Types of 74 A/HC/T Series Logic Chips, Nand gate circuit, Logic Circuit

 74HC Series 6 V Dual Retriggerable Monostable Multivibrator with Reset - TSSOP16

https://www.futureelectronics.com/p/semiconductors--logic--74-series--a-hc-t/74hc123pw-118-nexperia-5161229