74HC373的工作原理
當 LE 端施密特觸發器的輸入滯後作用，使交流和直流噪聲抗擾度被改善 400mV。管腳說明： 1 OE 3-state output enable input (active LOW) 2, 5, 6, 9, 12, 15, 16, 19 Q0 to Q7 3-state latch outputs 3, 4, 7, 8, 13, 14, 17, 18 D0 to D7 data inputs 10 GND ground (0 V) 11 LE latch enable input (active HIGH) 20 VCC positive supply voltage —— —— ——