MCS-80/85
Intel MCS-80/85 Family Products
| Part | Description | Year |
| 8008 | 8-bit Microprocessor | April 1972 |
| 8080 | 8-bit Microprocessor | April 1974 |
| 8080A | 8-bit Microprocessor | Early 1975 |
| 8080B | 8-bit Microprocessor | 2nd Qtr 1978 |
| 8085 | 8-bit Microprocessor | March 1976 |
| 8085A | 8-bit Microprocessor | 1978 |
| 8085AH | 8-bit Microprocessor | 1981-83 |
| 8155 | 2048-bit (256 x 8) Static RAM w/I/O Ports and Timer, CE Active Low | 1977 |
| 8155H | 2048-bit (256 x 8) Static RAM w/I/O Ports and Timer, CE Active Low | 1982 |
| 8156 | 2048-bit (256 x 8) Static RAM w/I/O Ports and Timer, CE Active High | 1977 |
| 8156H | 2048-bit (256 x 8) Static RAM w/I/O Ports and Timer, CE Active High | 1982 |
| 8185 | 8192-bit (1024 x 8) Static RAM for MCS-85™ | 1978-79 |
| 8218 | Bipolar Microcomputer Bus Controller for MCS-80™ | 1979-80 |
| 8219 | Bipolar Microcomputer Bus Controller for MCS-85™ | 1979-80 |
| 8224 | Single Chip Clock Generator/Driver for 8080A CPU | 1974 |
| 8228/3228 | System Controller and Bus Driver for 8080A CPU | 1975 |
| 8231 | Arithmetic Processing Unit | 1980 |
| 8231A | Arithmetic Processing Unit | 1981-83 |
| 8232 | Floating Point Processor | 1980 |
| 8238/ | System Controller and Bus Driver w/Advanced IOW/MEMW for | 1976 |
| 3238 | 8080A CPU | |
| 8355 | 16,384-bit (2048 x 8) ROM with I/O | 1977-78 |
| 8755 | 16,384-bit (2048 x 8) EPROM with I/O | 1976-77 |
| 8755A | 16,384-bit (2048 x 8) EPROM with I/O | 1978-79 |
| 8801 | Clock Generator Crystal for 8224/8080A | 1975-77 |
The original 8080 had an issue that prevented it from working with external TTL components as intended. This was fixed with the introduction of the "A" versions.
| Part | Frequency | Description | Photo |
|---|---|---|---|
| 8080 | 500 kHz - 2.08 MHz | MPU, Original, has compatibility issues with TTL |  |
| 8080A | 500 kHz - 2.08 MHz | MPU |
|
| 8080A-1 | 500 kHz - 3.12 MHz | MPU |  |
| 8080A-2 | 500 kHz - 2.63 MHz | MPU |  |
| 8224 | clock generator & driver | ||
| 8801 | clock generator crystal | ||
| 8228 | system controller & bus driver | ||
| 8238 | system controller & bus driver | ||
| 8257 | Programmable DMA Controller | ||
| 8259 | Programmable Interrupt Controller | ||
| 8279 | Programmable Keyboard/Display Controller | ||
| 8271 | Programmable Floppy Disk Controller | ||
| 8222 | Dynamic RAM Refresh Controller | ||
| 8205 | 1 Of 8 Binary Decoder | ||
| 8210 | TTL To MOS Shifter & High Voltage Clock Driver | ||
| 8212 | 8 Bit I/O Port | ||
| 8214 | Priority Interrupt Control Unit | ||
| 8216 | 4 Bit Parallel Bidirectional Bus Driver | ||
| 8251A | Improved Programmable Communication Interface | ||
| 8253 | Programmable Interval Timer | ||
| 8255 | Programmable Peripheral Interface |  |
|
| 8255A | Improved Programmable Peripheral Interface |
Military Specs
The following are military specs versions.
| Part | Frequency | Description | Photo |
|---|---|---|---|
| M8080A | 500 kHz - 2.08 MHz | MPU |  |
| M8224 | clock generator & driver | ||
| M8228 | system controller & bus driver | ||
| M8238 | system controller & bus driver |
Memory
Additional memory components that was used with the MCS-80
| Part | Size | Description |
|---|---|---|
| 8708 | 1024x8 bit | EPROM |
| 2716 | 2048x8 bit | EPROM (pin compatible with 2316E ROM) |
| 8308 | 1024x8 bit | MOS ROM (pin compatible with 8708 PROM) |
| 8316A | 2048x8 bit | MOS RAM |
| 2316E | 2048x8 bit | ROM |
| 2114 | 1024x4 bit | SRAM |
| 2116 | 16384x1 bit | DRAM |