Please send RFQ , we will respond immediately.
| Part Number | AT80C51RA2-RLTUL | AT80C51RA2-RLTUM | AT80C51RA2-RLRUL | 
|---|---|---|---|
| Manufacturer | Microchip Technology | Atmel | Atmel | 
| Product Status | Obsolete | Obsolete | Active | 
| Core Processor | 80C51 | 80C51 | 80C51 | 
| Core Size | 8-Bit | 8-Bit | 8-Bit | 
| Speed | 30/20MHz | 40/20MHz | 30/20MHz | 
| Connectivity | UART/USART | UART/USART | UART/USART | 
| Peripherals | POR, PWM, WDT | POR, PWM, WDT | POR, PWM, WDT | 
| Number of I/O | 32 | 32 | 32 | 
| Program Memory Size | - | - | - | 
| Program Memory Type | ROMless | ROMless | ROMless | 
| EEPROM Size | - | - | - | 
| RAM Size | 512 x 8 | 512 x 8 | 512 x 8 | 
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V | 4.5V ~ 5.5V | 2.7V ~ 5.5V | 
| Data Converters | - | - | - | 
| Oscillator Type | Internal | Internal | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 44-LQFP | 44-LQFP | 44-LQFP | 
| Supplier Device Package | 44-VQFP (10x10) | 44-VQFP (10x10) | 44-VQFP (10x10) |