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MPC9446

Part Number	MPC9446
Manufacturer	Motorola
Description	2.5V and 3.3V LVCMOS Clock Fanout Buffer
Published	Jan 15, 2006
Detailed Description	MOTOROLA Freescale SEMICONDUCTOR TECHNICAL DATA Semiconductor, Inc. Order Number: MPC9446/D Rev 1, 03/2002 2.5V and 3...
Datasheet	MPC9446 PDF File

Overview

MOTOROLA Freescale SEMICONDUCTOR TECHNICAL DATA Semiconductor, Inc.
Order Number: MPC9446/D Rev 1, 03/2002 2.
5V and 3.
3V LVCMOS Clock Fanout Buffer The MPC9446 is a 2.
5V and 3.
3V compatible 1:10 clock distribution buffer designed for low-voltage mid-range to high-performance telecom, networking and computing applications.
Both 3.
3V, 2.
5V and dual supply voltages are supported for mixed-voltage applications.
The MPC9446 offers 10 low-skew outputs and 2 selectable inputs for clock redundancy.
The outputs are configurable and support 1:1 and 1:2 output to input frequency ratios.
The MPC9446 is specified for the extended temperature range of --40°C to 85°C.
Features • Configurable 10 outputs LVCMOS clock distribution buffer MPC9446 LOW VOLTAGE SINGLE OR DUAL SUPPLY 2.
5V AND 3.
3V LVCMOS CLOCK DISTRIBUTION BUFFER Freescale Semiconductor, Inc.
.
.
• Compatible to single, dual and mixed 3.
3V/2.
5V voltage supply • Wide range output clock frequency up to 250 MHz • Designed for mid-range to high-performance telecom, networking and computer applications • • • • • • Supports applications requiring clock redundancy Max.
output skew of 200 ps (150 ps within one bank) Selectable output configurations per output bank Tristable outputs 32 ld LQFP package FA SUFFIX LQFP PACKAGE CASE 873A Ambient operating temperature range of --40 to 85°C Functional Description The MPC9446 is a full static fanout buffer design supporting clock frequencies up to 250 MHz.
The signals are generated and retimed on-chip to ensure minimal skew between the three output banks.
Two independent LVCMOS compatible clock inputs are available.
This feature supports redundant clock sources or the addition of a test clock into the system design.
Each of the three output banks can be individually supplied by 2.
5V or 3.
3V supporting mixed voltage applications.
The FSELx pins choose between division of the input reference frequency by one or two.
The frequency divider can be set individually for each of the thre...

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