P5CD021A4/T1A8805J
NXP USA Inc.
P5CD021A4/T1A8805J
NXP USA Inc.
P5CD021A4/T1A8805J
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Product details
The P5CD021A4/T1A8805J by NXP USA Inc. 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 Secure MX51 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 30MHz, the device processes track occupancy data with deterministic latency below 100 s, crucial for moving block signaling systems.With ISO 7816, ISO 14443, UART support, the microcontroller implements PROFIsafe and other railway-specific protocols with hardware-based CRC checking.264KB (264K x 8) accommodates SIL4-certified application code with complete diversity between primary and secondary safety channels.The ROM implementation includes periodic memory scrubbing that detects and corrects radiation-induced soft errors.20K x 8 of non-volatile storage maintains vital configuration data through 20 years of continuous operation in signaling applications.7.5K x 8 of ECC-protected memory maintains data integrity even during severe electromagnetic disturbances in traction power environments.The 1.62V ~ 5.6V range withstands 100V transients common in railway power distribution systems with 24V nominal supply.Rated for -25°C ~ 85°C, the device operates reliably in trackside enclosures without climate control.
Product Attributes
- Product Status: Obsolete
- Core Processor: Secure MX51
- Core Size: 32-Bit Single-Core
- Speed: 30MHz
- Connectivity: ISO 7816, ISO 14443, UART
- Peripherals: -
- Number of I/O: -
- Program Memory Size: 264KB (264K x 8)
- Program Memory Type: ROM
- EEPROM Size: 20K x 8
- RAM Size: 7.5K x 8
- Voltage - Supply (Vcc/Vdd): 1.62V ~ 5.6V
- Data Converters: -
- Oscillator Type: -
- Operating Temperature: -25°C ~ 85°C
- Mounting Type: -
- Package / Case: -
- Supplier Device Package: -
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