IC Mcu 8 Bit Romless 40DIP
8-Bit 8051 MCU, 40MHz, 44-Pin PQCC, 5V
8-Bit 8051 MCU, 30MHz, 40-Pin DIP, 2.7-5.5V
80C51 8051 Core Microcontroller, 30MHz, 32 I/Os, DIP Package
80C51 40MHz 32-Bit 8051 Microcontroller, LCC Package, 0-70°C
IC Mcu 8 Bit Romless 44VQFP