Overview
The SN74AC14NSRG4 is a hex Schmitt-trigger inverter integrated circuit produced by Texas Instruments. This device is part of the 74AC series and is designed to perform the Boolean function Y = A, utilizing Schmitt-trigger inputs. The Schmitt trigger feature provides different input threshold levels for positive-going and negative-going signals, enhancing noise immunity and ensuring clean, jitter-free output signals even with slow input ramps.
The SN74AC14NSRG4 is optimized for operation at 5 V but can operate over a supply voltage range of 2 V to 6 V. It is suitable for various bus interface applications where output ringing is a concern, thanks to its low drive and slow edge rates.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 2 V to 6 V | V |
| Operating Temperature | -40°C to 85°C | °C |
| Number of Circuits | 6 | - |
| Number of Inputs per Circuit | 1 | - |
| Output Current (High/Low) | 24 mA / 24 mA | mA |
| Quiescent Current (Max) | 2 µA | µA |
| Logic Level - Low | 0.5 V to 1.1 V | V |
| Logic Level - High | 2.2 V to 3.9 V | V |
| Max Propagation Delay @ V, Max CL | 10 ns @ 5 V, 50 pF | ns |
| Package Type | 14-SO (Gull Wing) | - |
Key Features
- Schmitt Trigger Inputs: Provides different input threshold levels for positive-going and negative-going signals, enhancing noise immunity and ensuring clean output signals.
- Temperature Compensated: Ensures stable operation over a wide temperature range.
- Low Drive and Slow Edge Rates: Minimizes output ringing and overshoot, making it ideal for bus interface applications.
- CMOS Technology: Offers low power consumption and high noise immunity.
- Balanced CMOS Push-Pull Outputs: Capable of sinking and sourcing similar currents, ensuring balanced output drive.
- Input Voltage Tolerance: Inputs are tolerant to 5.5 V at any valid VCC, allowing for voltage translation from 3.3 V to 5 V.
- TTL-Voltage Compatible Inputs: Accepts VIH levels of 2 V, making it compatible with TTL logic.
Applications
The SN74AC14NSRG4 is suitable for a variety of applications, including:
- Bus Interface Applications: Where output ringing is a concern, the low drive and slow edge rates of this device minimize overshoot and undershoot.
- Voltage Translation: Can translate down to the VCC level, making it ideal for mixed-voltage systems.
- Digital Logic Circuits: Can be used in digital logic circuits requiring Schmitt trigger functionality, such as in flip-flops, counters, and other sequential logic circuits.
Q & A
- What is the primary function of the SN74AC14NSRG4?
The SN74AC14NSRG4 is a hex Schmitt-trigger inverter, performing the Boolean function Y = A.
- What is the operating voltage range of the SN74AC14NSRG4?
The device operates over a supply voltage range of 2 V to 6 V.
- What is the significance of the Schmitt trigger in this device?
The Schmitt trigger provides different input threshold levels for positive-going and negative-going signals, enhancing noise immunity and ensuring clean output signals.
- What are the key benefits of the balanced CMOS push-pull outputs?
The balanced CMOS push-pull outputs can sink and source similar currents, ensuring balanced output drive and minimizing output ringing.
- What are the typical applications of the SN74AC14NSRG4?
It is commonly used in bus interface applications, voltage translation, and digital logic circuits requiring Schmitt trigger functionality.
- What is the maximum propagation delay of the SN74AC14NSRG4?
The maximum propagation delay is 10 ns at 5 V with a load capacitance of 50 pF.
- What is the operating temperature range of the SN74AC14NSRG4?
The device operates over a temperature range of -40°C to 85°C.
- How many circuits and inputs does the SN74AC14NSRG4 have?
The device contains six Schmitt-trigger inverter circuits, each with one input.
- What is the package type of the SN74AC14NSRG4?
The device is packaged in a 14-pin Gull Wing SOP (Small Outline Package).
- What are the output current capabilities of the SN74AC14NSRG4?
The device can source and sink up to 24 mA per output.
