makes the device ideal for supplying Clocks for a higher performance Pentium II microprocessor-based design. With a low output impedance of approximately 12 Ohm, in both the HIGH and LOW Logic states, the output Buffers of the PCK942P are ideal for driving series-terminated transmission lines. With an output impedance of 12 Ohm, the PCK942P CAN drive two series-terminated transmission lines from each output. This capability gives the PCK942P an effective fan-out of 1 : 36. The PCK942P provides enough copies of low skew Clocks for most high performance synchronous systems. The differential LVPECL inputs of the PCK942P allow the device to Interface directly with a LVPECL fan-out Buffer like the MC100EP111 to build very wide Clock fan-out trees or to couple to a high frequency Clock source. The OE pin will place the outputs to a high-impedance state. The OE pin has an internal pull-up resistor. The PCK942P is a single supply device. The VCC power pins require either 2.5 V or 3.3 V. The 32-lead LQFP package was chosen to optimize performance, board space, and cost of the device. The 32-lead LQFP package has a 7 mm X 7 mm body size with a conservative 0.8 mm pin spacing.
By NXP Semiconductors
PCK942P 's PackagesPCK942P 's pdf datasheet
PCK942PBD LQFP




PCK942P Pinout, Pinouts
PCK942P pinout,Pin out
This is one package pinout of PCK942P,If you need more pinouts please download PCK942P's pdf datasheet.

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