What does the 74LS10 do?
The 74×10 gives you three 3-input NAND gates that you can use individually. A NAND gate is a logic gate that outputs 0 (LOW) only if all of its inputs are 1 (HIGH). In the truth table below, you can see what the output will be for any given input:
74×10 Pinout
The 74×10 has 14 pins and contains three 3-input NAND gates laid out as shown in the pinout diagram below:
| Pin # | Type | Description |
|---|---|---|
| 1 | Input | Input to the first NAND gate. |
| 2 | Input | Input to the first NAND gate. |
| 3 | Input | Input to the second NAND gate. |
| 4 | Input | Input to the second NAND gate. |
| 5 | Input | Input to the second NAND gate. |
| 6 | Output | Output from the second NAND gate. |
| 7 | Power | Connect to ground (GND). |
| 8 | Output | Output from the third NAND gate. |
| 9 | Input | Input to the third NAND gate. |
| 10 | Input | Input to the third NAND gate. |
| 11 | Input | Input to the third NAND gate. |
| 12 | Output | Output from the first NAND gate. |
| 13 | Input | Input to the first NAND gate. |
| 14 | Power | Positive power supply (VCC). Connect to +5V power. |
Technical Specifications
| Physical | |
| Case/Package | PDIP |
| Contact Plating | Gold |
| Mount | Through Hole |
| Number of Pins | 14 |
| Technical | |
| High Level Output Current | -5.2 mA |
| Logic Function | NAND |
| Low Level Output Current | 5.2 mA |
| Max Operating Temperature | 125 °C |
| Max Output Current | 5.2 mA |
| Max Supply Voltage | 6 V |
| Min Operating Temperature | -55 °C |
| Min Supply Voltage | 2 V |
| Number of Bits | 3 |
| Number of Circuits | 3 |
| Number of Elements | 3 |
| Number of Gates | 3 |
| Number of Input Lines | 3 |
| Number of Inputs | 3 |
| Number of Output Lines | 1 |
| Number of Outputs | 1 |
| Output Current | 5.2 mA |
| Propagation Delay | 26 ns |
| Quiescent Current | 2 µA |
| Schmitt Trigger Input | No |
| Termination | Through Hole |
| Turn-On Delay Time | 20 ns |
