- AT89C4051-24PCIC MICRO CTRL 24MHZ 20DIP|ATMEL|Lead All|RoHS Mixed
- AT89C4051-24PIIC MICRO CTRL 24MHZ 20DIP|ATMEL|Lead All|RoHS Mixed
- AT89C4051-24SCIC MCU 2K FLASH 24MHZ 20-SOIC|ATMEL|Lead All|RoHS Mixed
- AT89C4051-24SIIC MCU 2K FLASH 24MHZ 20-SOIC|ATMEL|Lead All|RoHS Mixed