840004AGI-01LF

840004AGI-01LF Datasheet

ICS840004I-01

Part	Datasheet
840004AGI-01LF	840004AGI-01LF (pdf)

Related Parts	Information
840004AGI-01LFT	840004AGI-01LFT

PDF Datasheet Preview
FEMTOCLOCK CRYSTAL-TO-LVCMOS/LVTTL FREQUENCY SYNTHESIZER ICS840004I-01 The ICS840004I-01 is a 4 output LVCMOS/LVTTL Synthesizer optimized to generate Ethernet HiPerClockS reference clock frequencies and is a member of the HiPerClocksTM family of high performance clock solutions from IDT. Using a 25MHz, 18pF parallel resonant crystal, the following frequencies can be generated based on the 2 frequency select pins F_SEL1:0 156.25MHz, 125MHz, and 62.5MHz. The ICS840004I-01 uses IDT’s 3rd generation low phase noise VCO technology and can achieve 1ps or lower typical random rms phase jitter, easily meeting Ethernet jitter requirements. The ICS840004I-01 is packaged in a small 20-pin TSSOP package. • Four single-ended LVCMOS/LVTTL outputs typical output impedance • Selectable crystal oscillator interface or single-ended input, Supports the following output frequencies 156.25MHz, 125MHz and 62.5MHz • VCO range 560MHz - 700MHz • RMS phase jitter at 156.25MHz 1.875MHz 20MHz : 0.52ps typical • Output supply modes: Core/Output 3.3V/3.3V 3.3V/2.5V 2.5V/2.5V • -40°C to 85°C ambient operating temperature • Available in both standard RoHS 5 and lead-free RoHS 6 packages Frequency Select Function Table for Ethernet Frequencies Inputs F_SEL1 F_SEL0 M Div. Value N Div. Value M/N Ratio Value Output Frequency MHz , 25MHz Reference 125 default Block Diagram OE Pullup F_SEL1:0 Pullup:Pullup nPLL_SEL Pulldown nXTAL_SEL Pulldown 25MHz XTAL_IN OSC 0 XTAL_OUT REF_CLK Pulldown Phase Detector F_SEL1:0 Ordering Information Table Ordering Information Part/Order Number 840004AGI-01 840004AGI-01T 840004AGI-01LF 840004AGI-01LFT Marking ICS40004AI01 ICS0004AI01L Package 20 Lead TSSOP 20 Lead TSSOP 20 Lead “Lead-Free” TSSOP 20 Lead “Lead-Free” TSSOP Shipping Packaging Tube 2500 Tape & Reel Tube 2500 Tape & Reel Temperature -40°C to 85°C -40°C to 85°C -40°C to 85°C -40°C to 85°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 and industrial applications. Any other applications, such as those requiring 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 / ICS LVCMOS/LVTTL FREQUENCY SYNTHESIZER ICS840004I-01 FEMTOCLOCKS CRYSTAL-TO-LVCMOS/LVTTL CLOCK SYNTHESIZER Table T5A - T5B Page 15 Description of Change Ordering Information Table - corrected standard marking and added lead-free marking. Date 10/22/07 10/30/08 IDT / ICS LVCMOS/LVTTL FREQUENCY SYNTHESIZER ICS840004I-01 FEMTOCLOCKS CRYSTAL-TO-LVCMOS/LVTTL CLOCK SYNTHESIZER Contact Information: Sales 800-345-7015 inside USA +408-284-8200 outside USA Fax 408-284-2775 Technical Support +480-763-2056 Corporate Headquarters Integrated Device Technology, Inc. 6024 Silver Creek Valley Road San Jose, CA 95138 United States 800-345-7015 inside USA +408-284-8200 outside USA 2008 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

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FEMTOCLOCK CRYSTAL-TO-LVCMOS/LVTTL FREQUENCY SYNTHESIZER

ICS840004I-01

The ICS840004I-01 is a 4 output LVCMOS/LVTTL

Synthesizer optimized to generate Ethernet

HiPerClockS reference clock frequencies and is a member of the

HiPerClocksTM family of high performance clock
solutions from IDT. Using a 25MHz, 18pF parallel
resonant crystal, the following frequencies can be generated
based on the 2 frequency select pins F_SEL1:0 156.25MHz,
125MHz, and 62.5MHz. The ICS840004I-01 uses IDT’s 3rd
generation low phase noise VCO technology and can achieve 1ps
or lower typical random rms phase jitter, easily meeting Ethernet
jitter requirements. The ICS840004I-01 is packaged in a small
20-pin TSSOP package.
• Four single-ended LVCMOS/LVTTL outputs
typical output impedance
• Selectable crystal oscillator interface or single-ended input,

Supports the following output frequencies 156.25MHz, 125MHz and 62.5MHz
• VCO range 560MHz - 700MHz
• RMS phase jitter at 156.25MHz 1.875MHz 20MHz :
0.52ps typical
• Output supply modes:

Core/Output
3.3V/3.3V
3.3V/2.5V
2.5V/2.5V
• -40°C to 85°C ambient operating temperature
• Available in both standard RoHS 5 and lead-free RoHS 6
packages Frequency Select Function Table for Ethernet Frequencies

Inputs

F_SEL1 F_SEL0 M Div. Value N Div. Value M/N Ratio Value Output Frequency MHz , 25MHz Reference
125 default

Block Diagram

OE Pullup F_SEL1:0 Pullup:Pullup
nPLL_SEL Pulldown nXTAL_SEL Pulldown
25MHz

XTAL_IN

OSC 0

XTAL_OUT

REF_CLK Pulldown

Phase Detector

F_SEL1:0
Ordering Information
Table Ordering Information

Part/Order Number 840004AGI-01 840004AGI-01T 840004AGI-01LF 840004AGI-01LFT

Marking ICS40004AI01 ICS0004AI01L

Package 20 Lead TSSOP 20 Lead TSSOP 20 Lead “Lead-Free” TSSOP 20 Lead “Lead-Free” TSSOP

Shipping Packaging Tube
2500 Tape & Reel Tube
2500 Tape & Reel

Temperature -40°C to 85°C -40°C to 85°C -40°C to 85°C -40°C to 85°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 and industrial applications. Any other applications, such as those requiring 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 / ICS LVCMOS/LVTTL FREQUENCY SYNTHESIZER

ICS840004I-01 FEMTOCLOCKS CRYSTAL-TO-LVCMOS/LVTTL CLOCK SYNTHESIZER

Table

T5A - T5B

Page 15

Description of Change
Ordering Information Table - corrected standard marking and added lead-free marking.

Date 10/22/07 10/30/08

IDT / ICS LVCMOS/LVTTL FREQUENCY SYNTHESIZER

ICS840004I-01 FEMTOCLOCKS CRYSTAL-TO-LVCMOS/LVTTL CLOCK SYNTHESIZER

Contact Information:

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

Technical Support
+480-763-2056

Corporate Headquarters

Integrated Device Technology, Inc. 6024 Silver Creek Valley Road San Jose, CA 95138 United States 800-345-7015 inside USA +408-284-8200 outside USA
2008 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 840004AGI-01LF Datasheet file may be downloaded here without warranties.

Datasheet ID: 840004AGI-01LF 637085