AT89C51RD2-SLSIM Atmel Semiconductor

Description: IC MCU 8BIT 64KB FLASH 44PLCC, Packaging: Tube, Package / Case: 44-LCC (J-Lead), Mounting Type: Surface Mount, Speed: 60MHz, Program Memory Size: 64KB (64K x 8), RAM Size: 2K x 8, Operating Temperature: -40°C ~ 85°C (TA), Oscillator Type: External, Program Memory Type: FLASH, Core Processor: 80C51, Core Size: 8-Bit, Voltage - Supply (Vcc/Vdd): 2.7V ~ 5.5V, Connectivity: SPI, UART/USART, Peripherals: POR, PWM, WDT, Supplier Device Package: 44-PLCC (16.6x16.6), Part Status: Obsolete, Number of I/O: 34, DigiKey Programmable: Not Verified.