ZHCSOB4H November 1998 – June 2021 CD54HC4075 , CD74HC4075
PRODUCTION DATA
请参考 PDF 数据表获取器件具体的封装图。
In this application, one 3-input OR gates is used to combine overheat signals to control a fan as shown in GUID-EB325B4D-BC1E-4B48-9DE7-514720CA69AD.html#APP1_SCHEM. The other two gates can be used for another application in the system, or the inputs can be grounded and the channels left unused.
This device is used to directly control the Enable pin of a fan driver. The fan driver requires only one input signal to be HIGH before being enabled, and should be disabled in the event that all signals go LOW. The 4-input OR gate function combines the four individual overheat signals into a single active-high enable signal.