Atmel AT89C1051-12PC 8-Bit Microcontroller 20pin DIP 6pcs

Atmel AT89C51RC-24AU-TW (8051,8031) Flash microcontroller QFP44

AT89LP2052-20PU Microcontroller 8051 Static RAM: 256B Interface: SPIUART 24-55VD

AT89LP51ED2-20AU Microcontroller 8051 Static RAM: 2304B Interface: x150 pieces

AT89LP6440-20PU Microcontroller 8051 Static RAM: 4352B Interface: I2CSPIUART DIP

AT89LP51ED2-20PU Microcontroller 8051 Static RAM: 2304B Interface: I2CSPIUAR

AT80C51RD2-3CSUM Microcontroller 8051 Static RAM: 256B Interface: LINSPIUART DIP

AT89C5131A-RDTUM Microcontroller 8051 Static RAM: 256B Interface: I2CSPIUART VQF