74HC4051D Datasheet

Interface - Analog Switches, Multiplexers, Demultiplexers


The 74HC/HCT4051/ 74HC4051D are high-speed Si-gate CMOSdevices and are pin compatible with the “4051” of the“4000B” series. They are specified in compliance withJEDEC standard no. 7A.The 74HC/HCT4051 are 8-channel analogmultiplexers/demultiplexers with three digital select inputs(S0 to S2), an active LOW enable input (E), eightindependent inputs/outputs (Y0 to Y7) and a commoninput/output (Z).With E LOW, one of the eight switches is selected (lowimpedance ON-state) by S0 to S2. With E HIGH, allswitches are in the high impedance OFF-state,independent of S0 to S2.VCC and GND are the supply voltage pins for the digitalcontrol inputs (S0 to S2, and E). The VCC to GND rangesare 2.0 to 10.0 V for HC and 4.5 to 5.5 V for HCT. Theanalog inputs/outputs (Y0 to Y7, and Z) can swing betweenVCC as a positive limit and VEE as a negative limit.VCC − VEE may not exceed 10.0 V. 74HC4051D Features • Wide analog input voltage range: ± 5V.• Low “ON” resistance:80 (typ.) at VCC − VEE = 4.5 V70 (typ.) at VCC − VEE = 6.0 V60 (typ.) at VCC − VEE = 9.0 V• Logic level translation:to enable 5 V logic to communicate with± 5 V analogsignals• Typical “break before make” built in• Output capability: non-standard• ICC category: MSI


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