THS789 Datasheet, PDF (2/34 Pages) Texas Instruments – THS789 Quad-Channel Time Measurement Unit (TMU)

THS789
SLOS776A – SEPTEMBER 2012 – REVISED DECEMBER 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 5
6.1 Absolute Maximum Ratings ...................................... 5
6.2 ESD Ratings ............................................................ 5
6.3 Recommended Operating Conditions....................... 5
6.4 Thermal Information .................................................. 5
6.5 Electrical Characteristics........................................... 6
6.6 Host Serial Interface DC Characteristics .................. 7
6.7 Host Serial Interface AC Characteristics................... 7
6.8 Power Consumption.................................................. 7
6.9 Typical Characteristics ............................................. 7
7 Detailed Description .............................................. 8
7.1 Overview ................................................................... 8
7.2 Functional Block Diagram ......................................... 8
7.3 Feature Description................................................... 9
7.4 Device Functional Modes ....................................... 10
7.5 Programming .......................................................... 12
7.6 Register Maps ........................................................ 17
8 Application and Implementation ........................ 22
8.1 Application Information............................................ 22
8.2 Typical Application ................................................. 23
9 Power Supply Recommendations...................... 30
10 Layout................................................................... 30
10.1 Layout Guidelines ................................................. 30
10.2 Layout Example .................................................... 31
10.3 Thermal Considerations ........................................ 32
11 Device and Documentation Support ................. 33
11.1 Community Resources.......................................... 33
11.2 Trademarks ........................................................... 33
11.3 Electrostatic Discharge Caution ............................ 33
11.4 Glossary ................................................................ 33
12 Mechanical, Packaging, and Orderable
Information ........................................................... 33
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Original (September 2012) to Revision A
Page
• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation
section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section ................................................................................................. 1
• Changed Thermal Information table ....................................................................................................................................... 5
• Updated decoupling capacitor values in Figure 16 ............................................................................................................. 32
2
Submit Documentation Feedback
Product Folder Links: THS789
Copyright © 2012–2015, Texas Instruments Incorporated