IC Mcu 8 Bit Romless 44PLCC
8-Bit MCU, 40MHz, 5V, 44-Pin PQFP, Industrial
80C51 32-Bit Microcontroller, 40MHz, 5V, PLCC, -40°C to 85°C
ROMless 8051 Microcontroller, 40MHz, 32 I/Os, QFP Package, -40°C to 85°C