Model name:
i4004.
Supplier:
Intel.
Component class:
CPU.
4 bit data bus.
12 bit address bus (multiplexed).
Separate address space for instructions and data (Harvard architecture).
Manufacturing technology:
PMOS.
Number of transistors: 2250.
Die size: 24 mm2.
Packaging: 16 pin CerDIP.
First microprocessor ever built.
Model name:
i4040.
Supplier:
Intel.
Component class:
CPU.
Intel i4004 CPU with extra features:
4 bit data bus.
12 bit address bus (multiplexed).
Separate address space for instructions and data (Harvard architecture).
Manufacturing technology:
PMOS.
Packaging: 24 pin CerDIP.
Model name:
i8008.
Supplier:
Intel.
Component class:
CPU.
8 bit data bus.
14 bit address bus (multiplexed).
Separate address space for instructions and data (Harvard architecture).
|
|
Clock speed |
---|
300 kHz |
Manufacturing technology:
PMOS.
Number of transistors: 3300.
Packaging: 18 pin CerDIP.
Introduction date: April 1972.
Model name:
i8080/i8080A.
Supplier:
Intel.
Component class:
CPU.
Generation: 8080.
Intel i8008 CPU with stack.
8 bit data bus.
16 bit address bus.
Separate address space for instructions and data (Harvard architecture).
Model | Manufacturing technology | Number of transistors | Introduction |
---|---|---|---|
Intel i8080 CPU | PMOS | 4500 | 1973 |
Intel i8080A CPU | NMOS | 4000 | 1976 |
Clock speed | Model | Compatibility | Periphery | Manufacturing technology |
---|---|---|---|---|
2 MHz | Intel i8080 CPU | PMOS | ||
2.67 MHz | Intel i8080A-2 CPU | NMOS | ||
3.125 MHz | Intel i8080A-1 CPU | NMOS | ||
Intel iM8080A CPU | military (-55 - 125 °C) |
Packaging: 40 pin CerDIP.
Introduction date: April 1974.
Model name:
Z80.
Supplier:
Zilog.
Component class:
CPU.
Generation: 8080.
Intel i8080 CPU upward instruction compatible.
Not Intel i8080 CPU pin compatible.
Packaging: 40 pin CerDIP.
Model name:
i8085A/i8085AH.
Supplier:
Intel.
Component class:
CPU.
Generation: 8080.
Intel i8080 CPU upward instruction compatible.
Extra instructions:
Extra interrupt lines, including NMI (Non-Maskable Interrupt).
8 bit data bus.
16 bit address bus.
Data and address bus are multiplexed.
Separate address space for instructions and data (Harvard architecture).
Clock speed | Model | Periphery | Manufacturing technology |
---|---|---|---|
3 MHz | Intel i8085A | NMOS | |
Intel iM8085A CPU | military (-55 - 125 °C) | NMOS | |
5 MHz | Intel i8085AH-2 CPU | HMOS | |
6 MHz | Intel i8085AH-1 CPU | HMOS | |
Intel iM8085AH CPU | military (-55 - 125 °C) | HMOS |
Number of transistors: 6200.
Packaging: 40 pin CerDIP.
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