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Microchip AT89C55WD 8-bit 8051 Microcontroller, 64 MHz, 20kB FLASH, PDIP, 40-Pin AT89C55WD-24PU
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 4.44mm |
| Length | 52.57mm |
| Model | AT89C55WD-24PU |
| Width | 13.97mm |
| Mount Type | Surface |
| Series | AT89C55WD |
| Maximum Operating Temperature | 85°C |
| Package Type | PDIP |
| Minimum Operating Temperature | -40°C |
| Interfaces | USB MCUs |
| Ram size | 256bit |
| Interface Type | SPI |
| Pin Count | 40 |
| Maximum Supply Voltage | 5.5V |
| Maximum Power Dissipation Pd | 1W |
| Minimum Supply Voltage | 1.8V |
| Device Core | 8051 |
| Program Memory Size | 20kB |
| Maximum Clock Frequency | 64MHz |
| Number of Programmable I/Os | 24 |
| Analogue Comparators | 2 |
| Number of Timers | 1 |
| Instruction Set Architecture | CISC |
| ADCs | 0 bit |
| Program Memory Type | FLASH |
Key Features
- Features an 8051 device core for reliable embedded performance.
- Offers a bus width of 8 bits and supports SPI interface.
- Includes 20kB flash memory for program storage and 256bit RAM.
- Operates at a maximum supply voltage of 5.5V with low minimum of 1.8V.
- Provides 24 programmable I/Os for flexible interfacing.
- Temperature range is from -40°C to 85°C, suitable for industrial environments.
- Supports single timer and two analogue comparators.
- Comes in a PDIP package with physical size of 52.57mm x 13.97mm x 4.44mm.
Product Description
Microchip AT89C55WD-24PU 8-bit 8051 Microcontroller delivers high-performance embedded processing with a robust FLASH memory capacity. Designed for industrial, laboratory, and commercial applications, this microcontroller integrates proven 8051 architecture and advanced features.
Featuring a maximum clock frequency of 64 MHz and a data bus width of 8 bits, the AT89C55WD-24PU ensures swift execution and compatibility with a variety of embedded systems. Its PDIP package includes 40 pins for easy integration on PCBs and machinery, supporting surface mount applications.
Features an 8051 device core for reliable embedded performance. Offers a bus width of 8 bits and supports SPI interface. Includes 20kB flash memory for program storage and 256bit RAM. Operates at a maximum supply voltage of 5.5V with low minimum of 1.8V.
Provides 24 programmable I/Os for flexible interfacing. Temperature range is from -40°C to 85°C, suitable for industrial environments. Supports single timer and two analogue comparators. Comes in a PDIP package with physical size of 52.57mm x 13.97mm x 4.44mm.
The microcontroller is equipped with advanced in-system programmable flash (ISP), making it ideal for rapid prototyping and development. Its robust design ensures dependable operation in demanding conditions, including automated assembly and production machinery, measuring devices, and electronic controls.
Extensive programmability with 24 programmable I/Os enables flexible interfacing with sensors, actuators, and communication modules. The PDIP form factor simplifies integration in electronic control panels, development kits, and prototyping boards.
Operates with minimal power requirements and dissipates up to 1W of power, making it suitable for low-power or battery-operated systems. The operating temperature range of -40°C to 85°C enables usage in both laboratory and industrial environments, ensuring reliability for automation, monitoring, and robotics.
Suitable for OEMs, engineers, and educational labs seeking reliable microcontroller solutions for embedded projects. The Microchip AT89C55WD-24PU supports in-system programming and features robust FLASH memory for repeated code updates.
Explore more Microcontrollers and semiconductor solutions in the EnvMart catalogue to meet diverse industrial and commercial needs. Discover performance, reliability, and scalable integration with Microchip devices on EnvMart.
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Frequently Asked Questions
The maximum clock frequency of this microcontroller is 64 MHz.
It features a program memory size of 20kB FLASH for program storage.
The operating temperature range is from -40°C to 85°C, making it suitable for industrial environments.
This microcontroller provides 24 programmable I/Os for flexible interfacing.
It operates at a maximum supply voltage of 5.5V and a minimum of 1.8V.
This model comes in a PDIP (Plastic Dual In-line Package) with 40 pins.
It supports SPI interface for communication with other devices.
The microcontroller includes 256 bits of RAM.
It supports two analogue comparators for signal processing.
The height of this microcontroller is 4.44mm.
The maximum power dissipation is 1W, suitable for low-power applications.
It features an 8051 device core architecture for reliable embedded performance.
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