National Semiconductor's SC/MP for Simple Cost-effective Micro Processor, is an early 8-bit microprocessor which became available in April 1976. It was designed to allow systems to be implemented with
PMOS SC/MP (ISP-8A/500)
PMOS SC/MP die (ISP-8A/500)
National Semiconductor SC/MP Development System
NMOS SC/MP-2 die (ISP-8A/600)
Sinclair Radionics Ltd was a company founded by Sir Clive Sinclair in Cambridge, England which developed hi-fi products, radios, calculators and scientific instruments.
The Sinclair Micromatic pocket radio
The Sinclair Executive calculator
Sinclair MTV-1 television