84021 Data Sheet

260MHz, CRYSTAL-TO-LVCMOS/LVTTL FREQUENCY SYNTHESIZER

84021 Rev E 9/23/15

18

©2015 Integrated Device Technology, Inc

Revision History Sheet

Rev

Table

Page

Description of Change

Date

B

T2

4

12

Pin Characteristics Table - added ROUT rows.

Added Schematic Layout.

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

1/5/04

C

T6

T10

1

2

7

15

Features Section - added Lead-Free bullet.

Updated Parallel & Serial Load Operations Diagram.

Crystal Characteristics Table - added Drive Level.

Ordering Information Table - added Lead-Free package.

6/9/05

D

T4A

T6

T7A - T7C

T10

1

6

6

7

8 - 10

11

12

13

13

14

17

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.

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

coincide with 15

 V

DDA.

Added Recommendations for Unused Input & Output Pins.

Deleted Power Supply Filtering Techniques section, added to schematic layout.

Added Overdriving the XTAL Interface section.

Updated Layout Guideline and diagram.

Ordering Information Table - updated Part/Order Numbers and Marking to revision “B”.

Converted datasheet format.

1/5/11

E

T7A

8

13

AC Characteristics Table - corrected Period Jitter N = 4 spec, from 32.2ps max. to 34.2ps

max.

Deleted Crystal Input Interface section, added to the schematic.

8/18/11

E

T10

17

Ordering Information - removed leaded device.

9/23/15