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7414 IC Hex Inverter with Schmitt-Triggers DIP-14
The 74×14 (ex 74HC14) is a common logic IC with six Schmitt-trigger inverters. I love this chip because you can do a lot of cool stuff with it (oscillators, sound, blinking, etc).
Description
7414 IC Hex Inverter with Schmitt-Triggers
The 74×14 (ex 74HC14) is a common logic IC with six Schmitt-trigger inverters. I love this chip because you can do a lot of cool stuff with it (oscillators, sound, blinking, etc).
In this guide, I will show you everything you need to know about this chip so that you’ll be prepared to build your own projects based on this chip.
What does the 74HC14 / 74LS14 do?
The 74×14 gives you six NOT gates that you can use individually. A NOT gate (or inverter) is a logic gate that outputs the opposite of the input. In the truth table below, you can see what the output will be for any given input:
Truth table for the NOT gate (inverter)How To Use This Chip
The 74HC14 comes in a 14-pin package, and you need to connect it to power before you can use it. Most 7400 ICs support a VCC voltage of 5V. One of the differences between the HC and LS chips is that the 74HC14 supports 2V to 6V, while the 74LS14 only supports 5V.
There’s also a 74C14 version that supports up to 15V (and 15 mA of current), but it’s not that easy to find anymore.
To use any of the six Schmitt-trigger inverters inside, just power on the chip by connecting the VCC pin to 5V and the GND pin to 0V (or minus).
74×14 Pinout
The 74×14 has 14 pins and contains six Schmitt-trigger NOT-gates laid out as shown in the pinout diagram below:
| Pin # | Type | Description |
|---|---|---|
| 1 | Input | Input to the first NOT gate. |
| 2 | Output | Output from the first NOT gate. |
| 3 | Input | Input to the second NOT gate. |
| 4 | Output | Output from the second NOT gate. |
| 5 | Input | Input to the third NOT gate. |
| 6 | Output | Output from the third NOT gate. |
| 7 | Power | Connect to ground (GND). |
| 8 | Output | Output from the fourth NOT gate. |
| 9 | Input | Input to the fourth NOT gate. |
| 10 | Output | Output from the fifth NOT gate. |
| 11 | Input | Input to the fifth NOT gate. |
| 12 | Output | Output from the sixth NOT gate. |
| 13 | Input | Input to the sixth NOT gate. |
| 14 | Power | Positive power supply (VCC). Connect to +5V power. |
Specifications:
| Product Attribute | Attribute Value |
| Product Category: | Inverters |
| Number of Circuits: | 6 Circuit |
| Logic Family: | HC |
| Logic Type: | CMOS |
| Package/Case: | PDIP-14 |
| Supply Voltage – Max: | 6 V |
| Supply Voltage – Min: | 2 V |
| Minimum Operating Temperature: | – 40 C |
| Maximum Operating Temperature: | + 85 C |
| Mounting Style: | Through Hole |
| Function: | Hex Schmitt Trigger |
| Height: | 2 mm |
| High Level Output Current: | – 4 mA |
| Input Type: | Schmitt Trigger |
| Length: | 20 mm |
| Low Level Output Current: | 4 mA |
| Number of Output Lines: | 6 Output |
| Operating Supply Voltage: | 5 V |
| Output Type: | CMOS |
| Propagation Delay Time: | 31 ns |
| Series: | SN74HC14 |
| Subcategory: | Logic ICs |
Product Details
RBD-3776
83 Items
Specific References
- EAN13
- 3776
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The 74×14 (ex 74HC14) is a common logic IC with six Schmitt-trigger inverters. I love this chip because you can do a lot of cool stuff with it (oscillators, sound, blinking, etc).