MPC94551

Freescale Semiconductor Technical Data MPC94551 Rev 3, 2/2005 Low Voltage 1:4 CMOS Clock Buffer The MPC94551 is a CMOS 1:4 fanout buffer. The MPC94551 is ideal for applications requiring lower voltage. Features 1:4 CMOS fanout buffer 300 ps output to output skew I/O frequency up to 160 MHz operation Non-inverting output clock 3.3 V supply voltage Output Enable mode tri-states outputs -40°C to 85°C industrial temperature range www.DataSheet4U.com Standard 8-lead SOIC package 1:4 LVCMOS CLOCK BUFFER MPC94551 D SUFFIX 8-LEAD SOIC PACKAGE CASE 751-06 EF SUFFIX 8-LEAD SOIC PACKAGE Pb-FREE PACKAGE CASE 751-06 ORDERING INFORMATION Device MPC94551D MPC94551DR2 MPC94551EF MPC94551EFR2 Package SO-8 SO-8 SO-8 (Pb-FREE) SO-8 (Pb-FREE) Q1 ICLK 1 2 3 4 8 7 6 5 OE VDD GND Q4 Q2 ICLK Q3 Q1 Q2 Q4 Q3 OE Figure 1. Logic Diagram Figure 2. Pin Assignment © Freescale Semiconductor, Inc., 2005. All rights reserved. Table 1. Pin Description Pin Number 1 2 3 4 5 6 7 8 Pin Name ICLK Q1 Q2 Q3 Q4 GND VDD OE Pin Type Input Output Output Output Output Power Power Input Clock input, internal pull-up resistor Clock output(1) Clock output(1) Clock output(1) Clock output(1) Connect to ground(2) Connect to 3.3 V(2) Output enable, tri-states outputs when low, internal pull-up resistor Pin Description 1. A 33 Ω series terminating resistor may be used on each clock output if the trace is longer than 1 inch. 2. A decoupling capacitor of 0.01 µF should be connected between VDD on pin ...