MAX66301

RECOMMENDED FOR NEW DESIGNS

DeepCover Secure Authenticator with SHA-3 and RFID Reader Combines an Integrated RFID Reader for Contactless Communication at 13.56MHz and a SHA-3 Secure Authenticator Coprocessor

Analog Devices MAX66301 Product Info

10 February 2026 6

Features

Secure, Contactless Host Authenticator
- ISO/IEC 15693 and 14443 Type A Standard Compliant
- SHA-3 Engine to Run a Symmetric Key-Based Bidirectional Secure Authentication
- Four 32-Byte Pages of User Memory
- Four Main Secrets with Multiple Programmable Protection Options
- 76-Byte Scratchpad in SRAM
- True Hardware Random-Number Generator
- Unique 64-Bit Serial Number
Design Flexibility Supports Diverse Applications
- UART and SPI Interface Ports
- Power-Down Mode Selectable by an Input Pin (Low, Standby Power)
- Antenna Short-Circuit Protection
- Compatible with 3.3V or 5V Supply Voltages
- ±2kV HBM ESD Protection
Antenna Short-Circuit Protection Enhances System Ruggedness

Scalable 13.56MHz Analog Front-End Provides Support for Multiple Antenna Configurations
- Single- or Double-Antenna Driver Using On-Off Keying (OOK) Modulation
- User-Selectable ASK Uplink Modulations Index Adjustable from 7% to 30%
- High-Output RF Power of up to 200mW
- Multiple Receiver Inputs for High-Communication Reliability
- Built-In Receiver Lowpass-Filter Cutoff Frequencies Selectable Between 400kHz and 1MHz
- Selectable Built-In Receiver Highpass-Filter Cutoff Frequency: 100kHz, 200kHz, and 300kHz
- Selectable Receive Gain from 0dB up to 40dB
- Multiple Subcarrier Receiving Compatibility
- (212kHz and 424kHz)

Part details & applications

DeepCover^® embedded security solutions cloak sensitive data under multiple layers of advanced physical security to provide the most secure key storage possible.

The MAX66301 DeepCover secure authenticator combines a highly integrated RFID reader for contactless communication at 13.56MHz and a SHA-3 secure authenticator coprocessor. The RFID IC reader covers both the ISO 14443 Type A and ISO 15693 standards. The authenticator coprocessor's engine is based on the FIPS 202 standard and supports secure challenge-and-response authentication when paired with peripherals such as the MAX66250 transponder. An embedded host processor can easily interface with the MAX66301 using its UART or SPI interface.

APPLICATIONS

Secure Access Control
Asset-Tracking Readers
Authentication of Consumables
- Readers in Printers (Ink Cartridge)
- Blood Glucose Meters/Monitors
Handheld Reader Modules

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