8-bit microcontroller featuring an 8051 CPU core, operating at a maximum clock frequency of 33MHz with a speed of 24MHz. This FLASH-programmable device offers 20480 words of ROM and 256 bytes of RAM, with 32 I/O lines, an 8-bit external data bus, and a 16-bit address bus. Housed in a 44-terminal PQFP package (10x10mm, 1mm height, 0.80mm pitch), it operates within an industrial temperature range of -40°C to 85°C and supports supply voltages from 4V to 5.5V.
Sign in to ask questions about the Atmel AT89C55WD-24AU datasheet using AI. Get instant answers about specifications, features, and technical details, ideal for finding information in larger documents.
Sign In to ChatWidest selection of semiconductors and electronic components in stock and ready to ship ™
Atmel AT89C55WD-24AU 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 |
| Pin Count | 44 |
| Temperature Grade | INDUSTRIAL |
| Supply Current-Max | 25 |
| Supply Voltage-Nom | 5 |
| Supply Voltage-Min | 4 |
| 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 | 24 |
| 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 |
| Lead Free | Yes |
| HTS Code | 8542.31.00.01 |
| REACH | unknown |
| Military Spec | False |
Download the complete datasheet for Atmel AT89C55WD-24AU to view detailed technical specifications.
The embedded preview will load automatically when this section scrolls into view.
