SN8P2501B/B1 IHRC I/O Type 8-Bit Micro-Controller .
SN8P2501B1S - 8-Bit Micro-Controller
SN8P2501B1 - 8-Bit Micro-Controller
SN8P2501B1P - 8-Bit Micro-Controller
SN8P2501B1X - 8-Bit Micro-Controller