2 PCS AT89S52-24JU PLCC-44 89S52 8-bit Microcontroller with Programmable Flash

10 PCS AT89S52-24AU QFP-44 89S52 8-bit Microcontroller with Programmable Flash

2 PCS AT89S52-24JU PLCC-44 89S52 8-bit Microcontroller with Programmable Flash

5 PCS AT89S52-24JU PLCC-44 89S52 8-bit Microcontroller with Programmable Flash

5 PCS AT89C55WD-24JU PLCC-44 AT89C55WD AT89C55 8-bit Microcontroller IC Chip

2 PCS AT89S52-24PU DIP-40 89S52 8-bit Microcontroller with 8K Programmable Flash

2 PCS AT89S52-24AU QFP-44 89S52 8-bit Microcontroller with Programmable Flash

1X AT89C51RD2-SLSIM ATMEL 8 Bit 8051 Flash MCU 64K 40MHz PLCC-44 Microcontroller