


Microchip Technology
AT40K20-2CQI
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AT40K20-2CQI Description
The AT40K20-2CQI is a high-performance, contactless smart card IC from Microchip Technology. It is designed to provide secure and reliable identification and authentication for a wide range of applications.
Description:
The AT40K20-2CQI is a 2K EEPROM-based smart card IC that operates at 13.56 MHz. It is available in a compact, low-profile, and cost-effective package, making it ideal for a wide range of applications.
Features:
- 2K EEPROM memory for storing data and applications.
- Advanced encryption and security features, including SHA-1 and AES-128, to protect sensitive information.
- Fast read and write speeds, with a maximum read speed of up to 106 kbps and a maximum write speed of up to 42 kbps.
- Low power consumption, with a sleep current of only 2.5 μA.
- Robust communication and error detection capabilities, including CRC-16 and parity checks.
- Configurable I/O settings, allowing for easy integration into various systems and environments.
- Operating temperature range of -40°C to +105°C, ensuring reliable performance in a wide range of conditions.
Applications:
The AT40K20-2CQI is suitable for a variety of applications, including:
- Access control: Secure building and facility access, providing an additional layer of security.
- Identity verification: Verifying the identity of individuals for various purposes, such as age verification or voter registration.
- Payment systems: Contactless payment solutions, including credit and debit card transactions.
- Transportation: Ticketing and fare collection systems for public transportation.
- Healthcare: Secure patient identification and medical record access.
- Loyalty programs: Tracking customer loyalty and rewards.
- Event ticketing: Secure and convenient event entry and access control.
In summary, the AT40K20-2CQI from Microchip Technology is a versatile and secure smart card IC that offers a range of features and applications, making it an excellent choice for various industries and use cases.



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