- AT89S51-24ACIC 8051 MCU 4K FLASH 44 TQFP|ATMEL|Lead All|RoHS Mixed
- AT89S51-24AIIC 8051 MCU 4K FLASH 44TQFP|ATMEL|Lead All|RoHS Mixed
- AT89S51-24JIIC 8051 MCU 4K FLASH 44PLCC|ATMEL|Lead All|RoHS Mixed
- AT89S51-24PCIC 8051 MCU 4K FLASH 40-DIP|ATMEL|Lead All|RoHS Mixed
- AT89S51-24PIIC 8051 MCU 4K FLASH 40-DIP|ATMEL|Lead All|RoHS Mixed
- AT89S52-24ACIC MCU 8K FLASH 24MHZ 44-TQFP|ATMEL|Lead All|RoHS Mixed
- AT89S52-24AIIC MCU 8K FLASH 24MHZ 44-TQFP|ATMEL|Lead All|RoHS Mixed
- AT89S52-24JCIC MCU 8K FLASH 24MHZ 44-PLCC|ATMEL|Lead All|RoHS Mixed
- AT89S52-24JIIC MCU 8K FLASH 24MHZ 44-PLCC|ATMEL|Lead All|RoHS Mixed
- AT89S52-24PCIC MCU 8K FLASH 24MHZ 40-DIP|ATMEL|Lead All|RoHS Mixed