Programmable Interval Timer
This datasheet includes multiple variants, all published together in a single manufacturer document.
| Part number | Am8253-5 |
|---|---|
| Manufacturer | AMD |
| File Size | 272.17 KB |
| Description | Programmable Interval Timer |
| Datasheet | Am8253-5 Am8253 Datasheet (PDF) |
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The Am8253/Am8253-5 are programmable counter/timer chips designed for use as Am8080NAm8085A Family peripherals. They use NMOS technology with a single +5V supply and are direct replacements for Intel's 8253/8253-5. Each device is organized as three independent 16-bit counters, each counter having a rate of up to 2.5MHz.
| Part Number | Description |
|---|---|
| Am8253 | Programmable Interval Timer |
| Am8251 | Programmable Communications Interface |
| Am8255A | Programmable Peripheral Interface |
| Am8255A-5 | Programmable Peripheral Interface |
| AM8212 | 8-Bit Input/Output Port |
| Am8216 | 4-Bit Parallel Bidirectional Bus Driver |
| Am8224 | Clock Generator and Driver |
| Am8226 | 4-Bit Parallel Bidirectional Bus Driver |
| Am8228 | System Controller and Bus Driver |
| Am8238 | System Controller and Bus Driver |
