AT97SC3205T-U3A1410B

Description：MEM FF IND I2C TPM 28TSSOP
Series：-

SKU:d74591e38c05 Category: Application Specific Microcontrollers Brand: Microchip Technology

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Product introduction

Product Detailed Parameters

Description：MEM FF IND I2C TPM 28TSSOP
Series：-
Mfr：Microchip Technology
Package：Tube
Applications：Trusted Platform Module (TPM)
Core Processor：AVR
Program Memory Type：EEPROM
Controller Series：-
RAM Size：-
Interface：I2C
Number of I/O：4
Voltage - Supply：3.3V
Operating Temperature：-40°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：28-TSSOP (0.173", 4.40mm Width)
Supplier Device Package：28-TSSOP
Grade：-
Qualification：-

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AT97SC3205T-U3A1410B

Overview

The AT97SC3205T-U3A1410B is a security IC implementing the Trusted Computing Group (TCG) Trusted Platform Module (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 100kHz Standard Mode or 400kHz Fast Mode. It operates on a 3.3V supply voltage and includes FIPS-140-2 certified modules for RNG, HMAC, AES, SHA, and RSA. The component provides 2066 bytes of NV storage for user-defined data.

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 100kHz/400kHz operation

Applications

Embedded systems requiring trusted platform module integration
Hardware physical presence indication via PP/GPIO pin
Low-power sleep recovery applications using TWI_Wakeup# pin

Procurement Notes

Verify package availability as the datasheet lists 28-lead Thin TSSOP and 32-pad QFN options. Confirm operational temperature range requirements against Commercial (0°C to 70°C) and Industrial (-40°C to 85°C) ratings. Ensure decoupling capacitors meet X5R or X7R dielectric ratings within specified values.

Selection Notes

Select based on required interface speed and operating temperature. The device requires a 3.3V supply with effective decoupling between VCC and GND pins. Unused GPIO and test pins must be tied to ground or VCC as specified in the pin configuration table to ensure stable operation.

Part Context

This component belongs to the AT97SC3205T series of security ICs manufactured by Microchip Technology (formerly Atmel). It serves as a single-chip turnkey solution for embedding trust into embedded systems through standardized TPM protocols.

Replacement Considerations

Check for updated part numbers from Microchip Technology if the original manufacturer designation has changed due to corporate acquisitions. Verify pin compatibility and firmware command set adherence when substituting.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

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Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

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Mode of Transportation

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.