283. GS74LS07

引腳序號英文符號對地電阻(kΩ)直流電壓(V)引腳功能黑筆測紅筆測有信號無信號1IN284.41.71.6緩沖信號(2)輸入2OUT26.81.812.612.6緩沖信號(2)輸出3IN12.22.22.42.4緩沖信號(1)輸入4OUT110.45.14.94.9緩沖信號(1)輸出5NC32.65.15.1空腳6NC∞5.50.30.6空腳7GND00 ......（本文共 341 字 ）     [閱讀本文] >>