| Parameters | |
|---|---|
| Series | CryptoController™ |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 28-TSSOP (0.173", 4.40mm Width) |
| Interface | LPC |
| Mfr | Microchip Technology |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Applications | Trusted Platform Module (TPM) |
| Supplier Device Package | 28-TSSOP |
| Core Processor | AVR |
| RAM Size | - |
| Voltage - Supply | 3.3V |
| Program Memory Type | EEPROM |
| Controller Series | - |
| Package | Tape & Reel (TR) |
| Product Status | Active |
| Conevo-Key Programmable | Not Verified |
| Base Product Number | AT97SC3204 |
| REACH Status | REACH Unaffected |
| Standard Package | 1,000 |
| ECCN | EAR99 |
| HTSUS | 8542.31.0001 |
AT97SC3204-U2A1A-20 Trusted Platform Module (TPM)
The AT97SC3204-U2A1A-20 is a highly integrated Trusted Platform Module (TPM) security chip manufactured by Microchip (Atmel), fully compliant with Trusted Computing Group (TCG) TPM 1.2 specifications. Built around an Atmel AVR RISC core, it features a dedicated hardware cryptographic engine and comes in a compact 28-pin TSSOP surface-mount package. Operating at a 3.3V supply voltage with a 33MHz LPC (Low Pin Count) host interface, it supports an industrial temperature range of -40°C to +85°C. This device provides robust hardware-based security functions, including secure key generation, storage, and data encryption, serving as a turnkey security solution for PCs, embedded systems, and industrial equipment requiring hardware root-of-trust security.
AT97SC3204-U2A1A-20 Selection Advantages
The AT97SC3204-U2A1A-20 offers a proven, cost-effective hardware security solution with full TCG 1.2 compliance, ensuring broad compatibility with standard security frameworks. Its integrated AVR core + crypto engine architecture delivers high-performance cryptographic operations without burdening the host CPU. The LPC interface simplifies design-in for PC and embedded platforms, while the 28-pin TSSOP package optimizes PCB space. With FIPS-certified RNG, secure key storage, and industrial temperature ratings, it provides long-term reliability and robust protection against physical and logical attacks, making it ideal for legacy and industrial systems requiring stable, trusted security functions.
Alternative Security chips
● Microchip AT97SC3205T-U3A1C-20: Next-generation TPM 1.2 chip, pin-compatible upgrade, enhanced security and lower power consumption.
● Infineon SLB9670: TPM 1.2 security module, LPC interface, 28-pin TSSOP, high-security industrial-grade alternative.
● STMicro STSafe-T12: TPM 1.2 compliant security IC, hardware crypto engine, reliable drop-in replacement for embedded security.
● NXP TPM12-LPC: Trusted platform module, LPC bus, 2048-bit RSA, secure key storage for PC and industrial applications.
● Microchip AT97SC3204-X2A1A-20: Commercial-grade variant (0°C to 70°C), pin-compatible, cost-effective for non-industrial designs.