AT89C4051-24SJ

Microchip Technology

General info

Part Number

AT89C4051-24SJ

Manufacturer

Microchip Technology

Description:

IC MCU 8BIT 4KB FLASH 20SOIC

Datasheet:

AT89C4051-24SJ PDF AT89C4051-24SJ Datasheet

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Product details

Designed for industrial IoT applications, the AT89C4051-24SJ by Microchip Technology redefines performance in Embedded - Microcontrollers. Its ultra-low power architecture and robust RF coexistence capabilities make it ideal for wireless sensor networks in smart factory environments.The 8051 core implements dynamic voltage scaling that reduces active power by 40% compared to fixed-voltage designs, extending battery life in remote monitoring nodes.A 8-Bit architecture with single-cycle multiply-accumulate units accelerates FFT computations for vibration analysis in predictive maintenance applications.Operating at 24MHz with <1 A/MHz active current, the microcontroller delivers the perfect balance between performance and energy efficiency for energy-harvesting applications.The UART/USART interfaces incorporate galvanic isolation support, enabling direct connection to industrial fieldbus networks without external isolation components.Brown-out Detect/Reset, LED, POR include advanced security features like cryptographic accelerators and true random number generators, protecting industrial equipment from cyber threats.With 15 programmable as either digital or analog interfaces, the device can directly interface with diverse industrial sensors including 4-20mA loops.4KB (4K x 8) accommodates both the application code and wireless stack, with 20% headroom for future feature expansion in modular industrial controllers.The FLASH implementation supports live firmware updates with rollback protection, ensuring uninterrupted operation during field upgrades.128 x 8 of retention RAM maintains context during deep sleep modes, enabling instant wake-up response to critical process events.The 4V ~ 6V range supports direct powering from industrial 24V DC supplies through simple resistive dividers, simplifying power architecture.The Internal design maintains 0.25% frequency accuracy for wireless protocol timing, eliminating the need for external crystal components in space-constrained designs.Rated for -40°C ~ 85°C (TA), the device operates reliably in foundry environments where ambient temperatures can fluctuate rapidly.Surface Mount packaging withstands repeated thermal shock from -40 C to 125 C, meeting reliability requirements for outdoor industrial installations.The 20-SOIC (0.295", 7.50mm Width) format provides 8kV ESD protection on all pins, surviving electrostatic discharges common in plastic injection molding facilities.Available in 20-SOIC, the microcontroller supports industrial-grade qualification including 1000-hour HTOL testing at 125 C.