84021BYLF

84021BYLF Datasheet

84021

Part	Datasheet
84021BYLF	84021BYLF (pdf)

Related Parts	Information
84021BYLFT	84021BYLFT

PDF Datasheet Preview
260MHz, Crystal-to-LVCMOS/LVTTL Frequency Synthesizer 84021 DATA SHEET The 84021 is a general purpose, Crystal-to-LVCMOS/LVTTL High Frequency Synthesizer. The 84021 has a selectable TEST_CLK or crystal input. The VCO operates at a frequency range of 620MHz to 780MHz. The VCO frequency is programmed in steps equal to the value of the input reference or crystal frequency. The VCO and output frequency can be programmed using the serial or parallel interface to the configuration logic. • Two LVCMOS/LVTTL outputs • Selectable crystal oscillator interface or LVCMOS/LVTTL TEST_CLK • Output frequency range 103.3MHz to 260MHz • Crystal input frequency range 14MHz to 40MHz • VCO range 620MHz to 780MHz • Parallel or serial interface for programming counter and output dividers • RMS period jitter 14.7ps typical , N ÷ 4, VDDO = 3.3V±5% • RMS phase jitter at 155.52MHz, using a 38.88MHz crystal 12kHz to 20MHz 2.61ps typical Offset Noise Power 100Hz.................-87.9 dBc/Hz 1kHz dBc/Hz 10kHz dBc/Hz 100kHz dBc/Hz • Full 3.3V or mixed 3.3V core/2.5V or 1.8V output supply voltage • 0°C to 70°C ambient operating temperature • Industrial temperature information available upon request • Available in lead-free RoHS 6 package Block Diagram OE0 Pullup OE1 Pullup VCO_SEL Pullup XTAL_SEL Pullup TEST_CLK Pulldown XTAL_IN XTAL_OUT OSC 1 MR Pulldown S_LOAD Pulldown S_DATA Pulldown S_CLOCK Pulldown nP_LOAD Pulldown Phase Detector VCO 0 ÷3 ÷4 Configuration Interface Logic M[0:8] M5 Pullup M[0:4, 6:8] Pulldown N[0:1] Pulldown Q0 Q1 TEST Pin Assignment M4 M3 M2 M1 M0 VCO_SEL nP_LOAD XTAL_IN Ordering Information Table Ordering Information Part/Order Number 84021BYLF 84021BYLFT Marking ICS84021BYLF Package “Lead-Free” 32 Lead LQFP “Lead-Free” 32 Lead LQFP Shipping Packaging Tray 1000 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. 2015 Integrated Device Technology, Inc 84021 Data Sheet 260MHz, CRYSTAL-TO-LVCMOS/LVTTL FREQUENCY SYNTHESIZER Table Page Description of Change Pin Characteristics Table - added ROUT rows. 12 Added Schematic Layout. Changed XTAL naming convention to XTAL_IN/XTAL_OUT throughout the data sheet. 1/5/04 C T6 T10 Features Section - added Lead-Free bullet. Updated Parallel & Serial Load Operations Diagram. Crystal Characteristics Table - added Drive Level. 15 Ordering Information Table - added Lead-Free package. 6/9/05 Features section - updated RMS period jitter spec in bullet added RMS phase jitter bullet. Block Diagram - added pullups/pulldowns to input pins and added “N” in output divider box. Absolute Maximum Ratings - updated Inputs, VI. Power Supply DC Characteristics - updated VDDA, IDD, IDDA and IDDO specs. Crystal Characteristics - deleted Drive Level row. T7A - T7C 8 - 10 Updated Period Jitter, Output Rise/Fall Time and Output Duty Cycle specs. Added thermal note. Parameter Measurement Information - corrected Output Load AC Test Circuit diagrams to 1/5/11 coincide with VDDA. 12 Added Recommendations for Unused Input & Output Pins. 13 Deleted Power Supply Filtering Techniques section, added to schematic layout. 13 Added Overdriving the XTAL Interface section. 14 Updated Layout Guideline and diagram. Converted datasheet format. T7A E AC Characteristics Table - corrected Period Jitter N = 4 spec, from 32.2ps max. to 34.2ps max. 8/18/11 13 Deleted Crystal Input Interface section, added to the schematic. 17 Ordering Information - removed leaded device. 9/23/15 2015 Integrated Device Technology, Inc Corporate Headquarters 6024 Silver Creek Valley Road San Jose, CA 95138 USA Sales 1-800-345-7015 or 408-284-8200 Fax 408-284-2775 Tech Support email: 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 applications involving extreme environmental conditions or 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. 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. Integrated Device Technology, IDT and the IDT logo are registered trademarks of IDT. Product specification subject to change without notice. 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 2015 Integrated Device Technology, Inc.. All rights reserved.

PDF Datasheet Preview

260MHz, Crystal-to-LVCMOS/LVTTL Frequency Synthesizer
84021

DATA SHEET

The 84021 is a general purpose, Crystal-to-LVCMOS/LVTTL High Frequency Synthesizer. The 84021 has a selectable TEST_CLK or crystal input. The VCO operates at a frequency range of 620MHz to 780MHz. The VCO frequency is programmed in steps equal to the value of the input reference or crystal frequency. The VCO and output frequency can be programmed using the serial or parallel interface to the configuration logic.
• Two LVCMOS/LVTTL outputs
• Selectable crystal oscillator interface or LVCMOS/LVTTL

TEST_CLK
• Output frequency range 103.3MHz to 260MHz
• Crystal input frequency range 14MHz to 40MHz
• VCO range 620MHz to 780MHz
• Parallel or serial interface for programming counter and output
dividers
• RMS period jitter 14.7ps typical , N ÷ 4, VDDO = 3.3V±5%
• RMS phase jitter at 155.52MHz, using a 38.88MHz crystal 12kHz
to 20MHz 2.61ps typical

Offset

Noise Power
100Hz.................-87.9 dBc/Hz
1kHz dBc/Hz
10kHz dBc/Hz
100kHz dBc/Hz
• Full 3.3V or mixed 3.3V core/2.5V or 1.8V output supply voltage
• 0°C to 70°C ambient operating temperature
• Industrial temperature information available upon request
• Available in lead-free RoHS 6 package

Block Diagram

OE0 Pullup OE1 Pullup VCO_SEL Pullup

XTAL_SEL Pullup

TEST_CLK Pulldown

XTAL_IN XTAL_OUT

OSC 1

MR Pulldown

S_LOAD Pulldown S_DATA Pulldown S_CLOCK Pulldown nP_LOAD Pulldown

Phase Detector

VCO 0
÷3 ÷4

Configuration Interface Logic

M[0:8] M5 Pullup M[0:4, 6:8] Pulldown N[0:1] Pulldown

Q0 Q1 TEST

Pin Assignment

M4 M3 M2 M1 M0 VCO_SEL nP_LOAD XTAL_IN
Ordering Information
Table Ordering Information

Part/Order Number 84021BYLF 84021BYLFT

Marking ICS84021BYLF

Package “Lead-Free” 32 Lead LQFP “Lead-Free” 32 Lead LQFP

Shipping Packaging Tray
1000 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.
2015 Integrated Device Technology, Inc
84021 Data Sheet
260MHz, CRYSTAL-TO-LVCMOS/LVTTL FREQUENCY SYNTHESIZER

Table

Page Description of Change

Pin Characteristics Table - added ROUT rows.
12 Added Schematic Layout.

Changed XTAL naming convention to XTAL_IN/XTAL_OUT throughout the data sheet.
1/5/04

C T6 T10

Features Section - added Lead-Free bullet.

Updated Parallel & Serial Load Operations Diagram.

Crystal Characteristics Table - added Drive Level.
15 Ordering Information Table - added Lead-Free package.
6/9/05

Features section - updated RMS period jitter spec in bullet added RMS phase jitter bullet.

Block Diagram - added pullups/pulldowns to input pins and added “N” in output divider box.

Absolute Maximum Ratings - updated Inputs, VI.

Power Supply DC Characteristics - updated VDDA, IDD, IDDA and IDDO specs.

Crystal Characteristics - deleted Drive Level row.

T7A - T7C 8 - 10 Updated Period Jitter, Output Rise/Fall Time and Output Duty Cycle specs. Added thermal note.

Parameter Measurement Information - corrected Output Load AC Test Circuit diagrams to
1/5/11
coincide with VDDA.
12 Added Recommendations for Unused Input & Output Pins.
13 Deleted Power Supply Filtering Techniques section, added to schematic layout.
13 Added Overdriving the XTAL Interface section.
14 Updated Layout Guideline and diagram.
Converted datasheet format.

T7A E

AC Characteristics Table - corrected Period Jitter N = 4 spec, from 32.2ps max. to 34.2ps
max.
8/18/11
13 Deleted Crystal Input Interface section, added to the schematic.
17 Ordering Information - removed leaded device.
9/23/15
2015 Integrated Device Technology, Inc

Corporate Headquarters 6024 Silver Creek Valley Road San Jose, CA 95138 USA

Sales 1-800-345-7015 or 408-284-8200 Fax 408-284-2775

Tech Support email:

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 applications involving extreme environmental conditions or 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.

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.

Integrated Device Technology, IDT and the IDT logo are registered trademarks of IDT. Product specification subject to change without notice. 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 2015 Integrated Device Technology, Inc.. 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 84021BYLF Datasheet file may be downloaded here without warranties.

Datasheet ID: 84021BYLF 636695