Table of Contents

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

2 Applications..................................................................... 1

3 Description.......................................................................1

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

5 Description (cont.)...........................................................3

6 Device Comparison......................................................... 3

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

8 Specifications.................................................................. 4

8.1 Absolute Maximum Ratings........................................ 4

8.2 ESD Ratings............................................................... 4

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

8.4 Thermal Information....................................................5

8.5 Electrical Characteristics.............................................5

8.6 1-Wire Interface Timing...............................................6

8.7 Security Engine Characteristics.................................. 7

8.8 EEPROM Characteristics............................................7

8.9 Timing Diagrams.........................................................8

8.10 Typical Characteristics............................................ 10

9 Detailed Description......................................................13

9.1 Overview................................................................... 13

9.2 Functional Block Diagram......................................... 13

9.3 Feature Description...................................................13

9.4 Device Functional Modes..........................................23

9.5 Programming............................................................ 37

9.6 Register Map.............................................................42

10 Application and Implementation................................ 53

10.1 Application Information........................................... 53

10.2 Typical Applications................................................ 53

10.3 Power Supply Recommendations...........................56

10.4 Layout..................................................................... 56

11 Device and Documentation Support..........................58

11.1 Documentation Support.......................................... 58

11.2 Receiving Notification of Documentation Updates.. 58

11.3 Support Resources................................................. 58

11.4 Trademarks............................................................. 58

11.5 Electrostatic Discharge Caution.............................. 58

11.6 Glossary.................................................................. 58

12 Mechanical, Packaging, and Orderable

Information.................................................................... 58

4 Revision History

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

Changes from Revision * (September 2022) to Revision A (May 2023)

Page

• Changed data sheet status from Advanced Information to Production Data......................................................1

• Added Functional Safety information to the Features section............................................................................ 1

• Added device comparison table..........................................................................................................................3

• Changed maximum operating temperature range for standard speed mode in footnote 2 ............................... 5

• Changed NGR package maximum accuracy for +10°C to +45°C from ±0.3°C to ±0.2°C and full range from

±1.0°C to ±0.4°C.................................................................................................................................................5

• Added accuracy specification for TMP1827N.....................................................................................................5

• Changed VIL of IO from 0.2×VS to 0.3×VS .........................................................................................................5

• Changed VIH of IO from 0.8×VS to 0.7×VS .........................................................................................................5

• Changed pullup current from 300 µA to 400 µA................................................................................................. 5

• Added standby current specification for continuous conversion mode...............................................................5

• Changed tSLOT minimum in standard mode from 60 µs to tWR0L + tRC .............................................................. 6

• Removed tSLOT maximum in standard mode......................................................................................................6

• Changed tSLOT minimum in overdrive mode from 11 µs to tWR0L + tRC ..............................................................6

• Changed tRL minimum from 2 µs to 2.5 µs......................................................................................................... 6

• Changed tREADIDLE from 400 µs to 560 µs..........................................................................................................7

• Changed IDD_PROG from 214 µA to 230 µA.........................................................................................................7

• Added typical Endurance spec for EEPROM..................................................................................................... 7

• Removed GPIO read and CRC byte from the GPIO WRITE section............................................................... 35

TMP1827

SBOSA15A – SEPTEMBER 2022 – REVISED MAY 2023

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