74HC27N PDF 데이터시트 검색

74HC27; 74HCT27 Triple 3-input NOR gate Rev. 4 5 June 2013 Product data sheet 1. General description The 74HC27; 74HCT27 is a triple 3-input NOR gate. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC. 2. Features and benefits Complies with JEDEC standard no. 7A Input levels: For 74HC27: CMOS level For 74HCT27: TTL level ESD protection: HBM JESD22-A114F exceeds 2000 V MM JESD22-A115-A exceeds 200 V Multipl