Оттечественный аналог 155ТЛ2, 555ТЛ2, 1533ТЛ2

Operation from Very Slow Edges
Improved Line-Receiving Characteristics
High Noise Immunity

description
Each circuit functions as an inverter, but because of the Schmitt action, it has different input threshold levels for positive (Vj +) and for negative going (V-p-) signals.
These circuits are temperature-compensated and can be triggered from the slowest of input ramps and still give clean, jitter-free output signats.
The SN5414 and SN54LS14 are characterized for operation over the full military temperature range of -55°С to 125°C. The SN7414 and the SN74LS14 are characterized for operation from 0 ° С to 70 ° С