THROUGH-HOLE Multiplexer & Demultiplexer 2,400+

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Part RoHS Manufacturer Logic IC Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Total Dose (V) Package Body Material Schmitt Trigger Surface Mount Input Conditioning No. of Functions Maximum Frequency At Nominal Supply Technology Screening Level No. of Inputs No. of Bits Translation Packing Method Nominal Supply Voltage / Vsup (V) Power Supplies (V) Load Capacitance (CL) No. of Inverted Outputs Package Style (Meter) Package Equivalence Code Propagation Delay (tpd) Maximum I (ol) Sub-Category Terminal Pitch Maximum Operating Temperature Count Direction Output Characteristics Trigger Type Maximum Same Edge Skew (tskwd) Minimum Operating Temperature Terminal Finish No. of True Outputs Terminal Position No. of Ports Control Type Minimum fmax JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Supply Voltage (Vsup) Maximum Seated Height Width Qualification Output Polarity Minimum Supply Voltage (Vsup) Maximum Power Supply Current (ICC) Additional Features JESD-609 Code Maximum Time At Peak Reflow Temperature (s) No. of Outputs Peak Reflow Temperature (C) Length Family

SN74LS158N1

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

Not Qualified

SN74LS352N-10

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

15 pF

IN-LINE

38 ns

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.75 V

10 mA

1

19.305 mm

LS

SN74HC151NP3

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

8

2/6

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

85 Cel

-40 Cel

DUAL

R-PDIP-T16

NOT SPECIFIED

NOT SPECIFIED

SN74ALS253N

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

4

TUBE

5

5

50 pF

IN-LINE

DIP16,.3

21 ns

24 Amp

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

12 mA

e4

NOT SPECIFIED

1

NOT SPECIFIED

19.305 mm

ALS

74ACT11352N

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

CMOS

4

5

5

50 pF

IN-LINE

DIP16,.3

8.9 ns

24 Amp

Multiplexer/Demultiplexers

2.54 mm

85 Cel

-40 Cel

DUAL

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.5 V

NOT SPECIFIED

1

NOT SPECIFIED

19.305 mm

ACT

SN74S257N-00

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

15 pF

IN-LINE

15 ns

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.75 V

93 mA

1

19.305 mm

S

SN74298J-00

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

TTL

5

15 pF

IN-LINE

2.54 mm

70 Cel

0 Cel

DUAL

R-GDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

65 mA

FOUR 2:1 MUX FOLLOWED BY REGISTER

19.56 mm

TTL/H/L

SN74F258NE4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

5

50 pF

IN-LINE

DIP16,.3

11 ns

24 Amp

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.5 V

23 mA

e4

1

19.305 mm

F/FAST

SN74LS153JP4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

2

TTL

4

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T16

NOT SPECIFIED

NOT SPECIFIED

SN74AS158N

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

2

TUBE

5

5

50 pF

IN-LINE

DIP16,.3

10.5 ns

48 Amp

Multiplexer/Demultiplexers

2.54 mm

70 Cel

0 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.5 V

22.5 mA

e4

NOT SPECIFIED

1

NOT SPECIFIED

19.305 mm

AS

SN74ALS158N-10

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

IN-LINE

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.5 V

1

19.305 mm

ALS

SN74LS353N1

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

Not Qualified

SN74HC153N1

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

CMOS

4

2/6

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

85 Cel

-40 Cel

DUAL

R-PDIP-T16

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74298J

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

4

TTL

2

5

15 pF

IN-LINE

32 ns

2.54 mm

70 Cel

0 Cel

DUAL

R-GDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.75 V

65 mA

FOUR 2:1 MUX FOLLOWED BY REGISTER

NOT SPECIFIED

1

NOT SPECIFIED

19.56 mm

TTL/H/L

SN74LS253JP4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

2

TTL

4

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-XDIP-T16

SN74AS250N3

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

16

5

5

IN-LINE

DIP24,.6

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T24

NOT SPECIFIED

NOT SPECIFIED

SN74HC352N-10

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

CMOS

4

5

150 pF

IN-LINE

67 ns

2.54 mm

85 Cel

-40 Cel

DUAL

R-PDIP-T16

6 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

2 V

1

19.305 mm

HC/UH

74ACT11153N

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

CMOS

4

5

5

50 pF

IN-LINE

DIP16,.3

11 ns

Multiplexer/Demultiplexers

2.54 mm

85 Cel

-40 Cel

DUAL

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

CENTER VCC/GND PINS

NOT SPECIFIED

1

NOT SPECIFIED

19.305 mm

ACT

SN74LS258NP1

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

5

IN-LINE

DIP16,.3

8 Amp

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

Not Qualified

SN74AS257NE4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

TUBE

5

5

50 pF

IN-LINE

DIP16,.3

6 ns

48 Amp

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

30.6 mA

e4

1

19.305 mm

AS

SN74HC258NE4

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

CMOS

2

TUBE

5

2/6

50 pF

IN-LINE

DIP16,.3

190 ns

6 Amp

Multiplexer/Demultiplexers

2.54 mm

85 Cel

3-STATE

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T16

6 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

2 V

e4

1

19.305 mm

HC/UH

SN74HC257J

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

4

CMOS

2

2/6

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

85 Cel

3-STATE

-40 Cel

DUAL

R-XDIP-T16

Not Qualified

SN74LS153N-00

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

15 pF

IN-LINE

38 ns

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.75 V

10 mA

1

19.305 mm

LS

SN74F158AN3

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

5

IN-LINE

DIP16,.3

20 Amp

Multiplexer/Demultiplexers

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

15 mA

SN74L157N-10

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

15 pF

IN-LINE

54 ns

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.75 V

24 mA

1

19.305 mm

TTL/H/L

CD40257BD

Texas Instruments

MULTIPLEXER

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

4

CMOS

2

5

IN-LINE

300 ns

125 Cel

3-STATE

-55 Cel

DUAL

R-CDIP-T16

18 V

Not Qualified

TRUE

3 V

1

4000/14000/40000

SN74HC151N

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

8

8

TUBE

5

2/6

150 pF

IN-LINE

DIP16,.3

345 ns

7.8 Amp

Multiplexer/Demultiplexers

2.54 mm

85 Cel

-40 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

R-PDIP-T16

6 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

.08 mA

e4

NOT SPECIFIED

1

NOT SPECIFIED

19.305 mm

HC

SN74ALS352J

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

2

TTL

4

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T16

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74HC151JP4

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

1

CMOS

8

2/6

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

85 Cel

-40 Cel

DUAL

R-XDIP-T16

NOT SPECIFIED

NOT SPECIFIED

SN74LS253NP3

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

SN74LS352N-00

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

15 pF

IN-LINE

38 ns

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.75 V

10 mA

1

19.305 mm

LS

SN74S151N-00

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

15 pF

IN-LINE

18 ns

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.75 V

70 mA

1

19.305 mm

S

SN74HC257J4

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

4

CMOS

2

2/6

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

85 Cel

3-STATE

-40 Cel

DUAL

R-XDIP-T16

SN74LS398J4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

4

TTL

2

5

5

IN-LINE

DIP20,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T20

NOT SPECIFIED

NOT SPECIFIED

SN74ALS257N1

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

Not Qualified

SN74S157JP4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

4

TTL

2

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T16

NOT SPECIFIED

NOT SPECIFIED

SN74HC604JP4

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

CERAMIC

NO

8

CMOS

2

IN-LINE

DIP28,.6

Multiplexer/Demultiplexers

2.54 mm

85 Cel

3-STATE

-40 Cel

DUAL

R-XDIP-T28

SN74AS857NTP3

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

6

TTL

2

IN-LINE

DIP24,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T24

NOT SPECIFIED

NOT SPECIFIED

SN74AS851NP3

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

16

IN-LINE

DIP28,.6

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T28

SN74251N

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

50 pF

IN-LINE

DIP16,.3

45 ns

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.75 V

NOT SPECIFIED

1

NOT SPECIFIED

19.305 mm

TTL/H/L

SN74LS356N

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

45 pF

IN-LINE

DIP20,.3

50 ns

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T20

5.25 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.75 V

46 mA

REGISTERED DATA INPUTS

NOT SPECIFIED

1

NOT SPECIFIED

24.325 mm

LS

SN74HC257NP3

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

CMOS

2

2/6

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

85 Cel

3-STATE

-40 Cel

DUAL

R-PDIP-T16

SN74LS258BJ

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

4

TTL

2

5

5

45 pF

IN-LINE

DIP16,.3

24 ns

24 Amp

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-GDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.75 V

15 mA

NOT SPECIFIED

1

NOT SPECIFIED

19.56 mm

LS

SN74HC356J

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

1

CMOS

8

2/6

IN-LINE

DIP20,.3

Multiplexer/Demultiplexers

2.54 mm

85 Cel

3-STATE

-40 Cel

DUAL

R-XDIP-T20

Not Qualified

74AC11258J

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

4

CMOS

2

3.3/5

IN-LINE

DIP20,.3

Multiplexer/Demultiplexers

2.54 mm

85 Cel

3-STATE

-40 Cel

DUAL

R-XDIP-T20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74S251N-10

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

15 pF

IN-LINE

19.5 ns

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.75 V

85 mA

1

19.305 mm

S

SN74HCT257NE4

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

CMOS

2

TUBE

5

5

150 pF

IN-LINE

DIP16,.3

48 ns

6 Amp

Multiplexer/Demultiplexers

2.54 mm

85 Cel

3-STATE

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

e4

1

19.305 mm

HCT

SN74153JP4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

2

TTL

4

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T16

NOT SPECIFIED

NOT SPECIFIED

Multiplexer & Demultiplexer

Multiplexers and demultiplexers are electronic circuits that are used to transmit and receive multiple signals over a single channel. They are essential components of digital systems and are used to reduce the number of transmission lines required to transmit multiple signals.

A multiplexer, also known as a mux, is a digital circuit that can select one of several input signals and transmit it to a single output line based on a control signal. A multiplexer can have two or more inputs and a single output, and the selection of the input is determined by the binary value of the control signal. Multiplexers are used to reduce the number of transmission lines required to transmit multiple signals over a long distance.

A demultiplexer, also known as a demux, is a digital circuit that can distribute a single input signal to one of several output lines based on a control signal. A demultiplexer can have a single input and two or more outputs, and the selection of the output is determined by the binary value of the control signal. Demultiplexers are used to receive multiple signals transmitted over a single line.

Multiplexers and demultiplexers are commonly used together in digital systems to transmit and receive multiple signals over a single channel. They are used in various applications, including digital signal processing, telecommunications, and data storage systems. Multiplexers and demultiplexers are also used in memory systems to store and retrieve data from memory cells.

Multiplexers and demultiplexers can be designed using various technologies, including transistor-transistor logic (TTL), complementary metal-oxide-semiconductor (CMOS), and field-programmable gate arrays (FPGAs). They can also be cascaded together to increase the number of inputs or outputs.