8253 TIMER Datasheet pdf - INTERVAL TIMER. Equivalent, Catalog
P8253-5 Intel Programmable Interval Timer IC Plastic 8253 Used Socket Pull Qty 1 | eBay
P8253-5 Programmable Interval Timer IC Intel | West Florida Components
Here is a great example of an Intel 8253 Processor from 1977. Several shots are shown...enjoy! : r/electronics
8253 Timer In software programming of 8085, it has been shown that a delay subroutine can be programmed to introduce a predefined time delay. The delay. - ppt download