AT97SC3205T-G3M46-20

Overview

The AT97SC3205T-G3M46-20 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 keys. 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 TCG TPM Version 1.2 Specification
• FIPS-140-2 Certified Hardware Crypto Engine (RNG, HMAC, AES, SHA, RSA)
• I2C Interface supporting 400kHz Fast Mode and 100kHz Standard Mode
• Internal EEPROM Storage for RSA Keys and 2066 bytes User Defined Data

Applications

• Embedded systems requiring hardware-based security modules
• Secure boot and platform authentication implementations
• Data protection applications utilizing TPM protocols

Procurement Notes

Verify the specific ordering suffix against official Microchip documentation to confirm package type and temperature range. Confirm current availability status as product lifecycle changes may affect distribution channels. Ensure compatibility with existing system power supplies and I2C bus requirements before procurement.

Selection Notes

Select this component for applications requiring TCG TPM 1.2 compliance with I2C connectivity. 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 series represents a single-chip turnkey solution for Trusted Platform Modules. Originally developed by Atmel Corporation, the product line was integrated into Microchip Technology's portfolio following the acquisition. This specific model provides a secure hardware and firmware design for embedded security applications.

Replacement Considerations

Consult official Microchip documentation for verified substitute part numbers. Cross-referencing should be limited to components explicitly listed as compatible replacements in manufacturer datasheets or notices.