BUY 74HC27AP https://www.utsource.net/itm/p/1558777.html
Triple 3-input NOR gate - Description: Triple 3-Input NOR Gate ; Logic switching levels: CMOS ; Number of pins: 16 ; Output drive capability: +/- 5.2 mA ; Power dissipation considerations: Low Power or Battery Applications ; Propagation delay: 8@5V ns; Voltage: 2.0-6.0V; Package: SOT27-1 DIP14; Container: Bulk Pack, CECC
