ATSHA204-TH-DA-T Integrated Circuits (ICs)

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Integrated circuits, also known as ICs, are tiny chips that are used to control, receive and transmit information in electronic systems. Specialized ICs are integrated circuits that are specifically designed to handle tasks, such as secure authentication, digital signal processing, power management, and more. One such specialized IC is the ATSHA204-TH-DA-T, which is a secure authentication IC offering digital and analog parts. This IC is typically used in applications such as access control, retail transactions, secure payment services, contactless payment, and more.

The ATSHA204-TH-DA-T’s digital side is a cryptographic coprocessor that implements the latest secure authentication protocol and manages the execution of secure commands. It is based on Atmel’s ATSHA204, a high-performance cryptographic coprocessor that is the first to support the ECDSA (Elliptic Curve Digital Signature Algorithm) along with a range of established cryptographic algorithms. The device works by generating a cryptographic token for secure authentication, using the Elliptic Curve Digital Signature Algorithm, or ECDSA. The device also enables authentication and authentication attribute storage, supports secure storage for Master Secret and Subordinate Key, and provides a secure messaging framework to ensure security and authenticity of data exchanged over a secure channel.

The ATSHA204-TH-DA-T’s analog portion is based on Atmel’s ATB450-TH-Duino, an integrated circuit that provides the ATSHA204 with an analog interface. The ATB450-TH-Duino is an 8-bit RISC core that provides a low-power digital signal processing (DSP) platform. It features a hardware accelerated AES engine, hardware-based memory protection and debugging features, and a UART interface for communication with external controllers. The ATB450 also provides power management and error correction functions, a 10 MHz resonator oscillator, an adjustable LED driver and various analog peripherals.

The ATSHA204-TH-DA-T is designed for applications that require secure authentication such as access control, retail transactions, secure payment services, contactless payment, biometrics, and secure storage of customer information. It is also suitable for applications such as government ID cards, electronic passports, security dongles, automotive immobilizers, and in other areas where secure authentication is essential. The device is available as an IC or as a device assembly in various forms.

The ATSHA204-TH-DA-T provides a robust and proven secure authentication platform with secure messaging and a range of established cryptographic algorithms. The combination of digital and analog parts allows for secure authentication and quick processing while providing a low-power solution. With the secure authentication capability, the device is ideal for applications that require a high level of security, and the integrated RISC core and analog interface makes it an ideal choice for embedded applications.

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