Key facts
- Brand
- Intersil
- Model
- 82C54
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-06-04
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Intersil 82C54 Programmable Interval Timer Datasheet
The 82C54 programmable interval timer is a high‑performance CMOS device featuring three independent 16‑bit counters, six programmable modes, and binary or BCD counting. It is fully TTL compatible, operates from a single 5 V supply, and offers low power consumption.
The device is offered in several packages (PDIP, PLCC, CERDIP, SOIC) with temperature ranges from 0 °C up to +125 °C depending on the package. Detailed pin descriptions, functional diagrams, and programming instructions are provided for system integration.
Intersil 82C54 specifications
| Clock Input Frequency | 8 MHz to 12 MHz |
|---|---|
| Power Supply | Single 5 V |
| Operating Temperature Range | 0 °C to +70 °C (PDIP), -40 °C to +85 °C (PLCC), -55 °C to +125 °C (CERDIP) |
| Package Types | 24‑lead PDIP, 28‑lead PLCC, 24‑lead CERDIP, 24‑lead SOIC |
| Number of Counters | Three independent 16‑bit counters |
| Programmable Modes | Six programmable counter modes |
Source: Intersil 82C54 Programmable Interval Timer Datasheet
All Intersil 82C54 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the clock input frequency range of the 82C54?
The device accepts clock inputs from 8 MHz up to 12 MHz.
How many counters does the 82C54 have and what are their sizes?
It contains three independent counters, each 16 bits wide.
What is the maximum clock input frequency supported by the 82C54?
The device supports clock inputs up to 12 MHz.
How many counters does the 82C54 provide?
It provides three independent 16‑bit counters.