IN74HC4051
ANALOG MULTIPLEXER DEMULTIPLEXER
High-Performance Silicon-Gate CMOS
The IN74HC4051 utilize silicon-gate CMOS technology to
achieve fast propagation delays, low ON resistances, and low
OFF leakage currents. These analog multiplexers/demultiplexers
control analog voltages that may vary across the complete power
supply range (from VCC to VEE).
The Channel-Select inputs determine which one of the Analog
Inputs/Outputs is to be connected, by means of an analog
switch, to the Common Output/Input.When the Enable pin is
high, all analog switches are turned off.
The Channel-Select and Enable inputs are compatible with
standard CMOS outputs; with pullup resistors, they are
ORDERING INFORMATION
compatible with LS/ALSTTL outputs.
• Fast Switching and Propagation Speeds
• Low Crosstalk Between Switches
IN74HC4051N Plastic
IN74HC4051DW SOIC
TA = -55° to 125° C for all
packages
• Diode Protection on All Inputs/Outputs
• Analog Power Supply Range (VCC-VEE)=2.0 to 12.0 V
• Digital (Control) Power Supply Range (VCC-GND)=2.0 to 6.0 V
• Low Noise
PIN ASSIGNMENT
LOGIC DIAGRAM
Single-Pole, 8-Position Plus Common Off
FUNCTION TABLE
Control Inputs
ON
Enable
Select
Channels
C
L
B
L
A
L
L
L
L
L
L
L
L
L
H
X0
X1
L
L
H
L
L
L
H
H
H
H
X
H
H
L
X2
H
L
X3
X4
PIN 16 =VCC
PIN 7 = VEE
PIN 8 = GND
L
H
L
X5
H
H
X
X6
H
X
X7
None
X = don’t care
1
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