5V925BQGI

5V925BQGI Datasheet

IDT5V925BI

Part	Datasheet
5V925BQGI	5V925BQGI (pdf)

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Programmable LVCMOS/LVTTL Clock Generator IDT5V925BI DATA SHEET The IDT5V925BI is a high-performance, low skew, low jitter phase-locked loop PLL clock driver. It provides precise phase and frequency alignment of its clock outputs to an externally applied clock input or internal crystal oscillator. The IDT5V925BI has been specially designed to interface with Gigabit Ethernet and Fast Ethernet applications by providing a 125MHz clock from 25MHz input. It can also be programmed to provide output frequencies ranging from 3.125MHz to 160MHz with input frequencies ranging from 3.125MHz to 80MHz. The IDT5V925BI includes an internal RC filter that provides excellent jitter characteristics and eliminates the need for external components. When using the optional crystal input, the chip accepts a 10-30MHz fundamental mode crystal with a maximum equivalent series resistance of The on-chip crystal oscillator includes the feedback resistor and crystal capacitors nominal load capacitance is 18pF . • Ethernet/fast ethernet • Router • Network switches • SAN • Instrumentation Block Diagram • 3V to 3.6V operating voltage • 3.125MHz to 160MHz output frequency range • Four programmable frequency LVCMOS/LVTTL outputs • Input from fundamental crystal oscillator or external source • Balanced drive outputs ±12mA • PLL disable mode for low frequency testing • Select inputs S[1:0] for divide selection multiply ratio of 2, 3, 4, 5, 6, 7 and 8 • 5V tolerant inputs • Low output skew/jitter • External PLL feedback, internal loop filter • -40°C to 85°C ambient operating temperature • Available in Lead-free RoHS 6 package Pin Assignment S1 1 S0 2 GNDQ 3 VDDQ 4 X1 5 X2 6 CLKIN 7 FB 8 16 VDD 15 GND 14 Q2 13 Q1 12 Q0 11 Q/N 10 GND IDT5V925BI 16 LEAD QSOP x package body Q Package Top View S0 S1 FB CLKIN PHASE DETECTOR X1 OPTIONAL CRYSTAL XTAL OSC LOOP FILTER VCO 0 1 SELECT MODE DIVIDE 2013 Integrated Device Technology, Inc. IDT5V925BI Data Sheet PROGRAMMABLE LVCMOS/LVTTL CLOCK GENERATOR Table Pin Descriptions Number Name Type S1, S0 Input Pullup/ Pulldown Three level divider/mode select pins. Float to MID. GNDQ Power Ground supply for PLL. VDDQ Power Ordering Information Table Ordering Information Part/Order Number 5V925BQGI 5V925BQGI8 Marking IDT5V925BQGI Package “Lead-Free” 16 Lead QSOP “Lead-Free” 16 Lead QSOP Shipping Packaging Tube 3000 Tape & Reel Temperature -40C to 85C -40C to 85C NOTE Parts that are ordered with an "G" 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. 2013 Integrated Device Technology, Inc. IDT5V925BI Data Sheet PROGRAMMABLE LVCMOS/LVTTL CLOCK GENERATOR Page 8 10 16 Description of Change Applications for Unused I/O Pins application note - corrected Input descriptions. Deleted Overdriving the XTAL Interface application note. Removed leaded parts from ordering information table Date 1/21/11 01/07/13 2013 Integrated Device Technology, Inc. IDT5V925BI Data Sheet PROGRAMMABLE LVCMOS/LVTTL CLOCK GENERATOR We’ve Got Your Timing Solution 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.

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Programmable LVCMOS/LVTTL Clock Generator

IDT5V925BI

DATA SHEET

The IDT5V925BI is a high-performance, low skew, low jitter phase-locked loop PLL clock driver. It provides precise phase and frequency alignment of its clock outputs to an externally applied clock input or internal crystal oscillator. The IDT5V925BI has been specially designed to interface with Gigabit Ethernet and Fast Ethernet applications by providing a 125MHz clock from 25MHz input. It can also be programmed to provide output frequencies ranging from 3.125MHz to 160MHz with input frequencies ranging from 3.125MHz to 80MHz. The IDT5V925BI includes an internal RC filter that provides excellent jitter characteristics and eliminates the need for external components. When using the optional crystal input, the chip accepts a 10-30MHz fundamental mode crystal with a maximum equivalent series resistance of The on-chip crystal oscillator includes the feedback resistor and crystal capacitors nominal load capacitance is 18pF .
• Ethernet/fast ethernet
• Router
• Network switches
• SAN
• Instrumentation

Block Diagram
• 3V to 3.6V operating voltage
• 3.125MHz to 160MHz output frequency range
• Four programmable frequency LVCMOS/LVTTL outputs
• Input from fundamental crystal oscillator or external source
• Balanced drive outputs ±12mA
• PLL disable mode for low frequency testing
• Select inputs S[1:0] for divide selection multiply ratio of 2, 3, 4,
5, 6, 7 and 8
• 5V tolerant inputs
• Low output skew/jitter
• External PLL feedback, internal loop filter
• -40°C to 85°C ambient operating temperature
• Available in Lead-free RoHS 6 package

Pin Assignment

S1 1 S0 2 GNDQ 3 VDDQ 4 X1 5 X2 6 CLKIN 7 FB 8
16 VDD 15 GND 14 Q2 13 Q1 12 Q0 11 Q/N 10 GND

IDT5V925BI
16 LEAD QSOP x package body

Q Package Top View

S0 S1

FB CLKIN

PHASE DETECTOR

X1 OPTIONAL

CRYSTAL

XTAL OSC

LOOP FILTER

VCO 0 1

SELECT MODE

DIVIDE
2013 Integrated Device Technology, Inc.

IDT5V925BI Data Sheet

PROGRAMMABLE LVCMOS/LVTTL CLOCK GENERATOR

Table Pin Descriptions

Number

Name

Type

S1, S0

Input

Pullup/ Pulldown

Three level divider/mode select pins. Float to MID.

GNDQ

Power

Ground supply for PLL.

VDDQ

Power
Ordering Information
Table Ordering Information

Part/Order Number 5V925BQGI 5V925BQGI8

Marking IDT5V925BQGI

Package “Lead-Free” 16 Lead QSOP “Lead-Free” 16 Lead QSOP

Shipping Packaging Tube
3000 Tape & Reel

Temperature -40C to 85C -40C to 85C

NOTE Parts that are ordered with an "G" 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.
2013 Integrated Device Technology, Inc.

IDT5V925BI Data Sheet

PROGRAMMABLE LVCMOS/LVTTL CLOCK GENERATOR

Page 8 10 16
Description of Change Applications for Unused I/O Pins application note - corrected Input descriptions. Deleted Overdriving the XTAL Interface application note. Removed leaded parts from ordering information table

Date 1/21/11 01/07/13
2013 Integrated Device Technology, Inc.

IDT5V925BI Data Sheet

PROGRAMMABLE LVCMOS/LVTTL CLOCK GENERATOR

We’ve Got Your Timing Solution
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 5V925BQGI Datasheet file may be downloaded here without warranties.

Datasheet ID: 5V925BQGI 636629