Overview
The SN74HCT04NG4 is a hex inverter integrated circuit produced by Texas Instruments. This device contains six independent inverters, each performing the Boolean function Y = A in positive logic. It is part of the HCT (High-Speed CMOS) family, which is compatible with TTL (Transistor-Transistor Logic) voltage levels. The SN74HCT04NG4 is widely used in digital logic circuits where signal inversion is required.
Key Specifications
| Parameter | Min | Nom | Max | Unit |
|---|---|---|---|---|
| VCC (Supply Voltage) | 4.5 | 5 | 5.5 | V |
| VIH (High-Level Input Voltage) | 2 | - | 2 | V |
| VIL (Low-Level Input Voltage) | 0.8 | - | 0.8 | V |
| VOH (High-Level Output Voltage) at IOH = -20 μA | 4.4 | - | 4.499 | V |
| VOL (Low-Level Output Voltage) at IOL = 20 μA | 0.1 | - | 0.1 | V |
| ICC (Supply Current) at VI = VCC or 0, IO = 0 | 2 | - | 40 | μA |
| TA (Operating Free-Air Temperature) | -40 | - | 85 | °C |
| tpd (Propagation Delay Time) | - | 13 | - | ns |
Key Features
- Operating voltage range of 4.5V to 5.5V
- Outputs can drive up to 10 LSTTL loads
- Low power consumption, 20-μA max ICC
- Typical propagation delay time of 13ns
- ±4-mA output drive at 5V
- Low input current of 1μA max
- Inputs are TTL-Voltage compatible
Applications
The SN74HCT04NG4 is suitable for various digital logic applications where signal inversion is necessary. It can be used in:
- Digital logic circuits requiring signal inversion
- Microcontroller and microprocessor systems
- Communication and networking equipment
- Industrial control systems
- Automotive electronics
Q & A
- What is the primary function of the SN74HCT04NG4?
The primary function of the SN74HCT04NG4 is to perform the Boolean function Y = A in positive logic, essentially acting as six independent inverters.
- What is the operating voltage range of the SN74HCT04NG4?
The operating voltage range is from 4.5V to 5.5V.
- How many LSTTL loads can the outputs of the SN74HCT04NG4 drive?
The outputs can drive up to 10 LSTTL loads.
- What is the typical propagation delay time of the SN74HCT04NG4?
The typical propagation delay time is 13ns.
- What is the maximum supply current (ICC) of the SN74HCT04NG4?
The maximum supply current (ICC) is 40 μA.
- What is the recommended operating temperature range for the SN74HCT04NG4?
The recommended operating temperature range is from -40°C to 85°C.
- Why is it important to connect unused inputs of the SN74HCT04NG4?
Unused inputs must be connected to either VCC or GND to prevent them from floating and ensuring proper device operation.
- What type of bypass capacitor is recommended for the power supply of the SN74HCT04NG4?
A 0.1-μF capacitor is recommended, and it is acceptable to parallel multiple bypass capacitors to reject different frequencies of noise.
- What are some common applications of the SN74HCT04NG4?
It is used in digital logic circuits, microcontroller and microprocessor systems, communication and networking equipment, industrial control systems, and automotive electronics.
- Is the SN74HCT04NG4 compatible with TTL voltage levels?
Yes, the inputs of the SN74HCT04NG4 are TTL-Voltage compatible.
