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Product Detailed Parameters
- Description：IC CRYPTO TPM TWI 28TSSOP
- Series：CryptoController™
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Applications：Trusted Platform Module (TPM)
- Core Processor：AVR
- Program Memory Type：EEPROM
- Controller Series：-
- RAM Size：-
- Interface：I2C
- Number of I/O：-
- Voltage - Supply：3.3V
- Operating Temperature：0°C ~ 70°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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Overview
The AT97SC3204T-X2A1B-10 is a Trusted Platform Module (TPM) compliant with TCG TPM version 1.2 and TIS version 1.2 specifications. It integrates an Atmel AVR RISC microprocessor, hardware asymmetric crypto engine, and internal EEPROM for RSA key storage. The device communicates via a 33MHz Low Pin Count (LPC) bus and includes a FIPS 140-2 compliant Random Number Generator. It supports SIRQ and CLKRUN for power management in mobile systems. Operating voltage is 3.3V, with commercial (0°C to 70°C) and industrial (-40°C to 85°C) temperature ranges available.
Feature Summary
- Compliant with TCG TPM 1.2 and TIS 1.2 specifications
- Hardware asymmetric crypto engine supporting 2048-bit RSA signatures
- Internal EEPROM storage for RSA keys and 1756 bytes of user-defined data
- 33MHz LPC interface with SIRQ and CLKRUN support
Applications
- Personal computers
- Embedded systems
- Mobile computers requiring clock stopping for power savings
Procurement Notes
Verify the specific ordering suffix against the manufacturer's addendum for complete catalog details. Confirm package type availability, as the component is offered in 28-lead thin TSSOP or 40-pad QFN packages. Ensure compatibility with required operating temperature ranges before procurement.
Selection Notes
Select based on required package format: 28X1 (28-pin thin TSSOP) or 40ML1 (40-pad VQFN). Choose between commercial (0°C to 70°C) and industrial (-40°C to 85°C) temperature ratings according to environmental constraints. Verify LPC bus compatibility with the host system.
Part Context
The AT97SC3204 series serves as a single-chip turnkey security solution for OEMs and ODMs. It provides integrated firmware and driver software for OS integration. The device is designed for easy PC interface implementation through the standard LPC protocol.
Replacement Considerations
Consult the AT97SC3204 datasheet addendum for alternative ordering codes. Package variations include 28X1 and 40ML1. Temperature grades are designated by commercial and industrial ranges.
