AT89S8253-24PU. Analog peripheral circuits: -. Component family: microcontroller. Configuration: PCB through-hole mounting. Digital interface circuits: UART, SPI. Digital peripheral circuits: WDT. Housing (JEDEC standard): -. Housing: PCB soldering. MCU circuit family: ATMEL AT89. MCU type: 8-bit microcontroller. Max temperature: +85°C.. Number of terminals: 40. Program storage memory type: 'FLASH' memory. Program storage memory: 12 KByte. Storage memory capacity: 256 Byte/2 KByte. Storage memory type: SRAM/EEPROM. [MHz]: 24 MHz. [V]: +5.5V. Original product from manufacturer: Microchip. Quantity in stock updated on 13/11/2025, 08:32