Overview
The 74HCT14DTR2G is a Hex Schmitt Trigger Inverter integrated circuit manufactured by ON Semiconductor. This device is part of the 74HCT series, which is known for its high-performance silicon-gate CMOS technology and LSTTL (Low-power Schottky Transistor-Transistor Logic) compatible inputs. The 74HCT14DTR2G is particularly useful for applications requiring level conversion between TTL or NMOS outputs and high-speed CMOS inputs, as well as for “squaring up” slow input rise times.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | ON Semiconductor |
| Logic Type | Inverter |
| Number of Circuits | 6 |
| Number of Inputs | 6 |
| Features | Schmitt Trigger |
| Voltage - Supply | 4.5V ~ 5.5V |
| Current - Quiescent (Max) | 2µA |
| Current - Output High, Low | 4mA, 4mA |
| Logic Level - Low | 0.5V ~ 0.6V |
| Logic Level - High | 1.9V ~ 2.1V |
| Max Propagation Delay @ V, Max CL | 32ns @ 5V, 50pF |
| Operating Temperature | -55°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 14-TSSOP (0.173", 4.40mm Width) |
Key Features
- Schmitt Trigger Inputs: Provides hysteresis to improve noise immunity and reduce the likelihood of spurious switching due to noise.
- LSTTL Compatible Inputs: Allows for easy interfacing with LSTTL logic circuits.
- High-Performance Silicon-Gate CMOS Technology: Offers low power consumption and high speed.
- Level Conversion: Can be used to convert TTL or NMOS outputs to high-speed CMOS inputs.
- Low Quiescent Current: Maximum quiescent current of 2µA, making it suitable for low-power applications.
- Wide Operating Temperature Range: Operates from -55°C to 125°C, making it versatile for various environmental conditions.
Applications
- Level Conversion: Ideal for converting TTL or NMOS outputs to CMOS inputs in mixed logic systems.
- Noise Reduction: The Schmitt trigger feature helps in reducing noise and spurious switching in digital circuits.
- Signal Conditioning: Useful for “squaring up” slow input rise times to ensure clean digital signals.
- General Digital Logic Circuits: Can be used in various digital logic circuits requiring inverting functions with high noise immunity.
Q & A
- What is the primary function of the 74HCT14DTR2G?
The primary function of the 74HCT14DTR2G is to act as a hex inverter with Schmitt trigger inputs, providing level conversion and noise immunity.
- What is the voltage supply range for the 74HCT14DTR2G?
The voltage supply range for the 74HCT14DTR2G is 4.5V to 5.5V.
- What is the maximum propagation delay of the 74HCT14DTR2G?
The maximum propagation delay is 32ns at 5V with a 50pF load.
- What is the operating temperature range of the 74HCT14DTR2G?
The operating temperature range is -55°C to 125°C.
- What type of package is the 74HCT14DTR2G available in?
The 74HCT14DTR2G is available in a 14-TSSOP package.
- What is the quiescent current of the 74HCT14DTR2G?
The maximum quiescent current is 2µA.
- Can the 74HCT14DTR2G be used for level conversion between different logic families?
Yes, it can be used to convert TTL or NMOS outputs to high-speed CMOS inputs.
- What is the purpose of the Schmitt trigger in the 74HCT14DTR2G?
The Schmitt trigger provides hysteresis to improve noise immunity and reduce spurious switching due to noise.
- Is the 74HCT14DTR2G suitable for low-power applications?
Yes, it is suitable due to its low quiescent current and high-performance CMOS technology.
- Can the 74HCT14DTR2G be used in mixed logic systems?
Yes, it is ideal for mixed logic systems requiring level conversion and noise immunity.
