Overview
The SN74HCT04DR is a hex inverter integrated circuit produced by Texas Instruments. This device contains six independent inverters that perform 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 SN74HCT04DR is widely used in digital logic circuits where signal inversion is required.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 4.5 | 5 | 5.5 | V |
| High-Level Input Voltage (VIH) | 2 | - | - | V |
| Low-Level Input Voltage (VIL) | 0.8 | - | - | V |
| Propagation Delay Time (tpd) | 13 | - | 27 | ns |
| Output Drive Current (IOH/IOL) | -4 mA / 4 mA | - | - | mA |
| Supply Current (ICC) | 2 | - | 40 | μA |
| Operating Temperature Range | -40 | - | 85 | °C |
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 (tpd) of 13ns
- ±4-mA output drive at 5V
- Low input current of 1μA max
- Inputs are TTL-Voltage compatible
Applications
The SN74HCT04DR is suitable for various digital logic applications, including:
- Signal inversion in digital circuits
- Buffering and driving TTL loads
- Level shifting between different voltage domains
- General-purpose logic circuits
Q & A
- What is the operating voltage range of the SN74HCT04DR?
The operating voltage range is 4.5V to 5.5V.
- How many independent inverters does the SN74HCT04DR contain?
The device contains six independent inverters.
- What is the typical propagation delay time (tpd) of the SN74HCT04DR?
The typical propagation delay time is 13ns.
- What is the maximum output drive current of the SN74HCT04DR?
The maximum output drive current is ±4 mA at 5V.
- What is the maximum supply current (ICC) of the SN74HCT04DR?
The maximum supply current is 40 μA.
- What is the operating temperature range of the SN74HCT04DR?
The operating temperature range is -40°C to 85°C.
- Are the inputs of the SN74HCT04DR TTL-voltage compatible?
Yes, the inputs are TTL-voltage compatible).
- What are the common package types available for the SN74HCT04DR?
The device is available in SOIC, PDIP, SO, TSSOP, and other packages).
- What is the purpose of using the SN74HCT04DR in digital circuits?
The device is used for signal inversion, buffering, and driving TTL loads in digital circuits).
- How should unused inputs of the SN74HCT04DR be handled?
Unused inputs must be held at VCC or GND to ensure proper device operation).
