TMS370C250FNA
Texas Instruments
TMS370C250FNA
Texas Instruments
IC MCU 8BIT ROMLESS 68PLCC
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Product details
The TMS370C250FNA from Texas Instruments revolutionizes Embedded - Microcontrollers for medical electronics, combining ultra-low noise performance with stringent safety certifications for life-critical applications.The TMS370 architecture implements dual-core lockstep with cycle-accurate comparison, detecting faults within 10ns to meet IEC 62304 Class C requirements.A 8-Bit processing width enables single-cycle execution of complex DSP filters for real-time biosignal processing in patient monitoring equipment.Operating at 5MHz with <10 V supply noise, the microcontroller maintains analog signal integrity for precision ECG front-ends with <0.5 Vp-p input-referred noise.The SCI, SPI interfaces incorporate medical-grade isolation up to 5kVrms, enabling direct connection to patient-connected sensors without external isolation barriers.PWM, WDT include medical-specific features like lead-off detection and right-leg drive amplifiers, reducing external component count in diagnostic equipment.With 46 channels supporting <1nA leakage current, the device can interface directly with high-impedance biopotential sensors without buffering.The ROMless implementation features hardware-enforced read-only regions for critical code segments, preventing unauthorized modifications.256 x 8 of medical-grade non-volatile storage maintains patient data through 500,000 write cycles, exceeding the operational life of most diagnostic equipment.256 x 8 of ECC-protected memory prevents silent data corruption in drug delivery systems where single-bit errors could have life-threatening consequences.The 4.5V ~ 5.5V range supports operation from medical-grade power supplies with <10 A patient leakage current in BF-rated applications.Precision A/D 8x8b achieve 20-bit effective resolution through oversampling and chopper stabilization, enabling direct digitization of microvolt-level biosignals.The Internal design maintains <1ppm frequency stability for accurate timing of therapeutic delivery systems where dosing accuracy is critical.Rated for -40°C ~ 85°C (TA), the device operates reliably in sterilization cycles and extreme clinical environments.Surface Mount packaging uses biocompatible molding compounds that outgas <1 g/cm in vacuum environments, suitable for implantable applications.The 68-LCC (J-Lead) format provides <1pF pin-to-pin capacitance, preventing signal crosstalk in high-density medical imaging front-end electronics.Available in 68-PLCC (24.23x24.23), the microcontroller is manufactured in ISO 13485-certified facilities with full device history tracking.
Product Attributes
- Product Status: Active
- Core Processor: TMS370
- Core Size: 8-Bit
- Speed: 5MHz
- Connectivity: SCI, SPI
- Peripherals: PWM, WDT
- Number of I/O: 46
- Program Memory Size: -
- Program Memory Type: ROMless
- EEPROM Size: 256 x 8
- RAM Size: 256 x 8
- Voltage - Supply (Vcc/Vdd): 4.5V ~ 5.5V
- Data Converters: A/D 8x8b
- Oscillator Type: Internal
- Operating Temperature: -40°C ~ 85°C (TA)
- Mounting Type: Surface Mount
- Package / Case: 68-LCC (J-Lead)
- Supplier Device Package: 68-PLCC (24.23x24.23)
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