Intel^®, the inventor of the microprocessor, is today one of the world's most important manufacturers of PC components with focus on processors and embedded controllers, internet services, networking and communications.
Intel's major customers are distributors, Original Equipment Manufacturers of computer systems and peripherals, and PC users.
Well established is the x86 family of microprocessors and controllers, starting with the 16-bit members of the 80186 group up to the high-end microprocessors like Pentium^®  .
From the most basic MCS^® 51 microcontroller to the most advanced MCS^® 251 microcontrollers, Intel^® offers you a fast, easy and cost-effective upgrade path that combines high performance and richer feature sets with full pin and code compatibility. Like the original MCS^® 51 microcontroller, the MCS^® 151 and MCS^® 251 microcontrollers are available in a wide choice of packaging, pricing and feature options.
Intel's 8-bit MCS^® 51 CHMOS microcontroller family is optimized for control-oriented applications that require lower power, higher integration and higher performance. The MCS^® 151 microcontroller is a "drop-in" high-performance upgrade that gives you up to 5x faster performance. The MCS^® 251 microcontroller offers advanced architecture and richer features that enable performance gains up to 15x, simply by recompiling your existing MCS^® 51 code.