| 74HC4051 is a high-speed CMOS device, and its pins are compatible with the low-power Schottky TTL (LSTTL) series. 74HC4051 follows JEDEC standard no.7A. 74HC405 1 is an 8-channel analog multiplexer/multiplexer with 3 digital selection terminals (S0 to S2), 1 low effective enable terminal (E), 8 independent input/output terminals (Y0 to Y7), and 1 common input/output terminal (Z). When E is low, one of the 8 switches will be selected by S0 to S2 (low resistance state) When E is high, all switches enter a high impedance state, ignoring S0 to S2 directly. VCC and GND are the power supply pins of the digital control terminal (S0 to S2, E). The VCC to GND range of 74HC4051 is 2.0V-10.0 V74HC4051's analog input/output terminal (YO to Y7, Z swings between the upper limit VCC and the lower limit VEE, VCC-VEE should not exceed 10.0V. As a digital multiplexer/multiplexer, VEE will be connected to GND (usually ground) |
