74LS30 8-input NAND Gate
Package PDIP, SOIC Series 74LS
74LS30 overview
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. 74LS30 8-input NAND Gate contains 8-input NAND Gates
Key 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
Datasheet
30.pdf
74LS30 features
- Three Independent NOR Gates
- Standard Pin Configuration
- Fast Switching Times
- Operating Temperature up to 70°C
- Standard TTL Switching Voltages
74LS30 pinout
| Pin | Name | Description |
|---|---|---|
| 1 | A1 | NAND Gate 1 Input 1 |
| 2 | B1 | NAND Gate 1 Input 2 |
| 3 | C1 | NAND Gate 1 Input 3 |
| 4 | D1 | NAND Gate 1 Input 4 |
| 5 | E1 | NAND Gate 1 Input 5 |
| 6 | F1 | NAND Gate 1 Input 6 |
| 7 | GND | Ground |
| 8 | X | NAND Gate 1 Output |
| 9 | NC | No Connection |
| 10 | NC | No Connection |
| 11 | G1 | NAND Gate 1 Input 7 |
| 12 | H1 | NAND Gate 1 Input 8 |
| 13 | NC | No Connection |
| 14 | VCC | Positive Supply |
74LS30 applications
- Freezer warning buzzer circuits
- Automatic temperature control circuits
More about 74LS30
74LS30 Alternative Equivalent
74LS03, 74LS10, 74LS20
Comments 0
Leave a comment