TT21100-44LQI35T
Infineon Technologies
TT21100-44LQI35T
Infineon Technologies
IC MCU 32BIT 44QFN
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Product details
The TT21100-44LQI35T by Infineon Technologies pioneers ultra-reliable Embedded - Microcontrollers for railway signaling systems. Its fail-safe architecture and SIL4 certification make it the preferred choice for vital train control applications.Featuring ARM® Cortex® technology with lockstep cores, this microcontroller detects processing errors within 50ns to meet CENELEC EN 50128 safety requirements.The 32-Bit Single-Core architecture incorporates quadruple modular redundancy for all safety-critical calculations in railway interlocking systems.Operating at 500kHz, the device processes track occupancy data with deterministic latency below 100 s, crucial for moving block signaling systems.With I²C, SPI support, the microcontroller implements PROFIsafe and other railway-specific protocols with hardware-based CRC checking.35 fail-safe digital inputs incorporate galvanic isolation and continuous contact monitoring for track circuit interfaces.The 1.71V ~ 5.5V range withstands 100V transients common in railway power distribution systems with 24V nominal supply.Surface Mount packaging withstands 5g vibration and 50g shock loads specified in EN 61373 for rolling stock equipment.The 44-UFQFN Exposed Pad provides 8kV surge protection on all lines exposed to overhead catenary induction and lightning strikes.Available in 44-QFN (5x5), the microcontroller includes complete safety documentation for railway certification processes.
Product Attributes
- Product Status: Obsolete
- Core Processor: ARM® Cortex®
- Core Size: 32-Bit Single-Core
- Speed: 500kHz
- Connectivity: I²C, SPI
- Peripherals: -
- Number of I/O: 35
- Program Memory Size: -
- Program Memory Type: -
- EEPROM Size: -
- RAM Size: -
- Voltage - Supply (Vcc/Vdd): 1.71V ~ 5.5V
- Data Converters: -
- Oscillator Type: -
- Operating Temperature: -
- Mounting Type: Surface Mount
- Package / Case: 44-UFQFN Exposed Pad
- Supplier Device Package: 44-QFN (5x5)
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