The 74LS series of integrated circuits (ICs) was one of the most popular logic families of transistor-transistor logic (TTL) logic chips. 74LS series is a bipolar, low-power Schottky IC. 74LS133 Contain 1 NAND Gate with 13 Inputs and Single Output.
74LS133 Features
- VCC Supply Voltage = 5.5V
- Operating Ambient Temperature Range = 125*C
- Output Current — High = -0.4mA
- Output Current — Low = 4mA
74LS133 Specifications
| Supply Voltage | 4.75 – 5.25Vdc |
| Maximum Clock Frequency | 40Mhz |
| Power Dissipation | 2mW/gate @100kHz |
| Minimum Output Current | 8mA |
| Propagation Delay | 10nS |
| Fan Out (TTL Loads) | 20 |
74LS133 Pinout Diagram
74LS133 Pin Description
| Pin No | Pin Name | Description |
| 1 | A | Input 1 Of NAND Gate 1 |
| 2 | B | Input 2 Of NAND Gate 1 |
| 3 | C | Input 3 Of NAND Gate 1 |
| 4 | D | Input 4 Of NAND Gate 1 |
| 5 | E | Input 5 Of NAND Gate 1 |
| 6 | F | Input 6 Of NAND Gate 1 |
| 7 | G | Input 7 Of NAND Gate 1 |
| 8 | GND | Ground Pin |
| 9 | Z | Output Of NAND Gate |
| 10 | H | Input 8 Of NAND Gate 1 |
| 11 | I | Input 9 Of NAND Gate 1 |
| 12 | J | Input 10 Of NAND Gate 1 |
| 13 | K | Input 11 Of NAND Gate 1 |
| 14 | L | Input 12 Of NAND Gate 1 |
| 15 | M | Input 13 Of NAND Gate 1 |
| 16 | VCC | Positive Supply |
74LS133 Circuit
Applications
- Used in alarm circuits through light detection radiation
- Employed in freezer warning buzzer devices
- NAND logic gates are utilized in automatic temperature regulation circuits
- These are used for analyzing the status of the sensor that is connected to various doors and windows.
74LS133 Alternative Equivalent
74LS01, 74LS10, 74LS20
Download 74LS133 13-INPUT NAND GATE Datasheet from the link given below.
