ML620Q152B-Z99TBWABL
Rohm Semiconductor
ML620Q152B-Z99TBWABL
Rohm Semiconductor
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The ML620Q152B-Z99TBWABL by Rohm Semiconductor 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 nX-U16/100 technology with lockstep cores, this microcontroller detects processing errors within 50ns to meet CENELEC EN 50128 safety requirements.The 16-Bit architecture incorporates quadruple modular redundancy for all safety-critical calculations in railway interlocking systems.Operating at 8.4MHz, the device processes track occupancy data with deterministic latency below 100 s, crucial for moving block signaling systems.With I²C, SSP, UART/USART support, the microcontroller implements PROFIsafe and other railway-specific protocols with hardware-based CRC checking.Integrated POR, PWM, WDT include vital relay drivers with continuous self-testing capabilities required for railway signaling equipment.31 fail-safe digital inputs incorporate galvanic isolation and continuous contact monitoring for track circuit interfaces.48KB (24K x 16) 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.2K x 8 of non-volatile storage maintains vital configuration data through 20 years of continuous operation in signaling applications.2K x 8 of ECC-protected memory maintains data integrity even during severe electromagnetic disturbances in traction power environments.The 1.8V ~ 5.5V range withstands 100V transients common in railway power distribution systems with 24V nominal supply.Safety-certified A/D 12x10b SAR perform continuous self-calibration to maintain 0.1% accuracy in axle counter sensor interfaces.The External, Internal includes redundant clock sources with automatic switchover to maintain timing during oscillator failures.Rated for -40°C ~ 105°C (TA), the device operates reliably in trackside enclosures without climate control.Surface Mount packaging withstands 5g vibration and 50g shock loads specified in EN 61373 for rolling stock equipment.The 48-TQFP provides 8kV surge protection on all lines exposed to overhead catenary induction and lightning strikes.Available in 48-TQFP (7x7), the microcontroller includes complete safety documentation for railway certification processes.
Product Attributes
- Product Status: Last Time Buy
- Core Processor: nX-U16/100
- Core Size: 16-Bit
- Speed: 8.4MHz
- Connectivity: I²C, SSP, UART/USART
- Peripherals: POR, PWM, WDT
- Number of I/O: 31
- Program Memory Size: 48KB (24K x 16)
- Program Memory Type: FLASH
- EEPROM Size: 2K x 8
- RAM Size: 2K x 8
- Voltage - Supply (Vcc/Vdd): 1.8V ~ 5.5V
- Data Converters: A/D 12x10b SAR
- Oscillator Type: External, Internal
- Operating Temperature: -40°C ~ 105°C (TA)
- Mounting Type: Surface Mount
- Package / Case: 48-TQFP
- Supplier Device Package: 48-TQFP (7x7)
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