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Am8253-5 - Programmable Interval Timer

Download the Am8253-5 datasheet PDF. This datasheet also covers the Am8253 variant, as both devices belong to the same programmable interval timer family and are provided as variant models within a single manufacturer datasheet.

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.

Key Features

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📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (Am8253-AMD.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number Am8253-5
Manufacturer AMD
File Size 272.17 KB
Description Programmable Interval Timer
Datasheet download datasheet Am8253-5 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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 programmable. For improved performance, see Am9513 System Timing Controller.