ICS551M

ICS551M Datasheet

ICS551

Part	Datasheet
ICS551M	ICS551M (pdf)

Related Parts	Information
ICS551MT	ICS551MT
ICS551MIT	ICS551MIT
ICS551MI	ICS551MI

PDF Datasheet Preview
1 TO 4 CLOCK BUFFER DATASHEET ICS551 The ICS551 is a low cost, high-speed single input to four output clock buffer. Part of IDT’s ClockBlocksTM family, this is our lowest cost, small clock buffer. See the ICS552-02B for monolithic dual version of the ICS551 in a 20 pin QSOP. IDT makes many non-PLL and PLL based low skew output devices as well as Zero Delay Buffers to synchronize clocks. Contact IDT for all of your clocking needs. • Low skew 250 ps outputs • Pb-free packaging available • Low cost clock buffer • Packaged in 8-pin SOIC • Input/Output clock frequency up to 160 MHz • Non-inverting output clock • Ideal for networking clocks • Operating Voltages of and V • Output Enable mode tri-states outputs • Advanced, low power CMOS process • Commercial and industrial temperature versions NOTE EOL for non-green parts to occur on 5/13/10 per PDN U-09-01 Block Diagram ICLK Q1 Q2 Q3 Q4 Output Enable IDT 1 TO 4 CLOCK BUFFER ICS551 ICS551 1 TO 4 CLOCK BUFFER Pin Assignment ICLK 1 Q1 2 Q2 3 Q3 4 8 OE 7 VDD 6 GND 5 Q4 8 Pin 150 mil SOIC FAN OUT BUFFER Pin Descriptions Pin Number 1 2 3 4 5 6 7 8 Pin Name ICLK Q1 Q2 Q3 Q4 GND VDD OE Pin Type Pin Description Input Clock input. Internal pull-up resistor. Output Clock output Output Clock output Output Clock output Output Clock output Power Connect to ground. Power Connect to V or V. Input Output Enable. Tri-states outputs when low. Internal pull-up resistor. External Components A minimum number of external components are required for proper operation. A decoupling capacitor of µF should be connected between VDD on pin 7 and GND on pin 6, as close to the device as possible. A series terminating resistor may be used on each clock output if the trace is longer than 1 inch. IDT 1 TO 4 CLOCK BUFFER ICS551 ICS551 1 TO 4 CLOCK BUFFER FAN OUT BUFFER Ordering Information Part / Order Number 551M* 551MT* 551MLF 551MLFT 551MLN 551MLNT 551MI* 551MIT* 551MILF 551MILFT Marking ICS551M 551MLF 551MLN ICS551MI 551MILF Shipping Packaging Tubes Tape and Reel Tubes Tape and Reel Tubes Tape and Reel Tubes Tape and Reel Tubes Tape and Reel Package 8-pin SOIC 8-pin SOIC 8-pin SOIC 8-pin SOIC 8-pin SOIC 8-pin SOIC 8-pin SOIC 8-pin SOIC 8-pin SOIC 8-pin SOIC Temperature 0 to +70 ° C 0 to +70 ° C 0 to +70 ° C 0 to +70 ° C 0 to +70 ° C 0 to +70 ° C -40 to +85 ° C -40 to +85 ° C -40 to +85 ° C -40 to +85 ° C *NOTE EOL for non-green parts to occur on 5/13/10 per PDN U-09-01 Parts that are ordered with a "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant. “LN” denotes parts that are Pb free and annealed. While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology IDT assumes no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would result from its use. No other circuits, patents, or licenses are implied. This product is intended for use in normal commercial applications. Any other applications such as those requiring extended temperature range, high reliability, or other extraordinary environmental requirements are not recommended without additional processing by IDT. IDT reserves the right to change any circuitry or specifications without notice. IDT does not authorize or warrant any IDT product for use in life support devices or critical medical instruments. IDT 1 TO 4 CLOCK BUFFER ICS551 ICS551 1 TO 4 CLOCK BUFFER FAN OUT BUFFER Innovate with IDT and accelerate your future networks. Contact: For Sales 800-345-7015 408-284-8200 Fax 408-284-2775 For Tech Support Corporate Headquarters Integrated Device Technology, Inc. 2006 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. IDT and the IDT logo are trademarks of Integrated Device Technology, Inc. Accelerated Thinking is a service mark of Integrated Device Technology, Inc. All other brands, product names and marks are or may be trademarks or registered trademarks used to identify products or services of their respective owners. Printed in USA

PDF Datasheet Preview

1 TO 4 CLOCK BUFFER

DATASHEET

ICS551

The ICS551 is a low cost, high-speed single input to four output clock buffer. Part of IDT’s ClockBlocksTM family, this is our lowest cost, small clock buffer.

See the ICS552-02B for monolithic dual version of the ICS551 in a 20 pin QSOP.

IDT makes many non-PLL and PLL based low skew output devices as well as Zero Delay Buffers to synchronize clocks. Contact IDT for all of your clocking needs.
• Low skew 250 ps outputs
• Pb-free packaging available
• Low cost clock buffer
• Packaged in 8-pin SOIC
• Input/Output clock frequency up to 160 MHz
• Non-inverting output clock
• Ideal for networking clocks
• Operating Voltages of and V
• Output Enable mode tri-states outputs
• Advanced, low power CMOS process
• Commercial and industrial temperature versions

NOTE EOL for non-green parts to occur on 5/13/10 per PDN U-09-01

Block Diagram

ICLK

Q1 Q2 Q3 Q4

Output Enable

IDT 1 TO 4 CLOCK BUFFER

ICS551

ICS551 1 TO 4 CLOCK BUFFER

Pin Assignment

ICLK 1 Q1 2 Q2 3 Q3 4
8 OE 7 VDD 6 GND 5 Q4
8 Pin 150 mil SOIC

FAN OUT BUFFER

Pin Descriptions

Pin Number
1 2 3 4 5 6 7 8

Pin Name

ICLK Q1 Q2 Q3 Q4 GND VDD OE

Pin Type

Pin Description

Input Clock input. Internal pull-up resistor.

Output Clock output

Output Clock output

Output Clock output

Output Clock output

Power Connect to ground.

Power Connect to V or V.

Input Output Enable. Tri-states outputs when low. Internal pull-up resistor.

External Components

A minimum number of external components are required for proper operation. A decoupling capacitor of µF should be connected between VDD on pin 7 and GND on pin 6, as close to the device as possible. A series terminating resistor may be used on each clock output if the trace is longer than 1 inch.

IDT 1 TO 4 CLOCK BUFFER

ICS551

ICS551 1 TO 4 CLOCK BUFFER

FAN OUT BUFFER
Ordering Information

Part / Order Number
551M* 551MT* 551MLF 551MLFT 551MLN 551MLNT 551MI* 551MIT* 551MILF 551MILFT

Marking

ICS551M 551MLF 551MLN ICS551MI 551MILF

Shipping Packaging

Tubes Tape and Reel

Tubes Tape and Reel

Tubes Tape and Reel

Tubes Tape and Reel

Tubes Tape and Reel

Package
8-pin SOIC 8-pin SOIC 8-pin SOIC 8-pin SOIC 8-pin SOIC 8-pin SOIC 8-pin SOIC 8-pin SOIC 8-pin SOIC 8-pin SOIC

Temperature
0 to +70 ° C 0 to +70 ° C 0 to +70 ° C 0 to +70 ° C 0 to +70 ° C 0 to +70 ° C -40 to +85 ° C -40 to +85 ° C -40 to +85 ° C -40 to +85 ° C
*NOTE EOL for non-green parts to occur on 5/13/10 per PDN U-09-01

Parts that are ordered with a "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant.
“LN” denotes parts that are Pb free and annealed.

While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology IDT assumes no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would result from its use. No other circuits, patents, or licenses are implied. This product is intended for use in normal commercial applications. Any other applications such as those requiring extended temperature range, high reliability, or other extraordinary environmental requirements are not recommended without additional processing by IDT. IDT reserves the right to change any circuitry or specifications without notice. IDT does not authorize or warrant any IDT product for use in life support devices or critical medical instruments.

IDT 1 TO 4 CLOCK BUFFER

ICS551

ICS551 1 TO 4 CLOCK BUFFER

FAN OUT BUFFER

Innovate with IDT and accelerate your future networks. Contact:

For Sales
800-345-7015 408-284-8200 Fax 408-284-2775

For Tech Support

Corporate Headquarters

Integrated Device Technology, Inc.
2006 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. IDT and the IDT logo are trademarks of Integrated Device Technology, Inc. Accelerated Thinking is a service mark of Integrated Device Technology, Inc. All other brands, product names and marks are or may be trademarks or registered trademarks used to identify products or services of their respective owners. Printed in USA

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived ICS551M Datasheet file may be downloaded here without warranties.

Datasheet ID: ICS551M 637005