8-bit microcontroller featuring an 8051 CPU core, operating at a maximum clock frequency of 40MHz. This CMOS device offers 16KB of FLASH program memory and 256 bytes of RAM. It includes 32 programmable I/O lines and an 8-bit external data bus. Packaged in a 44-terminal VQFP (S-PQFP-G44) with a temperature grade of INDUSTRIAL, it supports supply voltages from 2.7V to 5.5V.
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Atmel AT89C51RB2-RLTUM 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 | 29 |
| Supply Voltage-Nom | 5 |
| Supply Voltage-Min | 2.7 |
| Supply Voltage-Max | 5.5 |
| Clock Frequency-Max | 40 |
| 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 | 40 |
| ROM Programmability | FLASH |
| ROM (words) | 16384 |
| RAM (bytes) | 256 |
| PWM Channels | YES |
| 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 | Compliant |
| Military Spec | False |
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