DF2377RVFQ33V
Renesas Electronics America Inc
DF2377RVFQ33V
Renesas Electronics America Inc
IC MCU 16BIT 384KB FLASH 144LQFP
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Product details
The DF2377RVFQ33V by Renesas Electronics America 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 H8S/2000 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 33MHz, the device processes track occupancy data with deterministic latency below 100 s, crucial for moving block signaling systems.With I²C, IrDA, SCI, SmartCard support, the microcontroller implements PROFIsafe and other railway-specific protocols with hardware-based CRC checking.Integrated DMA, POR, PWM, WDT include vital relay drivers with continuous self-testing capabilities required for railway signaling equipment.96 fail-safe digital inputs incorporate galvanic isolation and continuous contact monitoring for track circuit interfaces.384KB (384K 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.24K x 8 of ECC-protected memory maintains data integrity even during severe electromagnetic disturbances in traction power environments.The 3V ~ 3.6V range withstands 100V transients common in railway power distribution systems with 24V nominal supply.Safety-certified A/D 16x10b; D/A 6x8b perform continuous self-calibration to maintain 0.1% accuracy in axle counter sensor interfaces.The External includes redundant clock sources with automatic switchover to maintain timing during oscillator failures.Rated for -20°C ~ 75°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 144-LQFP provides 8kV surge protection on all lines exposed to overhead catenary induction and lightning strikes.Available in 144-LQFP (20x20), the microcontroller includes complete safety documentation for railway certification processes.
Product Attributes
- Product Status: Active
- Core Processor: H8S/2000
- Core Size: 16-Bit
- Speed: 33MHz
- Connectivity: I²C, IrDA, SCI, SmartCard
- Peripherals: DMA, POR, PWM, WDT
- Number of I/O: 96
- Program Memory Size: 384KB (384K x 8)
- Program Memory Type: FLASH
- EEPROM Size: -
- RAM Size: 24K x 8
- Voltage - Supply (Vcc/Vdd): 3V ~ 3.6V
- Data Converters: A/D 16x10b; D/A 6x8b
- Oscillator Type: External
- Operating Temperature: -20°C ~ 75°C (TA)
- Mounting Type: Surface Mount
- Package / Case: 144-LQFP
- Supplier Device Package: 144-LQFP (20x20)
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