Intel 8080

E163113

The Intel 8080 is an 8-bit microprocessor introduced in 1974 that became one of the earliest widely used CPUs in personal computers and helped establish the x86 architecture’s lineage.

All labels observed (3)

Label Occurrences
Intel 8080 canonical 19
Intel 8080 microprocessor 1
Intel 8085 1

How this entity was disambiguated

Statements (51)

Predicate Object
instanceOf 8-bit microprocessor
microprocessor
addressBusWidth 16-bit
applicationDomain embedded systems
industrial control systems
personal computers
architectureWidth 8-bit
clockSpeedRange 2 MHz to 3.125 MHz
dataBusWidth 8-bit
endianness little-endian
fabricationProcess NMOS
hasRegister A
B
C
D
E
H
L
PC
SP
flags register
influenced Intel 8085
Intel 8086
x86 architecture lineage
instructionSetCompatibility binary incompatible with Intel 8008
instructionSetWidth 8-bit
introduced 1974
manufacturer Intel Corporation
surface form: Intel
marketPosition one of the first widely used general-purpose microprocessors
maxAddressableMemory 64 KB
microarchitecture PMOS to NMOS 8-bit design
notableSoftware CP/M
surface form: CP/M operating system

early Microsoft BASIC interpreters
packageType 40-pin DIP
predecessor Intel 8008
registerPair BC
DE
HL
requiredSupportVoltages +12 V
−5 V
successor Intel 8085
Intel 8086
supplyVoltage +5 V
technologyNode 6 µm
transistorCount 6000
typicalClockSpeed 2 MHz
usedIn IMSAI 8080
MITS Altair 8800
early S-100 bus computers
early personal computers
wordSize 8-bit

How these facts were elicited

Referenced by (21)

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

Intel 8086 predecessor Intel 8080
Intel 8086 predecessor Intel 8080
this entity surface form: Intel 8085
CP/M designedFor Intel 8080
Intel Museum hasExhibit Intel 8080
this entity surface form: Intel 8080 microprocessor
Zilog Z80 compatibleWith Intel 8080
Zilog Z80 backwardCompatibleWith Intel 8080
Intel 8008 successor Intel 8080
CCP runsOn Intel 8080
S-100 bus computers commonCPU Intel 8080
MITS Altair 8800 cpu Intel 8080
Multibus typicalCPU Intel 8080
Intel 8085 predecessor Intel 8080
Motorola 6800 microprocessor competedWith Intel 8080
subject surface form: Motorola 6800
Masatoshi Shima notableWork Intel 8080
Masatoshi Shima designed Intel 8080