2

CDCE937, CDCEL937

SLAS564G – AUGUST 2007 – REVISED OCTOBER 2016

www.ti.com

Product Folder Links: CDCE937 CDCEL937

Submit Documentation Feedback

Copyright © 2007–2016, Texas Instruments Incorporated

Table of Contents

1

Features .................................................................. 1

2

Applications ........................................................... 1

3

Description ............................................................. 1

4

Revision History..................................................... 2

5

Pin Configuration and Functions ......................... 4

6

Specifications......................................................... 5

6.1

Absolute Maximum Ratings ...................................... 5

6.2

ESD Ratings.............................................................. 5

6.3

Recommended Operating Conditions ....................... 5

6.4

Thermal Information .................................................. 6

6.5

Electrical Characteristics........................................... 6

6.6

Timing Requirements: CLK_IN ................................. 8

6.7

Timing Requirements: SDA/SCL .............................. 8

6.8

EEPROM Specification ............................................. 8

6.9

Typical Characteristics .............................................. 9

7

Parameter Measurement Information ................ 10

8

Detailed Description ............................................ 11

8.1

Overview ................................................................. 11

8.2

Functional Block Diagram ....................................... 12

8.3

Feature Description................................................. 12

8.4

Device Functional Modes........................................ 15

8.5

Programming........................................................... 16

8.6

Register Maps ......................................................... 17

9

Application and Implementation ........................ 24

9.1

Application Information............................................ 24

9.2

Typical Application .................................................. 24

10

Power Supply Recommendations ..................... 29

11

Layout................................................................... 29

11.1

Layout Guidelines ................................................. 29

11.2

Layout Example .................................................... 30

12

Device and Documentation Support ................. 31

12.1

Device Support...................................................... 31

12.2

Documentation Support ........................................ 31

12.3

Receiving Notification of Documentation Updates 31

12.4

Community Resources.......................................... 31

12.5

Trademarks ........................................................... 31

12.6

Electrostatic Discharge Caution ............................ 31

12.7

Glossary ................................................................ 31

13

Mechanical, Packaging, and Orderable

Information ........................................................... 32

4 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision F (March 2010) to Revision G

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 Applications............................................................................................................................................................. 1

•

lfm), 74 (200 lfm), 74 (250 lfm), and 69 (500 lfm) To: 89.04 .................................................................................................. 6

•

Deleted Input Capacitance figure ......................................................................................................................................... 19

Changes from Revision E (October 2009) to Revision F

Page

•

Added PLL settings limits: 16

≤ q ≤ 63, 0 ≤ p ≤ 7, 0 ≤ r ≤ 511, 0 < N < 4096 foot to PLL1, PLL2, and PLL3 Configure

Register Table ...................................................................................................................................................................... 20

•

•

Changed under Example, fifth row, N", 2 places TO N' ....................................................................................................... 26

Changes from Revision D (September 2009) to Revision E

Page

•

Deleted sentence - A different default setting can be programmed on customer request. Contact Texas Instruments

sales or marketing representative for more information. ...................................................................................................... 14

Changes from Revision C (January 2009) to Revision D

Page

•

Added Note 3: SDA and SCL can go up to 3.6 V as stated in the Recommended Operating Conditions table ................... 5