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W78E516B40DL - High-Performance 8-Bit Microcontroller

The W78E516B40DL from Nuvoton Technology Corporation is a powerful 8-bit microcontroller based on the industry-standard 8052 core architecture. Designed for embedded and industrial applications, this microcontroller delivers reliable performance with 64KB of Flash memory and operates at speeds up to 40MHz.

Key Features & Benefits

  • High-Speed Processing: 40MHz clock speed ensures fast execution for time-critical applications
  • Generous Memory: 64KB Flash program memory and 512 bytes of RAM provide ample space for complex firmware
  • Versatile Connectivity: Built-in UART/USART and EBI/EMI interfaces for seamless communication
  • Flexible I/O: 32 programmable I/O pins for interfacing with sensors, displays, and peripherals
  • Reliable Operation: Power-On Reset (POR) and wide voltage range (4.5V-5.5V) ensure stable performance
  • Easy Integration: Standard 40-DIP through-hole package simplifies prototyping and production

Ideal Applications

Perfect for industrial control systems, automation equipment, data acquisition systems, embedded controllers, and legacy system upgrades requiring 8051-compatible architecture.

Why Choose HQICKEY?

At HQICKEY, we specialize in authentic semiconductor sourcing with comprehensive lifecycle support. Our engineering-focused approach ensures you receive genuine components backed by technical expertise and reliable supply chain management.

Related Resources

Product attributes Property Value
Manufacturer Nuvoton Technology Corporation
Product Series W78
Packaging | Tube
Core Processor 8052
Core Size 8-Bit
Speed 40MHz
Connectivity EBI/EMI, UART/USART
Peripherals POR
Number of I/O 32
Program Memory Size 64KB (64K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 512 x 8
Voltage - Supply (Vcc/Vdd) 4.5V ~ 5.5V
Data Converters -
Oscillator Type Internal
Operating Temperature 0°C ~ 70°C (TA)
Grade -
Qualification -
Mounting Type Through Hole
Supplier Device Package -
Package / Case 40-DIP