Table of Contents

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

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

1.

Introduction............................................................................................................................................. 4

1.1.

Applications.................................................................................................................................. 4

1.2.

Device Features........................................................................................................................... 4

1.3.

Cryptographic Operation.............................................................................................................. 5

Pin Configuration and Pinouts........................................................................................................................2

2.

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

2.1.

Absolute Maximum Ratings..........................................................................................................6

2.2.

Reliability...................................................................................................................................... 6

2.3.

AC Parameters: All I/O Interfaces................................................................................................ 6

2.3.1.

AC Parameters: Single-Wire Interface...........................................................................7

2.3.2.

AC Parameters: I2C Interface........................................................................................ 9

2.4.

DC Parameters: All I/O Interfaces.............................................................................................. 10

2.4.1.

VIH and VIL Specifications............................................................................................10

3.

Compatibility..........................................................................................................................................12

3.1.

Microchip ATECC608A...............................................................................................................12

3.2.

Microchip ATECC508A...............................................................................................................12

3.3.

Microchip ATSHA204A, ATECC108A.........................................................................................13

4.

Package Marking Information............................................................................................................... 14

5.

Package Drawings................................................................................................................................ 15

5.1.

8-lead SOIC................................................................................................................................15

5.2.

8-pad UDFN............................................................................................................................... 18

5.3.

3 Lead Contact........................................................................................................................... 21

6.

Revision History.................................................................................................................................... 23

The Microchip Website.................................................................................................................................24

Product Change Notification Service............................................................................................................24

Customer Support........................................................................................................................................ 24

Product Identification System.......................................................................................................................25

Microchip Devices Code Protection Feature................................................................................................ 26

Legal Notice................................................................................................................................................. 26

Trademarks.................................................................................................................................................. 26

Quality Management System....................................................................................................................... 27

Worldwide Sales and Service.......................................................................................................................28

ATECC608B

© 2020 Microchip Technology Inc.

Summary Datasheet

DS40002239A-page 3