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| PartNumber | AT89C51RD2-SLSUM | AT89C51RD2-SLRUM |
| Description | 8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V | 8-bit Microcontrollers - MCU C51RD2 64K FLASH 3-5.5V |
| Manufacturer | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT |
| Package / Case | PLCC-44 | PLCC-44 |
| Series | 89C | - |
| Core | 8051 | 8051 |
| Data Bus Width | 8 bit | 8 bit |
| Maximum Clock Frequency | 60 MHz | 60 MHz |
| Program Memory Size | 64 kB | 64 kB |
| Data RAM Size | 2 kB | 1.75 kB |
| ADC Resolution | No ADC | No ADC |
| Number of I/Os | 32 I/O | 34 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 | Tube | Reel |
| Height | 3.48 mm | - |
| Length | 16.7 mm | - |
| Product | MCU | MCU |
| Program Memory Type | Flash | Flash |
| Width | 16.7 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 | 27 | 500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V |
| Supply Voltage Min | 2.7 V | 2.7 V |
| Unit Weight | 0.084185 oz | 0.084185 oz |
| Data RAM Type | - | XRAM |
| Data ROM Size | - | 2 kB |
| Data ROM Type | - | EEPROM |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
AT89C51RD2-SLSUM | 8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V | |
| AT89C51RD2-SLRUM | 8-bit Microcontrollers - MCU C51RD2 64K FLASH 3-5.5V | ||
| AT89C51RD2-SLRUM | Microcontrollers - MCU 8-bit Microcontrollers - MCU C51RD2 64K FLASH 3-5.5V | ||
| AT89C51RD2-SLSUM | Microcontrollers - MCU 8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V | ||
| AT89C51RD2-SLSIM | IC MCU 8BIT 64KB FLASH 44PLCC | ||
| AT89C51RD2-SLRIM | IC MCU 8BIT 64KB FLASH 44PLCC | ||
| AT89C51RD2-SLSUM SL840 | New and Original | ||
| AT89C51RD2-SLSUM(PROG) | New and Original |