843156AKLF

843156AKLF Datasheet

ICS843156

Part	Datasheet
843156AKLF	843156AKLF (pdf)

Related Parts	Information
843156AKLFT	843156AKLFT

PDF Datasheet Preview
Crystal-to-LVPECL Clock Synthesizer ICS843156 DATA SHEET HiPerClockS The ICS843156 is a high frequency clock generator. The ICS843156 uses an external 25MHz crystal to synthesize 156.25MHz clock. The ICS843156 has excellent cycle-to-cycle and RMS period jitter performance. The ICS843156 operates at full 3.3V and 2.5V, or mixed 3.3V/2.5V operating supplies and is available in a fully RoHS compliant 32-lead VFQFN package. Output Frequency Table • Ten differential LVPECL outputs of 156.25MHz • Crystal oscillator interface designed for 18pF, 25MHz parallel resonant crystal • Cycle-to-cycle jitter 40ps maximum • RMS phase jitter at 156.25MHz 1.875MHz - 20MHz : 0.39ps typical • Output Duty Cycle 45% 55% • Full 3.3V and 2.5V, or mixed 3.3V/2.5V supply modes • 0°C to 70°C ambient operating temperature • Available in lead-free RoHS 6 package Crystal Frequency MHz Feedback Divider VCO Frequency MHz Output Divider Output Frequency MHz Pin Assignment VCC TEST_CLK VEE BYPASS VCCA QA0 nQA0 VCCO Block Diagram BYPASS Pulldown TEST_CLK Pulldown XTAL_IN XTAL_OUT 25MHz Phase Detector 625MHz ÷25 32 31 30 29 28 27 26 25 XTAL_IN 1 24 QA1 XTAL_OUT 2 23 nQA1 VCC 3 nQC1 4 ICS843156 22 QA2 21 nQA2 QC1 5 20 QA3 nQC0 6 19 nQA3 QC0 7 18 QA4 VCCO 8 17 nQA4 Ordering Information Table Ordering Information Part/Order Number 843156AKLF 843156AKLFT Marking ICS843156AL Package “Lead-Free” 32 Lead VFQFN “Lead-Free” 32 Lead VFQFN Shipping Packaging Tray 2500 Tape & Reel Temperature 0°C to 70°C 0°C to 70°C NOTE Parts that are ordered with an "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant. 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 ranges, 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. 2009 Integrated Device Technology, Inc. ICS843156 Data Sheet CRYSTAL-TO-LVPECL CLOCK SYNTHESIZER 6024 Silver Creek Valley Road San Jose, California 95138 Sales 800-345-7015 inside USA +408-284-8200 outside USA Fax 408-284-2775 Technical Support +480-763-2056 DISCLAIMER Integrated Device Technology, Inc. IDT and its subsidiaries reserve the right to modify the products and/or specifications described herein at any time and at IDT’s sole discretion. All information in this document, including descriptions of product features and performance, is subject to change without notice. Performance specifications and the operating parameters of the described products are determined in the independent state and are not guaranteed to perform the same way when installed in customer products. The information contained herein is provided without representation or warranty of any kind, whether express or implied, including, but not limited to, the suitability of IDT’s products for any particular purpose, an implied warranty of merchantability, or non-infringement of the intellectual property rights of others. This document is presented only as a guide and does not convey any license under intellectual property rights of IDT or any third parties. IDT’s products are not intended for use in life support systems or similar devices where the failure or malfunction of an IDT product can be reasonably expected to significantly affect the health or safety of users. Anyone using an IDT product in such a manner does so at their own risk, absent an express, written agreement by IDT. Integrated Device Technology, IDT and the IDT logo are registered trademarks of IDT. Other trademarks and service marks used herein, including protected names, logos and designs, are the property of IDT or their respective third party owners. Copyright All rights reserved.

PDF Datasheet Preview

Crystal-to-LVPECL Clock Synthesizer

ICS843156

DATA SHEET

HiPerClockS

The ICS843156 is a high frequency clock generator. The ICS843156 uses an external 25MHz crystal to synthesize 156.25MHz clock. The ICS843156 has excellent cycle-to-cycle and RMS period jitter performance.

The ICS843156 operates at full 3.3V and 2.5V, or mixed 3.3V/2.5V operating supplies and is available in a fully RoHS compliant 32-lead VFQFN package.

Output Frequency Table
• Ten differential LVPECL outputs of 156.25MHz
• Crystal oscillator interface designed for 18pF, 25MHz parallel
resonant crystal
• Cycle-to-cycle jitter 40ps maximum
• RMS phase jitter at 156.25MHz 1.875MHz - 20MHz :
0.39ps typical
• Output Duty Cycle 45% 55%
• Full 3.3V and 2.5V, or mixed 3.3V/2.5V supply modes
• 0°C to 70°C ambient operating temperature
• Available in lead-free RoHS 6 package

Crystal Frequency MHz Feedback Divider VCO Frequency MHz Output Divider

Output Frequency MHz

Pin Assignment

VCC TEST_CLK VEE BYPASS VCCA QA0 nQA0 VCCO

Block Diagram

BYPASS Pulldown

TEST_CLK Pulldown

XTAL_IN XTAL_OUT
25MHz

Phase

Detector
625MHz
÷25
32 31 30 29 28 27 26 25

XTAL_IN 1
24 QA1

XTAL_OUT 2
23 nQA1

VCC 3 nQC1 4

ICS843156
22 QA2 21 nQA2

QC1 5
20 QA3
nQC0 6
19 nQA3

QC0 7
18 QA4

VCCO 8
17 nQA4
Ordering Information
Table Ordering Information

Part/Order Number 843156AKLF 843156AKLFT

Marking ICS843156AL

Package “Lead-Free” 32 Lead VFQFN “Lead-Free” 32 Lead VFQFN

Shipping Packaging Tray
2500 Tape & Reel

Temperature 0°C to 70°C 0°C to 70°C

NOTE Parts that are ordered with an "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant.

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 ranges, 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.
2009 Integrated Device Technology, Inc.

ICS843156 Data Sheet

CRYSTAL-TO-LVPECL CLOCK SYNTHESIZER
6024 Silver Creek Valley Road San Jose, California 95138

Sales
800-345-7015 inside USA +408-284-8200 outside USA Fax 408-284-2775

Technical Support
+480-763-2056

DISCLAIMER Integrated Device Technology, Inc. IDT and its subsidiaries reserve the right to modify the products and/or specifications described herein at any time and at IDT’s sole discretion. All information in this document, including descriptions of product features and performance, is subject to change without notice. Performance specifications and the operating parameters of the described products are determined in the independent state and are not guaranteed to perform the same way when installed in customer products. The information contained herein is provided without representation or warranty of any kind, whether express or implied, including, but not limited to, the suitability of IDT’s products for any particular purpose, an implied warranty of merchantability, or non-infringement of the intellectual property rights of others. This document is presented only as a guide and does not convey any license under intellectual property rights of IDT or any third parties.

IDT’s products are not intended for use in life support systems or similar devices where the failure or malfunction of an IDT product can be reasonably expected to significantly affect the health or safety of users. Anyone using an IDT product in such a manner does so at their own risk, absent an express, written agreement by IDT.

Integrated Device Technology, IDT and the IDT logo are registered trademarks of IDT. Other trademarks and service marks used herein, including protected names, logos and designs, are the property of IDT or their respective third party owners.

Copyright All rights reserved.

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 843156AKLF Datasheet file may be downloaded here without warranties.

Datasheet ID: 843156AKLF 637109