8-Bit MCU, 4.2MHz, 256B RAM, 8KB MROM, 22 I/O, Industrial
8-Bit MROM MCU, 4.2MHz, 48-Pin PQFP, Industrial
Microcontroller, 8-Bit, MROM, 12.5MHz, CMOS, PQFP64, 0.65 MM PITCH, PLASTIC, LQFP-64