ATECC608A
Microchip CryptoAuthentication™ Device
Features
Cryptographic Co-Processor with Secure Hardware-based Key Storage:
Protected Storage for up to 16 Keys, Certificates or Data
Hardware Support for Asymmetric Sign, Verify, Key Agreement:
ECDSA: FIPS186-3 Elliptic Curve Digital Signature
ECDH: FIPS SP800-56A Elliptic Curve Diffie-Hellman
NIST Standard P256 Elliptic Curve Support
Hardware Support for Symmetric Algorithms:
SHA-256 & HMAC Hash including off-chip context save/restore
AES-128: Encrypt/Decrypt, Galois Field Multiply for GCM
Networking Key Management Support:
Turnkey PRF/HKDF calculation for TLS 1.2 & 1.3
Ephemeral key generation and key agreement in SRAM
Small message encryption with keys entirely protected
Secure Boot Support:
Full ECDSA code signature validation, optional stored digest/signature
Optional communication key disablement prior to secure boot
Encryption/Authentication for messages to prevent on-board attacks
Internal High-Quality NIST SP 800-90A/B/C Random Number Generator (RNG)
Two High-Endurance Monotonic Counters
Guaranteed Unique 72-bit Serial Number
Two Interface Options Available:
High-speed Single Pin Interface with One GPIO Pin
1 MHz Standard I
2
C Interface
1.8V to 5.5V IO Levels, 2.0V to 5.5V Supply Voltage
<150 nA Sleep Current
8-pad UDFN and 8-lead SOIC Packages
Applications
IoT network endpoint key management & exchange
Encryption for small messages and PII data
Secure Boot and Protected Download
Ecosystem Control, Anti-cloning
© 2017 Microchip Technology Inc.
Datasheet Summary
DS40001977A-page 1
Pin Configuration and Pinouts
Table 1. Pin Configuration
Pin Function
NC No Connect
GND Ground
SDA Serial Data
SCL Serial Clock Input
VCC Power Supply
Figure 1. Pinouts
1
2
3
4
NC
NC
NC
GND
8
7
6
5
V
CC
NC
SCL
SDA
8-pad UDFN
(Top View)
1
2
3
4
NC
NC
NC
GND
8
7
6
5
V
CC
NC
SCL
SDA
8-lead SOIC
(Top View)
3-lead Contact
(Top View)
1
2
3
SDA
GND
V
CC
ATECC608A
© 2017 Microchip Technology Inc.
Datasheet Summary
DS40001977A-page 2
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

ATECC608A-MAHDA-S

Mfr. #:
Manufacturer:
Microchip Technology
Description:
Security ICs / Authentication ICs ECC/ECDSA/ECDHE I2C small 3K reel UDFN
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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