By providing input threshold hysteresis Schmitt trigger buffers, line drivers and gates are ideal for interfacing slowly changing analog signals to digital systems.
Logic
Schmitt trigger buffers, line drivers and gates
Key features and benefits
- Prevents multiple switching when driven by slow edges
- Cleans up the noisy signals
- Reshapes the signals in complex layouts
- Suitable for mixed 3.3 V and 5.0 V applications
- Wide voltage supply range
- Input hysteresis
- Open drain output options
- CMOS and TTL variants
- Overvoltage tolerant input options
Key applications
- Sine wave to square wave conversion
- Interface between analog and digital environments
- Increase noise immunity in design
- Relaxation oscillators
Design tools & Assets
A central place for your design support and tooling.
For today´s short product development cycles, NXP
helps you with this portal to simplify your design.
Read more
Related links
Marcom graphics
- Techzone banner (zip) (2013-05-22)
Training & events
Descriptive summary
Schmitt triggers are able to transform the slowly changing input signals into sharply defined jitter free output signals. These devices are useful in systems with noisy input signals that have large slew rates and can cause the oscillations or undefined logic levels at outputs. Integration of Schmitt triggers inputs saves the cost and space of using standalone Schmitt triggers on boards.
Schmitt trigger products are available in standard SO, TSSOP, PicoGate and innovative leadless MicroPak and DQFN packages for PCB space saving.








Follow us