74HC164D (SO14)

HEX type inverter with Schmitt trigger inputs. It has 6 channels. Case SO14 (SMD).

74HC4514, 4-to-16 line decoder/demultiplexer with input latches, DIP24

8 latch latches with three-state buffers on outputs, TTLHC series, CMOS technology, 2-6 V power supply, DIP20 housing, manufacturers different.

74HC123D is a dual monostable multivibrator in CMOS technology, designed for precise pulse generation with a defined duration. It is used in digital systems for delay, synchronization, and edge detection. The SOP‑16 package and wide temperature range make it suitable for embedded and industrial applications.