- P89C664HBA/00,512IC 80C51 MCU FLASH 64K 44-PLCC|NXP SEMICONDUCTORS|Lead free|RoHS Compliant
- P89C664HBBD/00,557IC 80C51 MCU FLASH 64K 44-LQFP|NXP SEMICONDUCTORS|Lead free|RoHS Compliant
- P89C664HFA/00,512IC 80C51 MCU FLASH 64K 44-PLCC|NXP SEMICONDUCTORS|Lead free|RoHS Compliant
- P89C664HFBD/00,557IC 80C51 MCU FLASH 64K 44-LQFP|NXP SEMICONDUCTORS|Lead free|RoHS Compliant