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| PartNumber | AT89C51RB2-RLTUM | AT89C51RB2-RLTUL | AT89C51RB2-RLTUM QFP44 |
| Description | 8-bit Microcontrollers - MCU 16kB Flash 1280B RAM 2.7V-5.5V | 8-bit Microcontrollers - MCU C51RB2 FLASH 3V 16k ind | |
| Manufacturer | Microchip | Microchip | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | VQFP-44 | VQFP-44 | - |
| Series | 89C | 89C | - |
| Core | 8051 | 8051 | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 60 MHz | 60 MHz | - |
| Program Memory Size | 16 kB | 16 kB | - |
| Data RAM Size | 1.25 kB | 1.25 kB | - |
| ADC Resolution | No ADC | No ADC | - |
| Number of I/Os | 32 I/O | 32 I/O | - |
| Operating Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Tray | Tray | - |
| Height | 1.45 mm | 1.45 mm | - |
| Length | 10.1 mm | 10.1 mm | - |
| Product | MCU | MCU | - |
| Program Memory Type | Flash | Flash | - |
| Width | 10.1 mm | 10.1 mm | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Interface Type | SPI, UART | SPI, UART | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of Timers/Counters | 3 Timer | 3 Timer | - |
| Processor Series | AT89x | AT89x | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 160 | 160 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 5.5 V | 3.6 V | - |
| Supply Voltage Min | 2.7 V | 2.7 V | - |
| Unit Weight | 0.705479 oz | - | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
AT89C51RB2-RLTUM | 8-bit Microcontrollers - MCU 16kB Flash 1280B RAM 2.7V-5.5V | |
| AT89C51RB2-RLTUL | 8-bit Microcontrollers - MCU C51RB2 FLASH 3V 16k ind | ||
| AT89C51RB2-RLTUL | Microcontrollers - MCU 8-bit Microcontrollers - MCU C51RB2 FLASH 3V 16k ind | ||
| AT89C51RB2-RLTUM | Microcontrollers - MCU 8-bit Microcontrollers - MCU 16kB Flash 1280B RAM 2.7V-5.5V | ||
| AT89C51RB2-RLTUM QFP44 | New and Original |