Overview
The SN74ACT14DR is a 6-channel Schmitt-trigger inverter integrated circuit (IC) manufactured by Texas Instruments. This device contains six independent inverters, each performing the Boolean function Y = A. It is designed to operate within a voltage range of 4.5V to 5.5V, making it suitable for various digital logic applications. The SN74ACT14DR is packaged in a 14-pin SOIC (D) package, which is RoHS compliant and free of Sb/Br, ensuring environmental sustainability.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| VCC (Supply Voltage) | 4.5 | 5.5 | V |
| VI (Input Voltage) | 0 | VCC | V |
| VO (Output Voltage) | 0 | VCC | V |
| IOH (High-Level Output Current) | -24 | -24 | mA |
| IOL (Low-Level Output Current) | 24 | 24 | mA |
| TA (Operating Free-Air Temperature) | -40 | 85 | °C |
| tpd (Propagation Delay Time) at 5V | 11 | ns | |
| VT+ (Positive-Going Threshold Voltage) | 1.2 | 2.1 | V |
| VT- (Negative-Going Threshold Voltage) | 0.5 | 1.4 | V |
| ΔVT (Hysteresis) | 0.4 | 1.4 | V |
Key Features
- VCC operation of 4.5V to 5.5V
- Inputs accept voltages up to 5.5V
- Maximum propagation delay time (tpd) of 11ns at 5V
- Inputs are TTL-voltage compatible
- Temperature-compensated Schmitt-trigger action for clean, jitter-free output signals
- Greater noise margin compared to conventional inverters
- Balanced CMOS push-pull outputs to minimize output ringing
- Clamp diode structure for input and output protection
Applications
- Synchronize inverted clock inputs
- Debounce switches
- Invert digital signals
- Bus interface applications where output ringing is a concern
- Voltage translation from 3.3V to 5V
Q & A
- What is the operating voltage range of the SN74ACT14DR?
The SN74ACT14DR operates within a voltage range of 4.5V to 5.5V.
- How many independent inverters does the SN74ACT14DR contain?
The SN74ACT14DR contains six independent inverters.
- What is the maximum propagation delay time at 5V for the SN74ACT14DR?
The maximum propagation delay time at 5V is 11ns.
- Are the inputs of the SN74ACT14DR TTL-voltage compatible?
- What is the operating temperature range of the SN74ACT14DR?
The operating temperature range is -40°C to 85°C.
- What type of package does the SN74ACT14DR come in?
The SN74ACT14DR comes in a 14-pin SOIC (D) package.
- Is the SN74ACT14DR RoHS compliant?
- What are some common applications of the SN74ACT14DR?
- Does the SN74ACT14DR have built-in protection for inputs and outputs?
- What is the significance of the Schmitt-trigger action in the SN74ACT14DR?
The Schmitt-trigger action provides clean, jitter-free output signals and a greater noise margin compared to conventional inverters.
