Microchip (Atmel) AT89C55WD-24JU 8-bit Microcontroller, 20KB Flash, 256B SRAM, 24MHz, PLCC44 SMD

Technical description of the product (AT89C55WD-24JU):

AT89C55WD-24JU. RoHS: Yes. Component family: Microcontroller integrated circuit. Package type: PCB mountable (SMD). Package: PLCC44. Design: Surface-mounted (SMD). Number of leads: 44. MCU type: Microcontroller, 8-bit. MCU circuit family: ATMEL AT89. Max CPU clock speed: 24 MHz. Number of I/O: 32. Program memory: 20 KByte. Program memory type: Flash. Data memory: 256 Byte. Data memory type: SRAM. Digital peripheral circuits: WDT. Digital interface circuits: UART. Analog peripheral circuits: None. Supply voltage min: +4 V. Supply voltage max: +5.5 V. Operating temperature range min: -40 °C. Operating temperature range max: +85 °C.