COMMERCIAL Multiplexer & Demultiplexer 1,750

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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

SN74ALS158NSRE4

Texas Instruments

MULTIPLEXER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

4

TTL

2

TR

5

5

SMALL OUTLINE

SOP16,.3

15 ns

8 Amp

Multiplexer/Demultiplexers

1.27 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G16

1

5.5 V

2 mm

5.3 mm

Not Qualified

INVERTED

4.5 V

10 mA

e4

30

1

260

10.2 mm

ALS

SN74S151N-10

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

SN74ALS253NP1

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

NOT SPECIFIED

NOT SPECIFIED

SN74ALS253DG4

Texas Instruments

MULTIPLEXER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

TTL

4

TUBE

5

5

SMALL OUTLINE

SOP16,.25

21 ns

24 Amp

Multiplexer/Demultiplexers

1.27 mm

70 Cel

3-STATE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G16

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

TRUE

4.5 V

14 mA

e4

30

1

260

9.9 mm

ALS

SN74LS257BNP1

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

5

IN-LINE

DIP16,.3

24 Amp

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

Not Qualified

SN74AS157N1

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

SN74LS353FN3

Texas Instruments

MULTIPLEXER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

TTL

4

5

5

CHIP CARRIER

LDCC20,.4SQ

Multiplexer/Demultiplexers

1.27 mm

70 Cel

3-STATE

0 Cel

QUAD

S-PQCC-J20

SN74LS354FN3

Texas Instruments

MULTIPLEXER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

8

CHIP CARRIER

LDCC20,.4SQ

Multiplexer/Demultiplexers

1.27 mm

70 Cel

3-STATE

0 Cel

QUAD

S-PQCC-J20

SN74LS157J

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

4

TTL

2

5

5

15 pF

IN-LINE

DIP16,.3

27 ns

8 Amp

Multiplexer/Demultiplexers

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

16 mA

NOT SPECIFIED

1

NOT SPECIFIED

19.56 mm

LS

SN74251NP1

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74AS352FN

Texas Instruments

MULTIPLEXER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

TTL

4

CHIP CARRIER

LDCC20,.4SQ

Multiplexer/Demultiplexers

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

Not Qualified

SN74ALS257AD

Texas Instruments

MULTIPLEXER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

4

TTL

2

2

TUBE

5

5

50 pF

SMALL OUTLINE

SOP16,.25

12 ns

24 Amp

Multiplexer/Demultiplexer

1.27 mm

70 Cel

3-STATE

0 Cel

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

DUAL

R-PDSO-G16

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

TRUE

4.5 V

12 mA

e4

NOT SPECIFIED

1

260

9.9 mm

ALS

SN74LS257BFNR

Texas Instruments

MULTIPLEXER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

4

TTL

2

5

45 pF

CHIP CARRIER

24 ns

1.27 mm

70 Cel

3-STATE

0 Cel

QUAD

S-PQCC-J20

5.25 V

4.57 mm

8.9662 mm

Not Qualified

TRUE

4.75 V

18 mA

1

8.9662 mm

LS

SN74LS257N

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

SN74ALS257FN

Texas Instruments

MULTIPLEXER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

4

TTL

2

5

5

CHIP CARRIER

LDCC20,.4SQ

Multiplexer/Demultiplexers

1.27 mm

70 Cel

3-STATE

0 Cel

QUAD

S-PQCC-J20

Not Qualified

SN74151AN-00

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

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

COMPLEMENTARY

4.75 V

48 mA

1

19.305 mm

TTL/H/L

SN74LS258AN-10

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

45 pF

IN-LINE

21 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

INVERTED

4.75 V

14 mA

1

19.305 mm

LS

SN74LS257N3

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

SN74153J4

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

SN74F258DRE4

Texas Instruments

MULTIPLEXER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

4

TTL

2

TR

5

5

50 pF

SMALL OUTLINE

SOP16,.25

11 ns

24 Amp

Multiplexer/Demultiplexers

1.27 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDSO-G16

5.5 V

1.75 mm

3.9 mm

Not Qualified

INVERTED

4.5 V

23 mA

NOT SPECIFIED

1

NOT SPECIFIED

9.9 mm

F/FAST

SN74LS257N1

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

SN74351NP3

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

8

IN-LINE

DIP20,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T20

NOT SPECIFIED

NOT SPECIFIED

SN74AS257NSR

Texas Instruments

MULTIPLEXER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

4

TTL

2

2

TR

5

5

50 pF

SMALL OUTLINE

SOP16,.3

6 ns

48 Amp

Multiplexer/Demultiplexers

1.27 mm

70 Cel

3-STATE

0 Cel

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

DUAL

R-PDSO-G16

1

5.5 V

2 mm

5.3 mm

Not Qualified

TRUE

4.5 V

31.9 mA

e4

NOT SPECIFIED

1

260

10.2 mm

AS

SN74LS253N-00

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

15 pF

IN-LINE

32 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

12 mA

1

19.305 mm

LS

SN74153NP3

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

0 Cel

DUAL

R-PDIP-T16

NOT SPECIFIED

NOT SPECIFIED

SN74AS251D3

Texas Instruments

MULTIPLEXER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

SMALL OUTLINE

SOP16,.25

Multiplexer/Demultiplexers

1.27 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDSO-G16

NOT SPECIFIED

NOT SPECIFIED

SN74LS298JP4

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

SN74AS257J

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

3-STATE

0 Cel

DUAL

R-XDIP-T16

Not Qualified

SN74157N-00

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

15 pF

IN-LINE

27 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

48 mA

1

19.305 mm

TTL/H/L

SN74ALS258ANSRE4

Texas Instruments

MULTIPLEXER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

4

TTL

2

TR

5

5

SMALL OUTLINE

SOP16,.3

8 ns

24 Amp

Multiplexer/Demultiplexers

1.27 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDSO-G16

5.5 V

2 mm

5.3 mm

Not Qualified

INVERTED

4.5 V

13 mA

NOT SPECIFIED

1

NOT SPECIFIED

10.2 mm

ALS

SN74S257FNR

Texas Instruments

MULTIPLEXER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

4

TTL

2

5

15 pF

CHIP CARRIER

15 ns

1.27 mm

70 Cel

3-STATE

0 Cel

QUAD

S-PQCC-J20

5.25 V

4.57 mm

8.9662 mm

Not Qualified

TRUE

4.75 V

93 mA

1

8.9662 mm

S

SN74AS157JP4

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

SN74150NE4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

16

5

5

IN-LINE

DIP24,.6

20 ns

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T24

5.25 V

5.08 mm

15.24 mm

Not Qualified

INVERTED

4.75 V

SN54S15J, SNJ54S15J THIS PARTS ARE REMOVED BECAUSE OF LEAF CLASS ISSUE

e4

1

31.75 mm

TTL/H/L

SN74ALS153DE4

Texas Instruments

MULTIPLEXER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

TTL

4

TUBE

5

5

50 pF

SMALL OUTLINE

SOP16,.25

21 ns

24 Amp

Multiplexer/Demultiplexer

1.27 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G16

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

TRUE

4.5 V

14 mA

e4

30

1

260

9.9 mm

ALS

SN74ALS253N-10

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

50 pF

IN-LINE

21 ns

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

12 mA

1

19.305 mm

ALS

SN74S251J-00

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

TTL

8

5

15 pF

IN-LINE

19.5 ns

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-GDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.75 V

85 mA

1

19.56 mm

S

SN74F257DRE4

Texas Instruments

MULTIPLEXER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

4

TTL

2

TR

5

5

50 pF

SMALL OUTLINE

SOP16,.25

9.5 ns

24 Amp

Multiplexer/Demultiplexers

1.27 mm

70 Cel

3-STATE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G16

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

TRUE

4.5 V

22 mA

e4

30

1

260

9.9 mm

F/FAST

SN74151AN-10

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

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

COMPLEMENTARY

4.75 V

48 mA

1

19.305 mm

TTL/H/L

SN74LS298N1

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

SN74AS250ADWR

Texas Instruments

MULTIPLEXER

COMMERCIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

16

TR

5

5

50 pF

SMALL OUTLINE

SOP24,.4

10.5 ns

48 Amp

Multiplexer/Demultiplexers

1.27 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDSO-G24

5.5 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.5 V

50 mA

NOT SPECIFIED

1

NOT SPECIFIED

15.4 mm

AS

SN74AS251N

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74L153N-10

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

30 pF

IN-LINE

68 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

30 mA

1

19.305 mm

TTL/H/L

SN74AS298FN

Texas Instruments

MULTIPLEXER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

4

TTL

2

5

5

CHIP CARRIER

LDCC20,.4SQ

20 Amp

Multiplexer/Demultiplexers

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

Not Qualified

36 mA

NOT SPECIFIED

NOT SPECIFIED

SN74ALS253NE4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

TUBE

5

5

IN-LINE

DIP16,.3

21 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

TRUE

4.5 V

14 mA

e4

1

19.305 mm

ALS

SN74AS153DP3

Texas Instruments

MULTIPLEXER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

TTL

4

SMALL OUTLINE

SOP16,.25

Multiplexer/Demultiplexers

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G16

NOT SPECIFIED

NOT SPECIFIED

SN74AS353FN

Texas Instruments

MULTIPLEXER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

TTL

4

5

5

CHIP CARRIER

LDCC20,.4SQ

48 Amp

Multiplexer/Demultiplexers

1.27 mm

70 Cel

3-STATE

0 Cel

QUAD

S-PQCC-J20

Not Qualified

31 mA

NOT SPECIFIED

NOT SPECIFIED

SN74ALS158JP4

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

SN74S157J-00

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

4

TTL

2

5

15 pF

IN-LINE

15 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

78 mA

1

19.56 mm

S

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.