8-bit CMOS microcontroller featuring 33MHz clock speed and 20KB FLASH program memory. This industrial-grade device offers 256 bytes of RAM and 32 programmable I/O lines. It operates within a supply voltage range of 4.5V to 5.5V and supports an 8-bit external data bus with a 16-bit address bus. Packaged in a 44-terminal PQFP with dimensions of 10mm x 10mm, it functions across an industrial temperature range of -40°C to 85°C.
Microchip AT89C55WD-33AU technical specifications.
| Max Operating Temperature | 85 |
| Number of Terminals | 44 |
| Min Operating Temperature | -40 |
| Terminal Position | QUAD |
| JEDEC Package Code | S-PQFP-G44 |
| Width | 10 |
| Length | 10 |
| Temperature Grade | INDUSTRIAL |
| Supply Current-Max | 25 |
| Supply Voltage-Nom | 5 |
| Supply Voltage-Min | 4.5 |
| Supply Voltage-Max | 5.5 |
| Clock Frequency-Max | 33 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
| Number of I/O Lines | 32 |
| External Data Bus Width | 8 |
| Address Bus Width | 16 |
| Bit Size | 8 |
| Speed | 33 |
| ROM Programmability | FLASH |
| ROM (words) | 20480 |
| RAM (bytes) | 256 |
| PWM Channels | NO |
| Has ADC | NO |
| DMA Channels | NO |
| DAC Channels | NO |
| RoHS | Yes |
| Eccn Code | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| REACH | Compliant |
| Military Spec | False |
Download the complete datasheet for Microchip AT89C55WD-33AU to view detailed technical specifications.
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