DIP Multiplexer & Demultiplexer 2,398

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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

SN74HC298J

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

-40 Cel

DUAL

R-XDIP-T16

Not Qualified

SN74HC152NP1

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

8

IN-LINE

DIP14,.3

Multiplexer/Demultiplexers

2.54 mm

85 Cel

-40 Cel

DUAL

R-PDIP-T14

Not Qualified

SN74AS253N

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

IN-LINE

DIP16,.3

24 Amp

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

Not Qualified

14 mA

SN74157J

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

16 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

48 mA

NOT SPECIFIED

1

NOT SPECIFIED

19.56 mm

TTL/H/L

SN74HC352J

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

2

CMOS

4

2/6

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

85 Cel

-40 Cel

DUAL

R-XDIP-T16

Not Qualified

SN74LS157NP1

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

SN74157N3

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

5

IN-LINE

DIP16,.3

14 ns

Multiplexer/Demultiplexers

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

NOT SPECIFIED

1

NOT SPECIFIED

19.305 mm

TTL/H/L

SN74LS158NP3

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

SN74HC152N3

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

8

IN-LINE

DIP14,.3

Multiplexer/Demultiplexers

2.54 mm

85 Cel

-40 Cel

DUAL

R-PDIP-T14

SN74251JP4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

8

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-XDIP-T16

NOT SPECIFIED

NOT SPECIFIED

SN74151AN3

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

SN74AS353BN

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

5

IN-LINE

DIP16,.3

9 ns

48 Amp

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.5 V

31 mA

NOT SPECIFIED

1

NOT SPECIFIED

19.305 mm

AS

74AC11257J

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

SN74LS356J4

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

3-STATE

0 Cel

DUAL

R-XDIP-T20

SN74AS253NP3

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

IN-LINE

DIP16,.3

24 Amp

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

14 mA

NOT SPECIFIED

NOT SPECIFIED

SN74ALS251JP4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

8

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-XDIP-T16

NOT SPECIFIED

NOT SPECIFIED

SN74AS258NP3

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

SN74S258N

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

5

15 pF

IN-LINE

DIP16,.3

6 ns

20 Amp

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

INVERTED

4.75 V

81 mA

NOT SPECIFIED

1

NOT SPECIFIED

19.305 mm

S

SN74LS153J

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

2

TTL

4

5

5

15 pF

IN-LINE

DIP16,.3

26 ns

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

10 mA

NOT SPECIFIED

1

NOT SPECIFIED

19.56 mm

LS

SN74F151BN

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

2

TUBE

5

5

50 pF

IN-LINE

DIP16,.3

9 ns

20 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

COMPLEMENTARY

4.5 V

21 mA

e4

1

19.305 mm

F/FAST

SN74157N

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

5

15 pF

IN-LINE

DIP16,.3

14 ns

16 Amp

Multiplexer/Demultiplexers

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

NOT SPECIFIED

1

NOT SPECIFIED

19.305 mm

TTL/H/L

SN74AS353N3

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

5

IN-LINE

DIP16,.3

48 Amp

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

31 mA

NOT SPECIFIED

NOT SPECIFIED

SN74ALS153NP1

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 Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74S258N1

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

SN74AS353NP3

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

5

IN-LINE

DIP16,.3

48 Amp

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

31 mA

NOT SPECIFIED

NOT SPECIFIED

SN74298NP3

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

SN74S153NP3

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

SN74HC352NP1

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

SN74HC153N3

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 SPECIFIED

NOT SPECIFIED

SN74AS253J

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

2

TTL

4

IN-LINE

DIP16,.3

24 Amp

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-XDIP-T16

Not Qualified

14 mA

NOT SPECIFIED

NOT SPECIFIED

SN74AS250NTP3

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

16

5

5

IN-LINE

DIP24,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T24

NOT SPECIFIED

NOT SPECIFIED

SN74HC158J

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

-40 Cel

DUAL

R-XDIP-T16

Not Qualified

SN74S257NP1

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

SN74LS352NP3

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

SN74HC258N

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

CMOS

2

2

TUBE

5

2/6

150 pF

IN-LINE

DIP16,.3

190 ns

7.8 Amp

Multiplexer/Demultiplexers

2.54 mm

85 Cel

3-STATE

-40 Cel

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

DUAL

R-PDIP-T16

6 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

2 V

.08 mA

e4

NOT SPECIFIED

1

NOT SPECIFIED

19.305 mm

HC/UH

SN74S157N-10

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

0 Cel

DUAL

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.75 V

78 mA

1

19.305 mm

S

SN74AHCT257N

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

CMOS

2

5

5

50 pF

IN-LINE

DIP16,.3

8 Amp

Multiplexer/Demultiplexers

2.54 mm

85 Cel

3-STATE

-40 Cel

DUAL

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

NOT SPECIFIED

1

NOT SPECIFIED

19.305 mm

AHC

SN74HC253N-00

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

CMOS

4

5

150 pF

IN-LINE

59 ns

2.54 mm

85 Cel

-40 Cel

DUAL

R-PDIP-T16

6 V

5.08 mm

7.62 mm

Not Qualified

TRUE

2 V

1

19.305 mm

HC/UH

SN74S157N3

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

5

IN-LINE

DIP16,.3

7.5 ns

Multiplexer/Demultiplexers

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

NOT SPECIFIED

1

NOT SPECIFIED

19.305 mm

S

SN74LS257J4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

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-XDIP-T16

SN74AS850NP3

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

74AC11352J

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

2

CMOS

4

3.3/5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

85 Cel

-40 Cel

DUAL

R-XDIP-T16

Not Qualified

SN74LS354N1

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

IN-LINE

DIP20,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T20

Not Qualified

SN74LS258BNE4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

TUBE

5

5

15 pF

IN-LINE

DIP16,.3

17 ns

24 Amp

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.75 V

16 mA

e4

1

19.305 mm

LS

SN74AHC257N

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

CMOS

2

3.3

2/5.5

50 pF

IN-LINE

DIP16,.3

8 Amp

Multiplexer/Demultiplexers

2.54 mm

85 Cel

3-STATE

-40 Cel

DUAL

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

2 V

NOT SPECIFIED

1

NOT SPECIFIED

19.305 mm

AHC

SN74HC298NP3

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

-40 Cel

DUAL

R-PDIP-T16

SN74S251J

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

TTL

8

5

5

15 pF

IN-LINE

DIP16,.3

19.5 ns

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

COMPLEMENTARY

4.75 V

NOT SPECIFIED

1

NOT SPECIFIED

19.56 mm

S

SN74S258N-00

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

15 pF

IN-LINE

12 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

81 mA

1

19.305 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.