how to select a suitable inverter
SN74LVC2G14 — Dual Schmitt-Trigger Inverter
The SN74LVC2G14 contains two independent Schmitt-trigger inverters and implements the Boolean function Y = ¬A (inverter). Key features and corrected description:
- Supply voltage: 1.65 V to 5.5 V (VCC)
- Package: NanoFree™ package technology (die as the package)
- Function: Two inverters with Schmitt-trigger inputs (separate thresholds for rising and falling edges)
- Positive-going threshold: Vt+
- Negative-going threshold: Vt-
- Special feature: The Schmitt action provides hysteresis, improving noise immunity and signal clean-up on slow or noisy inputs.
- Power-down behavior: The device is specified for partial-power-down applications using Ioff outputs. The Ioff circuitry prevents damaging current backflow through the device when it is powered down while other parts of the system remain powered.
Notes:
- Use this device when you need level translation, input hysteresis, or signal conditioning across a wide VCC range.
inverter-dat
- 74HC14D
SN74LVC2G04 Dual Inverter Gate

https://www.ti.com/lit/ds/symlink/sn74lvc2g04.pdf
Table 1. Function Table (Each Inverter)
| INPUT (A) | OUTPUT (Y) |
|---|---|
| H | L |
| L | H |