CD74HC4051E Datasheet

Interface - Analog Switches, Multiplexers, Demultiplexers


The CD74HC4051E is digitally controlled analog switches which utilize silicon gate CMOS technology to achieve operating speeds similar to LSTTL with the low power consumption of standard CMOS integrated circuits.These analog multiplexers/demultiplexers control analog voltages that may vary across the voltage supply range (i.e.VCC to VEE). They are bidirectional switches thus allowing any analog input to be used as an output and vice-versa.The switches have low “on” resistance and low “off” leakages.In addition, all three devices have an enable control which, when high, disables all switches to their “off” state. CD74HC4051E Features • Wide Analog Input Voltage Range . . . . . . . . . . ±5V Max• Low “On” Resistance- 70Ω Typical (VCC - VEE = 4.5V) - 40Ω Typical (VCC - VEE = 9V)• Low Crosstalk between Switches• Fast Switching and Propagation Speeds• “Break-Before-Make” Switching• Wide Operating Temperature Range . . -55oC to 125oC• CD54HC/CD74HC Types - Operation Control Voltage . . 2V to 6V - Switch Voltage . 0V to 10V - High Noise Immunity . NIL = 30%, NIH = 30% of VCC, VCC = 5V• CD54HCT/CD74HCT Types - Operation Control Voltage . 4.5V to 5.5V - Switch Voltage . . . . 0V to 10V - Direct LSTTL Input Logic Compatibility . VIL = 0.8V Max, VIH = 2V Min - CMOS Input Compatibility. . . II ≤ 1μA at VOL, VOH


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