AT89S52 Datasheet PDF - Microchip

ATMEL AT89S52-24PU 8Bit Microcontroller, Low Voltage High Performance CMOS, AT89S52, 24MHz, 8KB, 256Byte, 40Pins

ATMEL AT89C2051-24PU 8Bit Microcontroller, High Performance CMOS, AT89C2051, 24MHz, 2KB, 128Byte, 20Pins, DIP

MCU 8Bit AT89 CISC 8KB Flash 5V 44Pin PLCC

ATMEL AT89C2051-24SU 8Bit Microcontroller, High Performance CMOS, AT89C2051, 24MHz, 2KB, 128Byte, 20Pins, SOIC

8051 8K ISP FLASH 4V TO 5.5V - 24MHz, PDIP, IND TEMP, GREEN

ATMEL AT89C4051-24PU 8Bit Microcontroller, High Performance CMOS, AT89C4051, 24MHz, 4KB, 128Byte, 20Pins, DIP

8051 MCU, 20Pins, UART, 2K FLASH - 24MHz, PDIP, IND TEMP, GREEN, 5V

Microcontroller, 8Bit, FLASH, 8051 CPU, 24MHz, CMOS, PDIP40, 0.6INCH, GREEN, PLASTIC, MS-011AC, DIP-40

ATMEL AT89S51-24PU 8Bit Microcontroller, Low Voltage High Performance CMOS, AT89S51, 24MHz, 4KB, 128Byte, 40Pins