Table of Contents
Features.......................................................................................................................... 1
Applications..................................................................................................................... 1
Pin Configuration and Pinouts.........................................................................................2
1. Introduction................................................................................................................5
1.1. Applications..................................................................................................................................5
1.2. Device Features........................................................................................................................... 5
1.3. Cryptographic Operation.............................................................................................................. 6
2. Electrical Characteristics........................................................................................... 7
2.1. Absolute Maximum Ratings*........................................................................................................ 7
2.2. Reliability......................................................................................................................................7
2.3. AC Parameters: All I/O Interfaces................................................................................................ 7
2.3.1. AC Parameters: Single-Wire Interface...........................................................................8
2.3.2. AC Parameters: I
2
C Interface...................................................................................... 10
2.4. DC Parameters: All I/O Interfaces.............................................................................................. 11
2.4.1. V
IH
and V
IL
Specifications............................................................................................ 11
3. Compatibility............................................................................................................ 14
3.1. Microchip ATECC508A...............................................................................................................14
3.1.1. New Features in ATECC608A vs. ATECC508A.......................................................... 14
3.1.2. Features Eliminated in ATECC608A vs. ATECC508A.................................................14
3.2. Microchip ATSHA204A, ATECC108A.........................................................................................15
4. Package Marking Information..................................................................................16
5. Package Drawings...................................................................................................17
5.1. 8-lead SOIC................................................................................................................................17
5.2. 8-pad UDFN............................................................................................................................... 20
6. Revision History.......................................................................................................23
The Microchip Web Site................................................................................................ 24
Customer Change Notification Service..........................................................................24
Customer Support......................................................................................................... 24
Product Identification System........................................................................................25
Microchip Devices Code Protection Feature................................................................. 26
Legal Notice...................................................................................................................26
© 2017 Microchip Technology Inc.
Datasheet Summary
DS40001977A-page 3