Triple 2-channel analogue
multiplexer/demultiplexer
DESCRIPTION
The HEF4053B is a triple 2-channel analogue
multiplexer/demultiplexer with a common enable input (E).
Each multiplexer/demultiplexer has two independent
inputs/outputs (Y0 and Y1), a common input/output (Z),
and select inputs (Sn). Each also contains two-bidirectional
analogue switches, each with one side connected to an
independent input/output (Y0 and Y1) and the other side
connected to a common input/output (Z).
With E LOW, one of the two switches is selected (low
impedance ON-state) by Sn. With E HIGH, all switches are
in the high impedance OFF-state, independent of SA to SC.
VDD and VSS are the supply voltage connections for the
digital control inputs (SA to SC and E).
The VDD to VSS range is 3 to 15 V. The analogue
inputs/outputs (Y0, Y1 and Z) can swing between VDD as a
positive limit and VEE as a negative limit. VDD-VEE may not
exceed 15 V.
For operation as a digital multiplexer/demultiplexer, VEE is
connected to VSS (typically ground).
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