AT89C55WD-24PU
- Mfr.Part #
- AT89C55WD-24PU
- Manufacturer
- Microchip Technology
- Package / Case
- 40-DIP (0.600, 15.24mm)
- Datasheet
- Download
- Description
- IC MCU 8BIT 20KB FLASH 40DIP
- Stock
- 9,606
- In Stock :
- 9,606
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- * Quantity:
- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Terminal Position :
- Dual
- Watchdog Timer :
- yes
- Address Bus Width :
- 8B
- Bit Size :
- 8
- Instruction Set Architecture :
- CISC
- ROM Programmability :
- Flash
- Qualification :
- -
- Manufacturer :
- Microchip
- Data Converters :
- --
- Supply Current-Max :
- 25 mA
- Number of Timers/Counters :
- 3
- Memory Size :
- 20kB
- RoHS Status :
- ROHS3 Compliant
- Qualification Status :
- Not Qualified
- Base Part Number :
- AT89C55
- Core Architecture :
- 8051
- CPU Family :
- 8051
- Peripherals :
- WDT
- Number of Programmable I/O :
- 32
- Min Supply Voltage :
- 4V
- Pin Count :
- 40
- Published :
- 1996
- JESD-609 Code :
- e3
- Interface :
- UART, USART
- Product Type :
- 8-bit Microcontrollers - MCU
- JESD-30 Code :
- R-PDIP-T40
- Length :
- 52.58mm
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER
- RAM (bytes) :
- 256
- Frequency :
- 33MHz
- Supplier Device Package :
- 40-PDIP
- Reach Compliance Code :
- Compliant
- Base Product Number :
- AT89C55
- Dimensions :
- 52.57 x 13.97 x 4.44mm
- Data Bus Width :
- 8B
- ROM (words) :
- 20480
- Family Name :
- AT89
- Temperature Grade :
- Industrial
- Max Supply Voltage :
- 5.5V
- REACH SVHC :
- No SVHC
- Number of I/O Lines :
- 32
- Lead Free :
- Lead Free
- Max Frequency :
- 24MHz
- Power Supplies :
- 5 V
- Interface Type :
- UART
- Typical Operating Supply Voltage :
- 4 → 5.5 V
- PWM Channels :
- No
- Schedule B :
- 8542310000
- Packaging :
- Tube
- Peak Reflow Temperature (Cel) :
- Not Applicable
- Package Shape :
- RECTANGULAR
- DMA Channels :
- No
- Series :
- 89C
- Memory Type :
- Flash
- Voltage - Supply (Vcc/Vdd) :
- 4.5V~5.5V
- Radiation Hardening :
- No
- Subcategory :
- Microcontrollers - MCU
- External Data Bus Width :
- 8
- Product :
- MCU
- DAC Channels :
- No
- Maximum Operating Temperature :
- +85 °C
- EEPROM Size :
- --
- Min Operating Temperature :
- -40°C
- Height :
- 4.826mm
- Technology :
- CMOS
- Minimum Operating Temperature :
- -40 °C
- Number of Terminals :
- 40
- Product Status :
- Active
- Surface Mount :
- No
- Device Core :
- 80C51
- Termination :
- Through Hole
- MSL :
- -
- Core Processor :
- 8051
- Connectivity :
- UART/USART
- Operating Supply Voltage :
- 5V
- Number of I/Os :
- 32 I/O
- Package :
- Tube
- Interfaces :
- UART
- RAM Size :
- 256 x 8
- Nominal Supply Current :
- 25mA
- Pbfree Code :
- yes
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Terminal Form :
- THROUGH-HOLE
- Terminal Pitch :
- 2.54 mm
- Package / Case :
- 40-DIP (0.600, 15.24mm)
- Program Memory Type :
- Flash
- RoHS :
- Details
- Product Category :
- 8-bit Microcontrollers - MCU
- Package Type :
- PDIP
- Mount :
- Through Hole
- Number of I/O :
- 32
- Has ADC :
- No
- Max Operating Temperature :
- 85°C
- Access Time :
- 24 μs
- Number of Pins :
- 40
- Program Memory Size :
- 20KB 20K x 8
- Seated Height-Max :
- 4.826 mm
- Operating Temperature :
- -40°C~85°C TA
- Mounting Type :
- Through Hole
- Brand :
- Microchip Technology / Atmel
- Core Size :
- 8-Bit
- Number of UART Channels :
- 1
- Speed :
- 24MHz
- Mounting Style :
- Through Hole
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Width :
- 13.97mm
- Factory Lead Time :
- 12 Weeks
- Oscillator Type :
- Internal
- Datasheets
- AT89C55WD-24PU

Microcontrollers Microchip Technology AT89C55WD-24PU Overview
The AT89C55WD-24PU from Microchip Technology is a high-performance microcontroller tailored for advanced embedded systems. Integrating 20KB of flash memory in a 40DIP package, this 8-bit MCU is renowned for its robustness and flexibility, making it an ideal choice for applications requiring efficient data handling and reliable operation under varied environmental conditions. The extensive memory and versatile feature set of the Microcontrollers Microchip Technology AT89C55WD-24PU support complex programming and multiple functionalities, which is crucial for sophisticated designs requiring a compact and cost-effective solution.
AT89C55WD-24PU Features
The AT89C55WD-24PU offers a multitude of features that enhance its efficiency and utility in embedded systems:
- High-Speed Processing: An 8-bit CPU with a 24 MHz clock speed ensures swift task execution and response times.
- Expanded Memory: Equipped with 20KB of flash memory, it provides ample space for application code and data storage.
- Diverse I/O Options: Multiple I/O ports enhance its capacity to handle various peripherals and integration into larger systems.
- Low Power Consumption: Designed for optimal energy efficiency, which is crucial for portable and power-sensitive applications.
- Wide Operating Voltage Range: Operates between 2.7V to 6V, offering flexibility in various hardware environments.
AT89C55WD-24PU Applications
- Consumer Electronics: Used in devices like home automation systems and personal gadgets where reliable microcontroller performance is essential.
- Automotive: Can be integrated into automotive subsystems for managing vehicle dynamics and control systems.
- Industrial Automation: Powers complex machinery controls, providing accurate processing capabilities needed in automated production lines.
- Communication Systems: Suitable for embedded communication devices requiring high-speed signal processing and reliable operations.
- Medical Devices: Implements control mechanisms in medical diagnostic equipment, ensuring precise functionality and responsiveness.
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