Philips 74HC HCT139 Data Sheet
Summary
The 74HC/HCT139 is a dual 2-to-4 line decoder/demultiplexer, designed as a high-speed Si-gate CMOS device for advanced data routing and memory decoding applications. This manual provides comprehensive documentation, including detailed AC/DC characteristics, functional tables, pin descriptions, and power consumption guidelines for the 74HC and HCT logic families. It is essential reference material for electrical engineers and hardware designers integrating reliable and low-power decoding solutions into their circuits.
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INTEGRATED CIRCUITS
DATA SHEET For a complete data sheet, please also download: The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications The IC06 74HC/HCT/HCU/HCMOS Logic Package Information The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines
74HC/HCT139 Dual 2-to-4 line decoder/demultiplexer
Product specification September
File under Integrated Circuits, IC06
Page Summary Contents For Philips 74HC HCT139 Data Sheet
Manual Details
| Brand | Philips |
|---|---|
| Pages | 7 |
| File Size | 40.39 KB |
| Published | July 15, 2026 |
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Frequently Asked Questions
What is the primary function of the 74HC/HCT139?
It is a dual 2-to-4 line decoder/demultiplexer, providing two independent decoders.
How do I determine the dynamic power dissipation (PD)?
Use the formula: P = C × V × f + ∑ (C × V × f), where LCCo and CCi are capacitance values.
Is this device compatible with other logic levels?
Yes, it is high-speed Si-gate CMOS and is pin compatible with low power Schottky TTL.