Operating Temperature 0°C~70°C TA
Packaging Tube
Published 1996
Series 89C
Part Status Obsolete
Moisture Sensitivity Level (MSL) 2 (1 Year)
Base Part Number AT89C55
Oscillator Type Internal
Number of I/O 32
Speed 24MHz
RAM Size 256 x 8
Voltage - Supply (Vcc/Vdd) 4.5V~5.5V
Core Processor 8051
Peripherals WDT
Program Memory Type FLASH
Core Size 8-Bit
Program Memory Size 20KB 20K x 8
Connectivity UART/USART