Intel 4004

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The Intel 4004 is an early single chip computer chip, from 1971, and a lineal ancestor of the Pentium microprocessor.^[1]^[2]

**intel 4004 specifications**
specification	value
number of transistors	2,300 transistor on die^[1]^[2]
clock speed	108 hertz^[2], 740 hertz^[1]
bus speed	108 hertz^[2]
instruction set	46 instructions^[1]
Registers	16 4 bit registers or eight bit registers.^[1]
introduction date	November 1971^[2]
memory	1k data memory, 4k program memory^[1]
address space	4k^[1]
transistor size	10 micron^[2]

The computer had separate data and memory spaces. The maximum addressable memory was 4 kilobytes.^[1]

According to the History of Computing website the chip "it is widely considered to be the world's first commercial single-chip microprocessor."^[1]

References[edit]

↑ ^1.0 ^1.1 ^1.2 ^1.3 ^1.4 ^1.5 ^1.6 ^1.7 ^1.8 The Industrial Era: 1970 - 1971, History of Computing. Retrieved on 2008-04-15. “In February Intel releases the 4004 microprocessor to the market. It has 12 sq mm die size and 16 pins which fit in to a motherboard.”
↑ ^2.0 ^2.1 ^2.2 ^2.3 ^2.4 ^2.5 Microprocessor quick reference guide: Intel486™ Processors and Earlier, Intel Museum. Retrieved on 2012-06-06.