7404 - Hex Inverter

The 7404 is a high-speed CMOS hex inverter IC, containing six independent NOT gates. It inverts digital input signals and operates over a wide voltage range (2V–6V), making it suitable for various logic applications. Known for low power consumption and fast switching, it’s used in signal inversion, waveform generation, and logic-level control in digital electronics.

SN74HCT04N (High-speed CMOS) Hex Inverter in PDIP-14 package
Fig.: SN74HCT04N (High-speed CMOS) Hex Inverter in PDIP-14 package
SN74LS04N (Low-Power Schottky) Hex Inverter in PDIP-14 package
Fig.: SN74LS04N (Low-Power Schottky) Hex Inverter in PDIP-14 package

Features/Specifications

Supply Voltage Range 2V to 6V
Output Current ±25 mA (maximum per pin)
Propagation Delay 8 ns
Operating Temperature -40°C to +85°C

📄 74HC04 datasheet (282 kB)

Connections

Terminal diagram of the 7404
Fig.: Terminal diagram of the 7404
Pin No Pin Name Description
1 1A Input of inverter 1
2 1Y Output of inverter 1
3 2A Input of inverter 2
4 2Y Output of inverter 2
5 3A Input of inverter 3
6 3Y Output of inverter 3
7 GND Ground
8 4Y Output of inverter 4
9 4A Input of inverter 4
10 5Y Output of inverter 5
11 5A Input of inverter 5
12 6Y Output of inverter 6
13 6A Input of inverter 6
14 VCC Supply Voltage
Last edited by Christian Grieger on 2025-05-10
←