AT97SC3205T-H3M4C-00

Overview

The AT97SC3205T-H3M4C-00 is a security integrated circuit manufactured by Microchip Technology, functioning as a Trusted Platform Module (TPM) compliant with TCG TPM Version 1.2 specifications. It utilizes an Atmel AVR RISC microprocessor core and incorporates a hardware asymmetric crypto engine for secure operations. The device supports I2C communication at 400kHz Fast Mode or 100kHz Standard Mode. It features internal EEPROM storage for RSA keys and provides 2066 bytes of non-volatile user-defined data storage. The component operates on a 3.3V supply voltage and is available in a 32-pad QFN package.

Feature Summary

• Compliant with TCG TPM Version 1.2 Specification
• Hardware Asymmetric Crypto Engine with FIPS-140-2 certification
• Internal EEPROM Storage for RSA Keys
• I2C Interface supporting 400kHz Fast Mode

Applications

• Embedded systems requiring trusted platform module integration
• Secure authentication applications
• Hardware physical presence detection implementations

Procurement Notes

Verify the specific ordering suffix to confirm package type and temperature range. Confirm availability status as distribution channels may vary. Ensure compatibility with existing system designs regarding the 3.3V supply requirement and I2C interface pull-up values.

Selection Notes

Select this component for applications requiring TCG TPM 1.2 compliance within embedded systems. Consider the 32-pin QFN package for space-constrained designs. Verify that the operating environment falls within the specified commercial temperature range of 0°C to 70°C.

Part Context

This part belongs to the AT97SC3205T series of Trusted Platform Modules. It is designed as a single-chip turnkey solution integrating cryptographic functions and secure storage. The device is intended for use in embedded systems where hardware-based security and key management are required.

Replacement Considerations

Consult official documentation for direct substitutes. Alternative packages such as 28-lead Thin TSSOP are available within the same product family. Verify pinout and electrical characteristics before substitution.

FAQ

What is the maximum I2C clock speed supported?

The device supports I2C operation at 400kHz in Fast Mode and 100kHz in Standard Mode.

How many bytes of user-defined data can be stored?

The device provides NV storage space for 2066 bytes of user-defined data.

Is the random number generator certified?

Yes, the High-quality Random Number Generator (RNG) is included in the FIPS-140-2 Module Certification.