FEATURES

 Wide analog input voltage range: ± 5 V.

 Low “ON” resistance:

80 ? (typ.) at VCC − VEE = 4.5 V

70 ? (typ.) at VCC − VEE = 6.0 V

60 ? (typ.) at VCC − VEE = 9.0 V

 Logic level translation:

to enable 5 V logic to communicate with ± 5 V analog

signals

 Typical “break before make” built in

 Output capability: non-standard

 ICC category: MSI

GENERAL DESCRIPTION

The 74HC/HCT4051 are high-speed Si-gate CMOS

devices and are pin compatible with the “4051” of the

4000B” series. They are specified in compliance with

JEDEC standard no. 7A.

The 74HC/HCT4051 are 8-channel analog

multiplexers/demultiplexers with three digital select inputs

(S0 to S2), an active LOW enable input (E), eight

independent inputs/outputs (Y0 to Y7) and a common

input/output (Z).

With E LOW, one of the eight switches is selected (low

impedance ON-state) by S0 to S2. With E HIGH, all

switches are in the high impedance OFF-state,

independent of S0 to S2.

VCC and GND are the supply voltage pins for the digital

control inputs (S0 to S2, and E). The VCC to GND ranges

are 2.0 to 10.0 V for HC and 4.5 to 5.5 V for HCT. The

analog inputs/outputs (Y0 to Y7, and Z) can swing between

VCC as a positive limit and VEE as a negative limit.

VCC − VEE may not exceed 10.0 V.

For operation as a digital multiplexer/demultiplexer, VEE is connected to GND (typically ground).

 

 

 

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