2.3  Intel i4040 processor

Identification

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Model name: i4040.
Supplier: Intel.
Component class: CPU.

Compatibility

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Intel i4004 CPU with extra features:

• more instructions,
• interrupt support.

Architecture

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4 bit data bus.
12 bit address bus (multiplexed).
Separate address space for instructions and data (Harvard architecture).

Physics

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Manufacturing technology: PMOS.

Packaging: 24 pin CerDIP.

Dates

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Introduction date: 1972.

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