Intel 4040
E660933
The Intel 4040 is a 4-bit microprocessor introduced in 1974 as an enhanced successor to the Intel 4004, featuring expanded instruction set, larger memory addressing, and improved performance for early embedded computing applications.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Intel MCS-4 family | 1 |
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | microprocessor ⓘ |
| addressBusWidth | 12-bit ⓘ |
| architectureType | PMOS ⓘ |
| bitSerialOrParallel | 4-bit parallel ⓘ |
| clockFrequencyRange | 500 kHz to 740 kHz ⓘ |
| commercialStatus | discontinued ⓘ |
| compatibleWith | Intel 4004 NERFINISHED ⓘ |
| dataBusWidth | 4-bit ⓘ |
| hasFeature |
I/O control instructions
ⓘ
binary-coded decimal (BCD) support ⓘ enhanced control instructions ⓘ expanded instruction set compared to Intel 4004 ⓘ improved interrupt capabilities ⓘ larger memory addressing capability than Intel 4004 ⓘ on-chip stack ⓘ subroutine nesting support ⓘ |
| hasRegisterType |
accumulator
ⓘ
index registers ⓘ program counter ⓘ stack registers ⓘ |
| instructionSetSize | 60 instructions ⓘ |
| instructionSetType | CISC ⓘ |
| introducedInYear | 1974 ⓘ |
| logicFamily | PMOS logic ⓘ |
| manufacturer | Intel NERFINISHED ⓘ |
| marketedAs | enhanced version of Intel 4004 ⓘ |
| maximumAddressableDataMemory | 1280 bytes ⓘ |
| maximumAddressableProgramMemory | 8 KB ⓘ |
| maximumStackDepth | 7 levels ⓘ |
| notableFor |
expanded instruction set over first-generation microprocessors
ⓘ
one of the earliest commercially available microprocessors ⓘ |
| packageType | DIP-24 ⓘ |
| partOfFamily | Intel MCS-40 family NERFINISHED ⓘ |
| predecessor | Intel 4004 NERFINISHED ⓘ |
| successor | Intel 4040A NERFINISHED ⓘ |
| supplyVoltage | 15 V ⓘ |
| supports |
RAM addressing up to 1280 bytes
ⓘ
ROM addressing up to 8 KB ⓘ |
| supportsInterrupts | true ⓘ |
| supportsSubroutines | true ⓘ |
| technologyNode | 10 µm ⓘ |
| transistorCount | 3000 ⓘ |
| usedFor |
calculator applications
ⓘ
control systems ⓘ embedded systems ⓘ |
| wordSize | 4-bit ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Intel 4003
subject surface form:
Intel 4002
this entity surface form:
Intel MCS-4 family