AT83EC5136-PLTUL
Microchip Technology
AT83EC5136-PLTUL
Microchip Technology
IC MCU 8BIT 32KB FLASH
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Product details
The AT83EC5136-PLTUL by Microchip Technology 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 80C52 technology with lockstep cores, this microcontroller detects processing errors within 50ns to meet CENELEC EN 50128 safety requirements.The 8-Bit architecture incorporates quadruple modular redundancy for all safety-critical calculations in railway interlocking systems.Operating at 48MHz, the device processes track occupancy data with deterministic latency below 100 s, crucial for moving block signaling systems.With EBI/EMI, I²C, SPI, UART/USART, USB support, the microcontroller implements PROFIsafe and other railway-specific protocols with hardware-based CRC checking.Integrated LED, POR, PWM, WDT include vital relay drivers with continuous self-testing capabilities required for railway signaling equipment.34 fail-safe digital inputs incorporate galvanic isolation and continuous contact monitoring for track circuit interfaces.32KB (32K x 8) accommodates SIL4-certified application code with complete diversity between primary and secondary safety channels.The FLASH implementation includes periodic memory scrubbing that detects and corrects radiation-induced soft errors.512 x 8 of non-volatile storage maintains vital configuration data through 20 years of continuous operation in signaling applications.1K x 8 of ECC-protected memory maintains data integrity even during severe electromagnetic disturbances in traction power environments.The 2.7V ~ 3.6V range withstands 100V transients common in railway power distribution systems with 24V nominal supply.The Internal includes redundant clock sources with automatic switchover to maintain timing during oscillator failures.Rated for -40°C ~ 85°C (TA), the device operates reliably in trackside enclosures without climate control.
Product Attributes
- Product Status: Discontinued at Digi-Key
- Core Processor: 80C52
- Core Size: 8-Bit
- Speed: 48MHz
- Connectivity: EBI/EMI, I²C, SPI, UART/USART, USB
- Peripherals: LED, POR, PWM, WDT
- Number of I/O: 34
- Program Memory Size: 32KB (32K x 8)
- Program Memory Type: FLASH
- EEPROM Size: 512 x 8
- RAM Size: 1K x 8
- Voltage - Supply (Vcc/Vdd): 2.7V ~ 3.6V
- Data Converters: -
- Oscillator Type: Internal
- Operating Temperature: -40°C ~ 85°C (TA)
- Mounting Type: -
- Package / Case: -
- Supplier Device Package: -
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