20 Multiplexer & Demultiplexer 1,295

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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

74ACT11257PWR

Texas Instruments

MULTIPLEXER

INDUSTRIAL

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

4

CMOS

2

TR

5

5

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

8.7 ns

24 Amp

Multiplexer/Demultiplexers

.65 mm

85 Cel

3-STATE

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G20

1

5.5 V

1.2 mm

4.4 mm

Not Qualified

TRUE

4.5 V

CENTER VCC/GND PINS

e4

30

1

260

6.5 mm

ACT

74AC11157DWR

Texas Instruments

MULTIPLEXER

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

4

CMOS

2

TR

5

3.3/5

50 pF

SMALL OUTLINE

SOP20,.4

9 ns

24 Amp

Multiplexer/Demultiplexers

1.27 mm

85 Cel

-40 Cel

DUAL

R-PDSO-G20

5.5 V

2.65 mm

7.5 mm

Not Qualified

TRUE

3 V

CENTER VCC/GND PINS

NOT SPECIFIED

1

NOT SPECIFIED

12.8 mm

AC

74ACT11158J

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

4

CMOS

2

5

5

IN-LINE

DIP20,.3

Multiplexer/Demultiplexers

2.54 mm

85 Cel

-40 Cel

DUAL

R-XDIP-T20

Not Qualified

SN74S251FNR

Texas Instruments

MULTIPLEXER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

8

5

15 pF

CHIP CARRIER

19.5 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

COMPLEMENTARY

4.75 V

1

8.9662 mm

S

SN74S151FN

Texas Instruments

MULTIPLEXER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

8

5

15 pF

CHIP CARRIER

LDCC20,.4SQ

18 ns

Multiplexer/Demultiplexers

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

5.25 V

4.57 mm

8.9662 mm

Not Qualified

COMPLEMENTARY

4.75 V

70 mA

NOT SPECIFIED

1

NOT SPECIFIED

8.9662 mm

S

SN74LS157FN3

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

0 Cel

QUAD

S-PQCC-J20

SN74ALS153FN3

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

0 Cel

QUAD

S-PQCC-J20

NOT SPECIFIED

NOT SPECIFIED

SN74ALS253FN3

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

NOT SPECIFIED

NOT SPECIFIED

74AC11257DW

Texas Instruments

MULTIPLEXER

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

4

CMOS

2

2

TUBE

5

3.3/5

50 pF

SMALL OUTLINE

SOP20,.4

10.1 ns

24 Amp

Multiplexer/Demultiplexers

1.27 mm

85 Cel

3-STATE

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G20

1

5.5 V

2.65 mm

7.5 mm

Not Qualified

TRUE

3 V

.04 mA

CENTER VCC/GND PINS

e4

30

1

260

12.8 mm

AC

SN74HC354N-00

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

8

5

150 pF

IN-LINE

81 ns

2.54 mm

85 Cel

3-STATE

-40 Cel

DUAL

R-PDIP-T20

6 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

TRANSPARENT ADDRESS LATCHES

1

24.325 mm

HC/UH

74ACT11257J

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

4

CMOS

2

5

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

SN74ALS158FN3

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

0 Cel

QUAD

S-PQCC-J20

SN74HC354N

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

8

5

2/6

50 pF

IN-LINE

DIP20,.3

344 ns

7.8 Amp

Multiplexer/Demultiplexers

2.54 mm

85 Cel

3-STATE

-40 Cel

DUAL

R-PDIP-T20

6 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

NOT SPECIFIED

1

NOT SPECIFIED

24.325 mm

HC/UH

74ACT11157DWR

Texas Instruments

MULTIPLEXER

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

4

CMOS

2

TR

5

5

50 pF

SMALL OUTLINE

SOP20,.4

11.5 ns

Multiplexer/Demultiplexers

1.27 mm

85 Cel

-40 Cel

DUAL

R-PDSO-G20

5.5 V

2.65 mm

7.5 mm

Not Qualified

TRUE

4.5 V

CENTER VCC/GND PINS

NOT SPECIFIED

1

NOT SPECIFIED

12.8 mm

ACT

SN74ALS257FN-00

Texas Instruments

MULTIPLEXER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

4

TTL

2

5

50 pF

CHIP CARRIER

22 ns

1.27 mm

70 Cel

3-STATE

0 Cel

QUAD

S-PQCC-J20

5.5 V

4.57 mm

8.9662 mm

Not Qualified

TRUE

4.5 V

12 mA

1

8.9662 mm

ALS

SN74ALS151FN3

Texas Instruments

MULTIPLEXER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

8

5

5

CHIP CARRIER

LDCC20,.4SQ

Multiplexer/Demultiplexers

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

NOT SPECIFIED

NOT SPECIFIED

74ACT11157N

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

CMOS

2

5

5

50 pF

IN-LINE

DIP20,.3

11.5 ns

Multiplexer/Demultiplexers

2.54 mm

85 Cel

-40 Cel

DUAL

R-PDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

CENTER VCC/GND PINS

NOT SPECIFIED

1

NOT SPECIFIED

24.325 mm

ACT

SN74LS353FNR

Texas Instruments

MULTIPLEXER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

TTL

4

5

15 pF

CHIP CARRIER

32 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

INVERTED

4.75 V

12 mA

1

8.9662 mm

LS

SN74S257FN3

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

74ACT11158D

Texas Instruments

MULTIPLEXER

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

4

CMOS

2

5

5

SMALL OUTLINE

SOP20,.25

Multiplexer/Demultiplexers

1.27 mm

85 Cel

-40 Cel

DUAL

R-PDSO-G20

Not Qualified

SN74351J4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

2

TTL

8

IN-LINE

DIP20,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-XDIP-T20

NOT SPECIFIED

NOT SPECIFIED

SN74HC354NP3

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

8

2/6

IN-LINE

DIP20,.3

Multiplexer/Demultiplexers

2.54 mm

85 Cel

3-STATE

-40 Cel

DUAL

R-PDIP-T20

SN74ALS158FN

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

0 Cel

QUAD

S-PQCC-J20

Not Qualified

SN74ALS251FN-00

Texas Instruments

MULTIPLEXER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

8

5

50 pF

CHIP CARRIER

24 ns

1.27 mm

70 Cel

3-STATE

0 Cel

QUAD

S-PQCC-J20

5.5 V

4.57 mm

8.9662 mm

Not Qualified

COMPLEMENTARY

4.5 V

10 mA

1

8.9662 mm

ALS

SN74HC353FN

Texas Instruments

MULTIPLEXER

INDUSTRIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

CMOS

4

2/6

CHIP CARRIER

LDCC20,.4SQ

Multiplexer/Demultiplexers

1.27 mm

85 Cel

3-STATE

-40 Cel

QUAD

S-PQCC-J20

Not Qualified

SN74351JP4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

2

TTL

8

IN-LINE

DIP20,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-XDIP-T20

NOT SPECIFIED

NOT SPECIFIED

SN74LS354J

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

TTL

8

5

45 pF

IN-LINE

DIP20,.3

45 ns

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-GDIP-T20

5.25 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.75 V

46 mA

TRANSPARENT ADDRESS LATCHES

NOT SPECIFIED

1

NOT SPECIFIED

24.195 mm

LS

PCA9544AGQNR

Texas Instruments

MULTIPLEXER

INDUSTRIAL

BALL

20

VFBGA

RECTANGULAR

PLASTIC/EPOXY

YES

1

4

2.5

GRID ARRAY, VERY THIN PROFILE, FINE PITCH

1000 ns

.65 mm

85 Cel

-40 Cel

BOTTOM

R-PBGA-B20

5.5 V

1 mm

3 mm

Not Qualified

TRUE

2.3 V

NOT SPECIFIED

1

NOT SPECIFIED

4 mm

9544

SN74LS398DW3

Texas Instruments

MULTIPLEXER

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

4

TTL

2

5

5

SMALL OUTLINE

SOP20,.4

Multiplexer/Demultiplexers

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G20

NOT SPECIFIED

NOT SPECIFIED

SN74LS355J4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

8

IN-LINE

DIP20,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-XDIP-T20

SN74LS258BFN

Texas Instruments

MULTIPLEXER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

4

TTL

2

5

5

45 pF

CHIP CARRIER

LDCC20,.4SQ

24 ns

24 Amp

Multiplexer/Demultiplexers

1.27 mm

70 Cel

3-STATE

0 Cel

QUAD

S-PQCC-J20

5.25 V

4.57 mm

8.9662 mm

Not Qualified

INVERTED

4.75 V

15 mA

NOT SPECIFIED

1

NOT SPECIFIED

8.9662 mm

LS

SN74AS251FN3

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

NOT SPECIFIED

NOT SPECIFIED

74ACT11158N

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

CMOS

2

5

5

50 pF

IN-LINE

DIP20,.3

10.8 ns

Multiplexer/Demultiplexers

2.54 mm

85 Cel

-40 Cel

DUAL

R-PDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.5 V

CENTER VCC/GND PINS

NOT SPECIFIED

1

NOT SPECIFIED

24.325 mm

ACT

SN74LS355J

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

TTL

8

5

45 pF

IN-LINE

DIP20,.3

49 ns

Multiplexer/Demultiplexers

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-GDIP-T20

5.25 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.75 V

46 mA

TRANSPARENT ADDRESS LATCHES

NOT SPECIFIED

1

NOT SPECIFIED

24.195 mm

LS

SN74LS357DW3

Texas Instruments

MULTIPLEXER

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

SMALL OUTLINE

SOP20,.4

Multiplexer/Demultiplexers

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDSO-G20

NOT SPECIFIED

NOT SPECIFIED

74ACT11158DW

Texas Instruments

MULTIPLEXER

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

4

CMOS

2

5

5

50 pF

SMALL OUTLINE

SOP20,.4

10.8 ns

Multiplexer/Demultiplexers

1.27 mm

85 Cel

-40 Cel

DUAL

R-PDSO-G20

5.5 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.5 V

CENTER VCC/GND PINS

NOT SPECIFIED

1

NOT SPECIFIED

12.8 mm

ACT

SN74LS355FN3

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

OPEN-COLLECTOR

0 Cel

QUAD

S-PQCC-J20

SN74HC157FHP4

Texas Instruments

MULTIPLEXER

INDUSTRIAL

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

4

CMOS

2

2/6

CHIP CARRIER

LCC20,.35SQ

Multiplexer/Demultiplexers

1.27 mm

85 Cel

-40 Cel

QUAD

S-XQCC-N20

74ACT11257N

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

CMOS

2

TUBE

5

5

50 pF

IN-LINE

DIP20,.3

9.4 ns

24 Amp

Multiplexer/Demultiplexers

2.54 mm

85 Cel

3-STATE

-40 Cel

DUAL

R-PDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

CENTER VCC/GND PINS

NOT SPECIFIED

1

NOT SPECIFIED

24.325 mm

ACT

SN74HC356J4

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

SN74HC158FHP4

Texas Instruments

MULTIPLEXER

INDUSTRIAL

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

4

CMOS

2

2/6

CHIP CARRIER

LCC20,.35SQ

Multiplexer/Demultiplexers

1.27 mm

85 Cel

-40 Cel

QUAD

S-XQCC-N20

SN74HC298FN3

Texas Instruments

MULTIPLEXER

INDUSTRIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

4

CMOS

2

2/6

CHIP CARRIER

LDCC20,.4SQ

Multiplexer/Demultiplexers

1.27 mm

85 Cel

-40 Cel

QUAD

S-PQCC-J20

SN74AS298FN3

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

36 mA

NOT SPECIFIED

NOT SPECIFIED

SN74HC151FN

Texas Instruments

MULTIPLEXER

INDUSTRIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

8

2/6

CHIP CARRIER

LDCC20,.4SQ

Multiplexer/Demultiplexers

1.27 mm

85 Cel

-40 Cel

QUAD

S-PQCC-J20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74S258FN

Texas Instruments

MULTIPLEXER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

4

TTL

2

5

5

15 pF

CHIP CARRIER

LDCC20,.4SQ

12 ns

Multiplexer/Demultiplexers

1.27 mm

70 Cel

3-STATE

0 Cel

QUAD

S-PQCC-J20

5.25 V

4.57 mm

8.9662 mm

Not Qualified

INVERTED

4.75 V

81 mA

NOT SPECIFIED

1

NOT SPECIFIED

8.9662 mm

S

SN74HC151FHP4

Texas Instruments

MULTIPLEXER

INDUSTRIAL

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

1

CMOS

8

2/6

CHIP CARRIER

LCC20,.35SQ

Multiplexer/Demultiplexers

1.27 mm

85 Cel

-40 Cel

QUAD

S-XQCC-N20

NOT SPECIFIED

NOT SPECIFIED

SN74AS158FN

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

0 Cel

QUAD

S-PQCC-J20

Not Qualified

SN74HC153FN3

Texas Instruments

MULTIPLEXER

INDUSTRIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

CMOS

4

2/6

CHIP CARRIER

LDCC20,.4SQ

Multiplexer/Demultiplexers

1.27 mm

85 Cel

-40 Cel

QUAD

S-PQCC-J20

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.