Datasheet Summary
Am8253/Am8253-5 Programmable Interval Timer ADVANCED INFORMATION
DISTINCTIVE CHARACTERISTICS
- Count binary or BCD
- Single +5V supply
- 24-pin dual-in-line package
- Three independent 16-bit counters
- DC to 2.5MHz
- Programmable counter modes
- Bus oriented I/O
- 100% reliability assurance testing to MIL-STD-883
GENERAL DESCRIPTION
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. All modes of operation are software...