PartNumber | AT89C51RD2-RLTUM | AT89C51RD2-SLRUM | AT89C51RD2-RLRUM |
Description | 8-bit Microcontrollers - MCU C51RD2 64K FLASH 3-5.5V Ind | 8-bit Microcontrollers - MCU C51RD2 64K FLASH 3-5.5V | 8-bit Microcontrollers - MCU C51RD2 32K FLASH 5V Com |
Manufacturer | Microchip | Microchip | Microchip |
Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
RoHS | Y | Y | Y |
Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
Package / Case | VQFP-44 | PLCC-44 | LQFP-44 |
Series | 89C | - | - |
Core | 8051 | 8051 | 8051 |
Data Bus Width | 8 bit | 8 bit | 8 bit |
Maximum Clock Frequency | 60 MHz | 60 MHz | 60 MHz |
Program Memory Size | 64 kB | 64 kB | 64 kB |
Data RAM Size | 2 kB | 1.75 kB | 2 kB |
ADC Resolution | No ADC | No ADC | No ADC |
Number of I/Os | 32 I/O | 34 I/O | 32 I/O |
Operating Supply Voltage | 2.7 V to 5.5 V | 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 | Reel | Reel |
Height | 1.45 mm | - | - |
Length | 10.1 mm | - | - |
Product | MCU | MCU | MCU |
Program Memory Type | Flash | Flash | Flash |
Width | 10.1 mm | - | - |
Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
Interface Type | SPI, UART | SPI, UART | SPI, UART |
Moisture Sensitive | Yes | Yes | Yes |
Number of Timers/Counters | 3 Timer | 3 Timer | 3 Timer |
Processor Series | AT89x | AT89x | AT89x |
Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
Factory Pack Quantity | 160 | 500 | 1500 |
Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
Supply Voltage Max | 5.5 V | 5.5 V | - |
Supply Voltage Min | 2.7 V | 2.7 V | - |
Unit Weight | 0.031993 oz | 0.084185 oz | 0.012561 oz |
Data RAM Type | - | XRAM | - |
Data ROM Size | - | 2 kB | - |
Data ROM Type | - | EEPROM | - |