AT97SC3204-U4A14-10

Overview

The AT97SC3204-U4A14-10 is a Trusted Platform Module (TPM) compliant with TCG TPM version 1.2 and TCG PC Client-specific TPM Interface Specification (TIS) version 1.2. It integrates an Atmel AVR RISC microprocessor, hardware asymmetric crypto engine, and internal EEPROM for RSA keys. The device features a 33MHz LPC interface, FIPS 140-2 compliant RNG, and 1756 bytes of NV storage. Operating at 3.3V, it supports commercial (0°C to 70°C) and industrial (-40°C to +85°C) temperature ranges.

Feature Summary

• Fully compliant with TCG TPM v1.2 and TCG PC Client-specific TIS v1.2 specifications
• Hardware crypto engine supporting 2048-bit RSA signature in 200ms and SHA-1 acceleration
• Integrated Atmel AVR RISC microprocessor with dynamic internal memory management for multiple RSA keys
• FIPS 140-2 compliant internal high-quality Random Number Generator (RNG)

Applications

• Personal computers requiring hardware-based security modules
• Embedded systems needing trusted platform authentication
• Mobile computers utilizing SIRQ and CLKRUN for power savings

Procurement Notes

Verify the specific package type required for the U4A14 suffix against the official datasheet addendum, as the summary document lists standard codes like 28X1 and 40ML1. Confirm availability through local sales offices due to NDA restrictions on complete documentation. Ensure compliance with RoHS standards and check for lead-free manufacturing requirements during procurement.

Selection Notes

Select based on operating temperature range: commercial (0°C to 70°C) or industrial (-40°C to +85°C). Choose between 28-lead thin TSSOP (28X1), 28-lead wide TSSOP, or 40-pad QFN (40ML1) packages depending on board space constraints. Ensure the host system supports the 33MHz LPC bus interface and provides necessary 3.3V supply voltages.

Part Context

The AT97SC3204 series serves as a turnkey security solution for OEMs and ODMs, integrating firmware directly onto the chip. It replaces discrete security components by combining cryptographic acceleration, key storage, and random number generation into a single package. The device simplifies integration by providing necessary BIOS drivers and OS device driver software support.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify pin compatibility and electrical specifications if considering alternative TPM solutions from other manufacturers.