AT89S52-24PU

IC MCU 8BIT 8KB FLASH 40DIP,
Embedded - Microcontrollers
Series    89S
Packaging      Tube  
Core Processor    8051
Core Size    8-Bit
Speed    24MHz
Connectivity    UART/USART
Peripherals    WDT
Number of I/O    32
Program Memory Size    8KB (8K x 8)
Program Memory Type    FLASH
EEPROM Size    -
RAM Size    256 x 8
Voltage - Supply (Vcc/Vdd)    4 V ~ 5.5 V
Oscillator Type    Internal
Package / 40-DIP (0.600", 15.24mm)

  data sheet