Key facts
- Brand
- Philips
- Model
- 74F138
- Category
- Other Electronics
- Industry
- Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2012-07-06
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Philips 74F138 1-of-8 Decoder/Demultiplexer Product Specification
The Philips 74F138 is a 1-of-8 decoder/demultiplexer designed for applications such as memory chip select decoding. It accepts three binary weighted inputs (A0, A1, A2) and, when enabled, provides eight mutually exclusive, active low outputs (Q0 – Q7). The device features three enable inputs: two active low (E0, E1) and one active high (E2), allowing for easy parallel expansion to a 1-of-32 decoder.
Read onlinePhilips 74F138 specifications
| Supply Voltage (VCC) | 4.5V to 5.5V |
|---|---|
| Operating Temperature (Commercial) | 0°C to +70°C |
| Operating Temperature (Industrial) | -40°C to +85°C |
| Typical Propagation Delay | 5.8ns |
Source: Philips 74F138 1-of-8 Decoder/Demultiplexer Product Specification
All Philips 74F138 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What are the enable inputs for the 74F138?
The device features three enable inputs: two active low (E0, E1) and one active high (E2).
From: Philips 74F138 1-of-8 Decoder/Demultiplexer Product Specification
How can the 74F138 be expanded?
It can be expanded to a 1-of-32 decoder using four 74F138s and one inverter.
From: Philips 74F138 1-of-8 Decoder/Demultiplexer Product Specification
What supply voltage range is allowed for the 74F138?
The device operates with a supply voltage from 0.5 V to 7.0 V.