Key facts
- Brand
- STMicroelectronics
- Model
- M74HC257
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-08-10
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STMicroelectronics M74HC257 Quad 2-Channel Multiplexer Datasheet
The M74HC257 is a high-speed CMOS quad 2-channel multiplexer fabricated with silicon gate C2MOS technology. It consists of four independent 2-channel multiplexers with common SELECT and ENABLE inputs. The device is non-inverting and pin and function compatible with the 74 series 257.
Read onlineSTMicroelectronics M74HC257 specifications
| Supply Voltage Range | 2V to 6V |
|---|---|
| Propagation Delay (Typical) | 11 ns |
| Operating Temperature Range | -55 to 125 °C |
Source: STMicroelectronics M74HC257 Quad 2-Channel Multiplexer Datasheet
All STMicroelectronics M74HC257 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the function of the OE input?
When the ENABLE input is held "High", the outputs of the IC become in a High-Impedance state.
From: STMicroelectronics M74HC257 Quad 2-Channel Multiplexer Datasheet
How does the SELECT input determine the output?
If the SELECT input is held low, "A" data is selected; when SELECT is high, "B" data is chosen.
From: STMicroelectronics M74HC257 Quad 2-Channel Multiplexer Datasheet
What is the operating supply voltage range for the M74HC257?
The device operates from 2 V up to 6 V.
From: STMicroelectronics M74HC257 Quad 2‑Channel Multiplexer (3‑State) Datasheet
What is the maximum power dissipation rating?
Maximum power dissipation is 500 mW (derated to 300 mW at 85 °C).
From: STMicroelectronics M74HC257 Quad 2‑Channel Multiplexer (3‑State) Datasheet