In April 1969, Busicom approached Intel to produce a new design for an electronic calculator. They based their design on the architecture of the 1965 Olivetti Programma 101, one of the world's first tabletop programma… See more

Three other CPU chip designs were produced at about the same time: the Four-Phase Systems AL1, done in 1969; the MP944, completed in 1970 and used in the F-14 Tomcat fighter jet; and the Texas Instruments TMS … See more

The 4004 employs an 10 μm process silicon-gate enhancement-load pMOS technology on a 12 mm die and can execute approximately 92000 instructions per second; a single instruction cycle is 10.8 microseconds. … See more

• Maximum clock rate is 740 kHz. The 4004 had this maximum clock rating upon its initial 1971 release.
• Instruction cycle time: minimum 10.8 μs (8 clock cycles per machine cycle).… See more