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| PartNumber | AT89C51RE2-SLSUM | AT89C51RE2-RLTUM | AT89C51RE2-SLRUM |
| Description | 8-bit Microcontrollers - MCU C51RE2 128k FLASH 2.7V | IC MCU 8BIT 128KB FLASH 44VQFP | IC MCU 8BIT 128KB FLASH 44PLCC |
| Manufacturer | Microchip | - | |
| Product Category | 8-bit Microcontrollers - MCU | Embedded - Microcontrollers | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | PLCC-44 | - | - |
| Series | 89C | 89C | - |
| Core | 8051 | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 60 MHz | - | - |
| Program Memory Size | 128 kB | 128KB (128K x 8) | - |
| Data RAM Size | 8 kB | - | - |
| ADC Resolution | No ADC | - | - |
| Number of I/Os | 34 I/O | - | - |
| Operating Supply Voltage | 2.7 V to 5.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tube | Tray | - |
| Height | 3.48 mm | - | - |
| Length | 16.7 mm | - | - |
| Program Memory Type | Flash | FLASH | - |
| Width | 16.7 mm | - | - |
| Brand | Microchip Technology / Atmel | - | - |
| Interface Type | SPI, UART | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of Timers/Counters | 3 Timer | - | - |
| Processor Series | AT89x | - | - |
| Product Type | 8-bit Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 27 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 2.7 V | - | - |
| Unit Weight | 0.084185 oz | - | - |
| Package Case | - | 44-LQFP | - |
| Operating Temperature | - | -40°C ~ 85°C (TA) | - |
| Supplier Device Package | - | 44-VQFP (10x10) | - |
| Number of I O | - | 34 | - |
| Speed | - | 60MHz | - |
| EEPROM Size | - | - | - |
| Core Processor | - | - | |
| RAM Size | - | 8K x 8 | - |
| Peripherals | - | POR, PWM, WDT | - |
| Connectivity | - | I2C, SPI, UART/USART | - |
| Voltage Supply Vcc Vdd | - | 2.7 V ~ 5.5 V | - |
| Core Size | - | 8-Bit | - |
| Data Converters | - | - | - |
| Oscillator Type | - | External | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
AT89C51RE2-SLSUM | 8-bit Microcontrollers - MCU C51RE2 128k FLASH 2.7V | |
| AT89C51RE2-SLSUM | IC MCU 8BIT 128KB FLASH 44PLCC | ||
| AT89C51RE2-RLTUM | IC MCU 8BIT 128KB FLASH 44VQFP | ||
| AT89C51RE2-SLRUM | IC MCU 8BIT 128KB FLASH 44PLCC | ||
| AT89C51RED2-RLTUM | New and Original |