
8-bit CISC microcontroller featuring an 80C51 core architecture. This ROMLess MCU offers 1.25KB RAM and 32 programmable I/Os, operating at up to 40 MHz. The device supports a single UART interface and is housed in a 44-pin VQFP (Very Thin Quad Flat Package) with gull-wing leads for surface mounting. It operates from 3.3V to 5.5V and is rated for an industrial temperature range of -40°C to 85°C.
Microchip AT80C51RD2-RLRUM technical specifications.
| Basic Package Type | Lead-Frame SMT |
| Package Family Name | QFP |
| Package/Case | VQFP |
| Package Description | Very Thin Quad Flat Package |
| Lead Shape | Gull-wing |
| Pin Count | 44 |
| PCB | 44 |
| Package Length (mm) | 10.1(Max) |
| Package Width (mm) | 10.1(Max) |
| Package Height (mm) | 1.45(Max) |
| Seated Plane Height (mm) | 1.6(Max) |
| Pin Pitch (mm) | 0.8 |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Family Name | AT80 |
| Data Bus Width | 8bit |
| Instruction Set Architecture | CISC |
| Maximum Clock Rate | 40MHz |
| Maximum CPU Frequency | 40MHz |
| Device Core | 80C51 |
| Program Memory Type | ROMLess |
| RAM Size | 1.25KB |
| Number of Programmable I/Os | 32 |
| Core Architecture | 8051 |
| Programmability | No |
| Number of Timers | 3 |
| Interface Type | UART |
| CAN | 0 |
| I2C | 0 |
| SPI | 0 |
| Ethernet | 0 |
| UART | 1 |
| USART | 0 |
| USB | 0 |
| I2S | 0 |
| Max Operating Supply Voltage | 5.5V |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°C |
| Cage Code | 60991 |
| EU RoHS | Yes |
| HTS Code | 8542310001 |
| Schedule B | 8542310000 |
| ECCN | 3A991.a.2 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
Download the complete datasheet for Microchip AT80C51RD2-RLRUM to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.