NXP 74HCT4051N 芯片, 74HCT CMOS逻辑器件
The is a single-pole octal-throw SP8T Analog Switch suitable for use in analog or digital 8:1 multiplexer/demultiplexer applications. The switch features three digital select inputs S0, S1 and S2, eight independent inputs/outputs Yn, a common input/output Z and a digital enable input E\\. When E\ is high, the switches are turned off. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.