The 74HC4051-Q100, 74HCT4051-Q100 is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL (LSTTL). The 74HC4051-Q100, 74HCT4051-Q100 is an 8-channel analog multiplexer/demultiplexer with three digital select inputs (S0 to S2), an active-LOW enable input (E), eight independent inputs/outputs (Y0 to Y7) and a common input/output (Z). With E LOW, one of the eight switches is selected (low impedance ON-state) by S0 to S2. With E HIGH, all switches are in the high-impedance OFF-state, independent of S0 to S2. VCC and GND are the supply voltage pins for the digital control inputs (S0 to S2, and E).
Mixed 5 V & 3.3 V applications Bus width reduction High noise immunity Low power consumption Wide supply voltage range Low propagation delay Overvoltage tolerant input options Compliementary output options