74LS00 is a member of the 74XXYY IC series. The 74xxyy ICs are the logic gates of digital electronics. 74LS00 is a 14 pin IC with four NAND gates. Each gate has two inputs. Hence name QUAD TWO INPUT NAND GATE.

74LS00 Pinout

74LS00 Pin Configuration
| Pin No | Pin Name | Description |
|---|---|---|
| 1 | A1 | Input Pin A1 Of Gate 1 |
| 2 | B1 | Input Pin B1 Of Gate 1 |
| 3 | Y1 | The output of Gate 1 |
| 4 | A2 | Input Pin A2 Of Gate 2 |
| 5 | B2 | Input Pin B2 Of Gate 2 |
| 6 | Y2 | The output of Gate 2 |
| 7 | GND | Ground |
| 8 | Y3 | The output of Gate 3 |
| 9 | A3 | Input Pin A3 Of Gate 3 |
| 10 | B3 | Input Pin B3 Of Gate 3 |
| 11 | Y4 | The output of Gate 4 |
| 12 | A4 | Input Pin A4 Of Gate 4 |
| 13 | B4 | Input Pin B4 Of Gate 4 |
| 14 | VCC | Source Supply |
74LS00 Specifications
- Operating voltage range: +4.75 to +5.25V
- Maximum supply voltage:7V
- Maximum current per gate: 8mA
- TTL outputs
- Maximum ESD: 3.5KV
- Typical Rise Time: 15ns
- Typical Fall Time: 15ns
- Operating temperature: 0°C to 75°C
Application
- Security Alarms
- Thermostat
Datasheet
You can download this datasheet for 74LS00 Quad 2 Input NAND Gate from the link given below: