74LCX  -  系列元器件数据手册
74LCX27MTC  -  Low Voltage Triple 3-Input NOR Gate with 5V Tolerant Inputs  -  Fairchild Semiconductor Corporation  -  或非门

Features
■5V tolerant inputs
■2.3V–3.6V VCC specifications provided
■4.9ns tPDmax. (VCC=3.3V), 10μA ICC max.
■Power down high impedance inputs and outputs
■±24mA output drive (VCC=3.0V)
■Implements patented noise/EMI reduction circuitry
■Latch-up performance exceeds JEDEC 78 conditions
■ESD performance:
– Human body model
>2000V
– Machine model
>200V

General Description
The LCX27 contains three 3-input NOR gates. The inputs tolerate voltages up to 7V allowing the interface of 5V systems to 3V systems.
The 74LCX27 is fabricated with advanced CMOS technology to achieve high speed operation while maintaining CMOS low power dissipation.