Logic gates circuit, 7400 NAND gate, 74 series and gate, logic gate programming

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

https://www.futureelectronics.com/p/semiconductors--logic--74-series--a-hc-t/74hc123pw-q100-118-nexperia-4092802