AT97SC3205T-U3A14-10

Overview

The AT97SC3205T-U3A14-10 is a Trusted Platform Module (TPM) compliant with the TCG TPM Version 1.2 specification. It integrates an Atmel AVR RISC microprocessor, hardware asymmetric crypto engine, and internal EEPROM for RSA key storage. The device supports I2C communication at 400kHz Fast Mode or 100kHz Standard Mode. It features FIPS-140-2 certification for its RNG, HMAC, AES, SHA, and RSA engines. The component operates on a 3.3V supply voltage and includes 2066 bytes of NV storage for user-defined data.

Feature Summary

• Compliant with Trusted Computing Group (TCG) TPM Version 1.2 Specification
• FIPS-140-2 certified hardware crypto engine including RNG, HMAC, AES, SHA, and RSA
• Integrated Atmel AVR RISC Microprocessor with internal EEPROM for RSA keys
• I2C interface supporting 400kHz Fast Mode and 100kHz Standard Mode

Applications

• Embedded systems requiring trusted platform module integration
• Hardware security modules utilizing I2C communication
• Applications requiring FIPS-140-2 certified random number generation and cryptographic operations

Procurement Notes

Verify the specific ordering suffix U3A14-10 against official Microchip documentation to confirm package type and temperature range. Confirm current availability status as product lifecycles may change. Ensure compatibility with system I2C pull-up requirements for stable operation at 400kHz.

Selection Notes

Select this component for applications requiring TCG TPM 1.2 compliance via I2C. Choose between 28-lead Thin TSSOP or 32-pad QFN packages based on board space constraints. Verify that the operational temperature range meets the specific environmental requirements of the target embedded system.

Part Context

The AT97SC3205T is part of the Atmel/Microchip security IC portfolio designed for embedded systems. It serves as a single-chip turnkey solution for implementing trusted computing functions. The device provides secure hardware and firmware design with dedicated physical security circuitry.

Replacement Considerations

Consult official Microchip documentation for verified substitute part numbers. Ensure any replacement maintains TCG TPM 1.2 compliance and compatible I2C interface specifications.