SHA-3 Authenticator. DS28C50 Datasheet

DS28C50 Authenticator. Datasheet pdf. Equivalent


Maxim Integrated DS28C50
Click here for production status of specific part numbers.
DS28C50
DeepCover® I2C Secure SHA-3 Authenticator
with ChipDNA PUF Protection
General Description
The DS28C50 secure authenticator combines
FIPS202-compliant secure hash algorithm (SHA-3) chal-
lenge and response authentication with Maxim’s patented
ChipDNA™ technology, a physically unclonable function
(PUF) to provide a cost-effective solution with the ultimate
protection against security attacks. The ChipDNA imple-
mentation utilizes the random variation of semiconductor
device characteristics that naturally occur during wafer
fabrication. The ChipDNA circuit generates a unique out-
put value that is repeatable over time, temperature, and
operating voltage. Attempts to probe or observe ChipDNA
operation modifies the underlying circuit characteristics,
thus preventing discovery of the unique value used by the
chip cryptographic functions. The DS28C50 utilizes the
ChipDNA output as key content to cryptographically se-
cure all device-stored data. With ChipDNA capability, the
device provides a core set of cryptographic tools derived
from integrated blocks including a SHA-3 engine, a FIPS/
NIST compliant true random number generator (TRNG),
2Kb of secured EEPROM, a decrement-only counter and
a unique 64-bit ROM identification number (ROM ID). The
unique ROM ID is used as a fundamental input parameter
for cryptographic operations and serves as an electronic
serial number within the application. The DS28C50 com-
municates over a I2C network.
Applications
● Authentication of Medical Sensors and Tools
● Secure Management of Limited Use Consumables
● IoT Node Crypto-Protection
● Accessory and Peripheral Secure Authentication
● Printer Cartridge Identification and Authentication
Benefits and Features
● Robust Countermeasures Protect Against Security
Attacks
• Patented Physically Unclonable Function Secures
Device Data
• Actively Monitored Die Shield Detects and Reacts
to Intrusion Attempts
• All Stored Data Cryptographically Protected from
Discovery
● Efficient Secure Hash Algorithm Authenticates
Peripherals
• FIPS 202-Compliant SHA-3 Algorithm for
Challenge/Response Authentication
• FIPS 198-Compliant Keyed-Hash Message
Authentication Code (HMAC)
• TRNG with NIST SP 800-90B Compliant Entropy
Source
● Supplemental Features Enable Easy Integration into
End Application
• 17-Bit One-Time Settable, Nonvolatile Decrement
Only Counter with Authenticated Read
• One GPIO Pin with Optional Authentication Control
• 2Kb of EEPROM for User Data, Key, and Control
Registers
• Unique and Unalterable Factory Programmed
64-Bit Identification Number (ROM ID)
• Operating Range: 3.3V ±10%, -40°C to +85°C
• 6-Pin TDFN-EP Package (3mm x 3mm)
• I2C Communication, Up to 1MHz
Ordering Information appears at end of data sheet.
DeepCover is a registered trademark and ChipDNA is a trademark of Maxim Integrated Products, Inc.
19-100643; Rev 0; 9/19


DS28C50 Datasheet
Recommendation DS28C50 Datasheet
Part DS28C50
Description I2C Secure SHA-3 Authenticator
Feature DS28C50; Click here for production status of specific part numbers. DS28C50 DeepCover® I2C Secure SHA-3 Aut.
Manufacture Maxim Integrated
Datasheet
Download DS28C50 Datasheet




Maxim Integrated DS28C50
DS28C50
Typical Application Circuit
VCC
DeepCover® I2C Secure SHA-3 Authenticator with
ChipDNA PUF Protection
VCC
I2C
µC PORT
GND
SDA VCC GPIO
SCL DS2477
GND IO
IO
VCC PIO
SSDCALDS28C50
GND
IO
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19-100643
Maxim Integrated | 2



Maxim Integrated DS28C50
DS28C50
DeepCover® I2C Secure SHA-3 Authenticator with
ChipDNA PUF Protection
TABLE OF CONTENTS
General Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Benefits and Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Typical Application Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Absolute Maximum Ratings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Package Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
6 TDFN-EP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6 TDFN-EP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Detailed Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Design Resource Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Memory Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Open-Drain GPIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Decrement Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
I2C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
General Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Slave Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
I2C Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Bus Idle or Not Busy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
START Condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
STOP Condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Repeated START Condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Data Valid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
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19-100643
Maxim Integrated | 3







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