The ATSHA204A-XHDA-T is an Authenticator CMOS device manufactured by MICROCHIP TECH. It is designed to provide high security for various applications. With a storage capacity of 4.5KB, this 8-pin device offers secure, tamper-proof authentication and cryptographic functionalities. The ATSHA204A-XHDA-T is housed in a TSOP package, making it suitable for space-constrained applications. This device is provided in tape and reel packaging for easy handling and assembly in mass production. Trustworthy and reliable, the ATSHA204A-XHDA-T is an excellent choice for enhancing security in embedded systems and IoT devices.