CY8C3446PVI-091
Infineon Technologies
CY8C3446PVI-091
Infineon Technologies
IC MCU 8BIT 64KB FLASH 48SSOP
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Product details
Infineon Technologies's CY8C3446PVI-091 delivers military-grade reliability in Embedded - Microcontrollers, developed for aerospace and defense applications where radiation tolerance and mission longevity are paramount.The 8051 core incorporates triple modular redundancy for SEU mitigation, achieving >99% single-event upset immunity in orbital radiation environments.A 8-Bit architecture with parity-protected data paths prevents silent data corruption, meeting MIL-STD-883G requirements for spaceborne electronics.When operating at 50MHz, the microcontroller maintains timing accuracy within 0.01% despite temperature variations from -55 C to 125 C, critical for navigation systems.The EBI/EMI, I²C, LINbus, SPI, UART/USART interfaces implement Manchester encoding for noise-immune data transmission, ensuring reliable communication in high-EMI environments like radar installations.CapSense, DMA, LCD, POR, PWM, WDT include radiation-hardened timers and watchdog circuits that automatically recover from single-event functional interrupts within 10 s.With 25 MIL-STD-1553-compatible interfaces, the device can serve as a remote terminal in distributed avionics architectures without external transceivers.64KB (64K x 8) of TMR-protected storage accommodates flight control algorithms with full error detection and correction capabilities.The FLASH implementation uses SONOS technology that withstands 300krad total ionizing dose, exceeding space qualification requirements.2K x 8 of rad-hard non-volatile storage maintains configuration data through 10,000 write cycles, sufficient for the spacecraft's entire mission duration.8K x 8 of scrubable memory prevents accumulation of single-event upsets, maintaining data integrity during extended missions in high-radiation orbits.The 1.71V ~ 5.5V range supports operation from unregulated spacecraft power buses with 100mV ripple, eliminating need for additional regulation stages.Precision A/D 16x12b; D/A 2x8b maintain 12-bit accuracy during solar flare events, providing reliable telemetry data even during peak radiation periods.The Internal clock source incorporates automatic frequency compensation that maintains <1ppm/ C drift across the military temperature range.Qualified for -40°C ~ 85°C (TA), the device operates reliably in exoatmospheric conditions where thermal cycling extremes exceed commercial specifications.Surface Mount packaging uses AuSn die attach for superior thermal conductivity in vacuum environments, preventing die delamination during thermal transients.The 48-BSSOP (0.295", 7.50mm Width) format provides hermetic sealing against moisture ingress, meeting MIL-PRF-38534 Class K requirements for high-reliability applications.Available in 48-SSOP, the microcontroller undergoes rigorous screening including burn-in and 100% electrical testing at temperature extremes.
Product Attributes
- Product Status: Obsolete
- Core Processor: 8051
- Core Size: 8-Bit
- Speed: 50MHz
- Connectivity: EBI/EMI, I²C, LINbus, SPI, UART/USART
- Peripherals: CapSense, DMA, LCD, POR, PWM, WDT
- Number of I/O: 25
- Program Memory Size: 64KB (64K x 8)
- Program Memory Type: FLASH
- EEPROM Size: 2K x 8
- RAM Size: 8K x 8
- Voltage - Supply (Vcc/Vdd): 1.71V ~ 5.5V
- Data Converters: A/D 16x12b; D/A 2x8b
- Oscillator Type: Internal
- Operating Temperature: -40°C ~ 85°C (TA)
- Mounting Type: Surface Mount
- Package / Case: 48-BSSOP (0.295", 7.50mm Width)
- Supplier Device Package: 48-SSOP
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