Microchip Atmel AT89S51-24AI 8-bit Microcontroller, 24MHz, 4KB FLASH, 128B SRAM, TQFP44 SMD

Technical description of the product (AT89S51-24AI):

RoHS: No. Terminals: 44. Housing: TQFP44. Program Memory: 4 KByte FLASH. Peripheral Circuits: WDT. Clock Frequency: 24 MHz. Mounting: Surface-Mount Device (SMD). Max Operating Temperature: +85°C. Data Memory: 128 Bytes SRAM. Component Family: Microcontroller. I/O Pins: 32. Interface Circuits: UART. MCU Type: 8-bit Microcontroller. MCU Circuit Family: ATMEL AT89. Supply Voltage: +5.5V.