Intel 4004

E29765
4-bit microprocessor central processing unit microprocessor

The Intel 4004 is the first commercially available microprocessor, a 4-bit CPU introduced in 1971 that launched the microprocessor revolution.

Jump to: Surface forms Statements Referenced by

Observed surface forms (3)

Surface form Occurrences
Intel 4004 microprocessor 1
Intel 4040 1
Intel MCS-4 1

Statements (48)

Predicate Object
instanceOf 4-bit microprocessor ⓘ
central processing unit ⓘ
microprocessor ⓘ
addressBusWidth 12-bit ⓘ
announced November 1971 ⓘ
architecture Harvard architecture ⓘ
bitSlice serial 4-bit data path ⓘ
canAddress up to 16 registers ⓘ
clockSpeed 740 kHz ⓘ
coDesigner Marcian Hoff ⓘ
Masatoshi Shima ⓘ
Stanley Mazor ⓘ
companyCountry United States of America ⓘ
surface form: United States
dataBusWidth 4-bit ⓘ
designLead Federico Faggin ⓘ
dieSize 12 mm² ⓘ
fabricationMaterial silicon ⓘ
fabricationProcess silicon-gate MOS technology ⓘ
family Intel 4004 self-linksurface differs ⓘ
surface form: Intel MCS-4
hasALU 4-bit ALU ⓘ
hasBCDSupport yes ⓘ
instructionCycleTime 10.8 µs ⓘ
instructionSetSize 46 instructions ⓘ
instructionType binary-coded decimal oriented ⓘ
introduced 1971 ⓘ
manufacturer Intel Corporation ⓘ
surface form: Intel
marketedAs first commercially available microprocessor ⓘ
maximumAddressableDataMemory 640 bytes ⓘ
maximumAddressableMemory 4096 bytes ⓘ
maximumAddressableProgramMemory 4 KB ⓘ
maximumInstructionsPerSecond ~92,000 instructions per second ⓘ
notableFor launching the microprocessor revolution ⓘ
onChipStackDepth 3 levels ⓘ
originalApplication calculator ⓘ
originalCustomer Busicom ⓘ
packageType 16-pin dual in-line package ⓘ
partOfChipset Intel 4001 ROM ⓘ
Intel 4002 RAM ⓘ
Intel 4003 shift register ⓘ
powerSupplyVoltage 15 V ⓘ
status discontinued ⓘ
successor Intel 4004 self-linksurface differs ⓘ
surface form: Intel 4040

Intel 8008 ⓘ
supportsInterrupts no ⓘ
supportsSubroutines yes ⓘ
technologyNode 10 µm ⓘ
transistorCount 2300 ⓘ
wordLength 4-bit ⓘ

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Intel 4004 → family → Intel 4004 self-linksurface differs ⓘ
this entity surface form: Intel MCS-4
Intel Museum → hasExhibit → Intel 4004 ⓘ
this entity surface form: Intel 4004 microprocessor
Intel Corporation → notableProduct → Intel 4004 ⓘ
Intel 4004 → successor → Intel 4004 self-linksurface differs ⓘ
this entity surface form: Intel 4040