Datasheet4U Logo Datasheet4U.com

PCK946 Datasheet Low voltage 1 : 10 CMOS clock driver

Manufacturer: NXP Semiconductors

General Description

The PCK946 is a low voltage CMOS 1 : 10 clock buffer.

The 10 outputs can be configured into a standard fan-out buffer or into 1× and 1⁄2× combinations.

The ten outputs were designed and optimized to drive 50 Ω series or parallel terminated transmission lines.

Overview

PCK946 Low voltage 1 : 10 CMOS clock driver Rev.

01 — 13 December 2005 www.DataSheet4U.com Product data sheet 1.

Key Features

  • selectability to allow the user to select the ratio of 1× outputs to 1⁄2× outputs. Two independent LVCMOS/LVTTL compatible clock inputs are available. Designers can take advantage of this feature to provide redundant clock sources or the addition of a test clock into the system design. With the TCLK_SEL input pulled HIGH, the TCLK1 input is selected. All of the control inputs are LVCMOS/LVTTL compatible. The DSELn pins choose between 1× and 1⁄2× outputs. A LOW on the DSELn pins will select the 1.