COMMERCIAL Logic Gates 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 No. of Functions Technology Screening Level No. of Inputs No. of Bits Translation Packing Method Nominal Supply Voltage / Vsup (V) Power Supplies (V) Load Capacitance (CL) Package Style (Meter) Package Equivalence Code Propagation Delay (tpd) Maximum I (ol) Sub-Category Terminal Pitch Maximum Operating Temperature Output Characteristics Minimum Operating Temperature Terminal Finish Terminal Position 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) Peak Reflow Temperature (C) Length Family

SN74AS34DR

Texas Instruments

BUFFER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

6

TTL

1

5

50 pF

SMALL OUTLINE

6 ns

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.5 V

1.75 mm

3.9 mm

Not Qualified

4.5 V

34.6 mA

8.65 mm

AS

SN74S133FN

Texas Instruments

NAND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

1

TTL

13

5

5

15 pF

CHIP CARRIER

LDCC20,.4SQ

7 ns

Gates

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

5.25 V

4.57 mm

8.9662 mm

Not Qualified

4.75 V

10 mA

NOT SPECIFIED

NOT SPECIFIED

8.9662 mm

S

SN74ALS22AFN-00

Texas Instruments

NAND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

TTL

4

5

50 pF

CHIP CARRIER

20 ns

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

QUAD

S-PQCC-J20

5.5 V

4.57 mm

8.9662 mm

Not Qualified

4.5 V

1.5 mA

8.9662 mm

ALS

SN74LS26NSRE4

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TR

5

5

SMALL OUTLINE

SOP14,.3

32 ns

8 Amp

Gates

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDSO-G14

5.25 V

2 mm

5.3 mm

Not Qualified

4.75 V

4.4 mA

NOT SPECIFIED

NOT SPECIFIED

10.2 mm

LS

SN74S140N

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

2

TTL

4

TUBE

5

5

50 pF

IN-LINE

DIP14,.3

6.5 ns

60 Amp

Gates

2.54 mm

70 Cel

0 Cel

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

DUAL

R-PDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

44 mA

IOL = 60MA @ VOL = 0.5V; IOH = 3MA @ VOH = 2.7V

e4

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

S

SN74S00PS

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

4

TTL

2

5

SMALL OUTLINE

5 ns

1.27 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.25 V

2 mm

5.3 mm

Not Qualified

4.75 V

e4

6.2 mm

LS

SN74LS63FN3

Texas Instruments

BUFFER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

TTL

CHIP CARRIER

LDCC20,.4SQ

Gates

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

NOT SPECIFIED

NOT SPECIFIED

SN74265J-00

Texas Instruments

AND/NAND GATE

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

2

TTL

2

5

15 pF

IN-LINE

18 ns

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

34 mA

MIXED WITH 2 INVERTERS/NON-INVERTERS

19.56 mm

TTL/H/L

SN74S86J

Texas Instruments

XOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

4

TTL

2

5

5

15 pF

IN-LINE

DIP14,.3

10 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-GDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

75 mA

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

S

SN74ALS04BDE4

Texas Instruments

INVERTER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

1

TUBE

5

5

50 pF

SMALL OUTLINE

SOP14,.25

11 ns

8 Amp

Gates

1.27 mm

70 Cel

3-STATE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

4.5 V

4.2 mA

e4

30

260

8.65 mm

ALS

SN74F08N3

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

TTL

5

5

IN-LINE

DIP14,.3

20 Amp

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

12.9 mA

SN7437NP3

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

22 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.25 V

4.75 V

SN74ALS1010N3

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

TTL

5

5

IN-LINE

DIP14,.3

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

SN74ALS804ADWRG4

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

2

TR

5

5

SMALL OUTLINE

SOP20,.4

8 ns

24 Amp

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G20

5.5 V

2.65 mm

7.5 mm

Not Qualified

4.5 V

12 mA

IOH = 15MA @ VOH = 2V; IOL = 24MA @ VOL = 0.5V

NOT SPECIFIED

NOT SPECIFIED

12.8 mm

ALS

SN74S86D3

Texas Instruments

XOR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

5

5

SMALL OUTLINE

SOP14,.25

10.5 ns

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.25 V

4.75 V

5962-01-126-1931

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

TTL

5

5

IN-LINE

DIP14,.3

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDIP-T14

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN7453J

Texas Instruments

AND-OR-INVERT GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

1

TTL

8

5

15 pF

IN-LINE

DIP14,.3

15 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-GDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

9.5 mA

2-2-2-2 INPUT; WITH 2 EXPAND INPUTS

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

TTL/H/L

SN74H01J

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

4

TTL

2

5

25 pF

IN-LINE

DIP14,.3

12 ns

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-GDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

40 mA

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

TTL/H/L

SN74ALS21FN

Texas Instruments

AND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

2

TTL

4

5

5

CHIP CARRIER

LDCC20,.4SQ

15 ns

Gates

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

5.5 V

Not Qualified

4.5 V

SN74ALS02D3

Texas Instruments

NOR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

5

5

SMALL OUTLINE

SOP14,.25

12 ns

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.5 V

4.5 V

SN74LS15N-00

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

3

TTL

3

5

15 pF

IN-LINE

35 ns

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

6.6 mA

19.305 mm

LS

SN74S03NP3

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

TTL

5

5

IN-LINE

DIP14,.3

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDIP-T14

SN74LS04J4

Texas Instruments

INVERTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

TTL

5

5

IN-LINE

DIP14,.3

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

NOT SPECIFIED

NOT SPECIFIED

5962-01-040-7030

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

TTL

5

5

IN-LINE

DIP14,.3

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74ALS00NP3

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

11 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.5 V

4.5 V

SN74H54N1

Texas Instruments

AND-OR-INVERT GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

1

TTL

9

IN-LINE

DIP14,.3

11 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.25 V

Not Qualified

4.75 V

5962-01-086-0294

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

TTL

5

5

IN-LINE

DIP14,.3

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN7416DE4

Texas Instruments

INVERTER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

1

TUBE

5

5

15 pF

SMALL OUTLINE

SOP14,.25

23 ns

40 Amp

Gates

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.25 V

1.75 mm

3.91 mm

Not Qualified

4.75 V

51 mA

IOL = 40MA @ VOL = 0.7V; IOH = 0.25MA @ VOH = 15V

e4

30

260

8.65 mm

TTL/H/L

SN74LS33N1

Texas Instruments

NOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

32 ns

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDIP-T14

5.25 V

Not Qualified

4.75 V

SN74ALS05ADE4

Texas Instruments

INVERTER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

1

TUBE

5

5

SMALL OUTLINE

SOP14,.25

54 ns

8 Amp

Gates

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

4.5 V

4.2 mA

e4

30

260

8.65 mm

ALS

SN74ALS28AN1

Texas Instruments

NOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

8 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.5 V

Not Qualified

4.5 V

NOT SPECIFIED

NOT SPECIFIED

ALS

SN74ALS09FN

Texas Instruments

AND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

4

TTL

2

5

5

CHIP CARRIER

LDCC20,.4SQ

54 ns

Gates

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

QUAD

S-PQCC-J20

5.5 V

Not Qualified

4.5 V

NOT SPECIFIED

NOT SPECIFIED

SN74AS1036N

Texas Instruments

NOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

TTL

5

5

IN-LINE

DIP14,.3

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

Not Qualified

SN74S05FN

Texas Instruments

INVERTER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

6

TTL

1

5

5

15 pF

CHIP CARRIER

LDCC20,.4SQ

7 ns

Gates

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

QUAD

S-PQCC-J20

5.25 V

4.57 mm

8.9662 mm

Not Qualified

4.75 V

54 mA

NOT SPECIFIED

NOT SPECIFIED

8.9662 mm

S

SN7410N

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

3

TTL

3

5

5

15 pF

IN-LINE

DIP14,.3

22 ns

16 Amp

Gates

2.54 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

16.5 mA

e4

19.305 mm

TTL/H/L

SN7413N1

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

YES

NO

2

TTL

4

5

5

IN-LINE

DIP14,.3

27 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.25 V

Not Qualified

4.75 V

SN74LS21N-00

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

15 pF

IN-LINE

20 ns

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

4.4 mA

19.305 mm

LS

SN74LS17N

Texas Instruments

BUFFER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

6

TTL

1

5

15 pF

IN-LINE

DIP14,.3

30 ns

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

45 mA

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

LS

SN74AS08N1

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

5.5 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.5 V

Not Qualified

4.5 V

SN74ALS1005N-10

Texas Instruments

INVERTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

6

TTL

1

5

50 pF

IN-LINE

10 ns

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDIP-T14

5.5 V

5.08 mm

7.62 mm

Not Qualified

4.5 V

12 mA

19.305 mm

ALS

SN74AS08NE4

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

TUBE

5

5

IN-LINE

DIP14,.3

5.5 ns

20 Amp

Gates

2.54 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T14

5.5 V

5.08 mm

7.62 mm

Not Qualified

4.5 V

24 mA

e4

19.305 mm

AS

SN74S10D3

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3

TTL

3

5

5

SMALL OUTLINE

SOP14,.25

5 ns

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.25 V

4.75 V

NOT SPECIFIED

NOT SPECIFIED

SN7438DR

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TR

5

5

45 pF

SMALL OUTLINE

SOP14,.25

22 ns

48 Amp

Gates

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.25 V

1.75 mm

3.91 mm

Not Qualified

4.75 V

54 mA

e4

30

260

8.65 mm

TTL/H/L

SN74S64N-10

Texas Instruments

AND-OR-INVERT GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

11

5

15 pF

IN-LINE

5.5 ns

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

16 mA

19.305 mm

S

SN74ALS33N1

Texas Instruments

NOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

33 ns

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDIP-T14

5.5 V

Not Qualified

4.5 V

NOT SPECIFIED

NOT SPECIFIED

SN74AS802JP4

Texas Instruments

OR/NOR GATE

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

NO

TTL

IN-LINE

DIP20,.3

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T20

NOT SPECIFIED

NOT SPECIFIED

SN74136J-00

Texas Instruments

XOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

4

TTL

2

5

15 pF

IN-LINE

55 ns

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-GDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

50 mA

19.56 mm

TTL/H/L

SN74ALS32NE4

Texas Instruments

OR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

TUBE

5

5

50 pF

IN-LINE

DIP14,.3

14 ns

8 Amp

Gates

2.54 mm

70 Cel

0 Cel

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

DUAL

R-PDIP-T14

5.5 V

5.08 mm

7.62 mm

Not Qualified

4.5 V

4.9 mA

e4

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

ALS

Logic Gates

Logic gates are electronic circuits that perform basic logical operations on one or more inputs to produce a single output. They are the building blocks of digital circuits and are used to implement digital logic functions, such as AND, OR, NOT, XOR, and NAND.

Logic gates are designed using various technologies, including transistor-transistor logic (TTL), complementary metal-oxide-semiconductor (CMOS), and field-programmable gate arrays (FPGAs). They can be classified into three main types based on their operation: combinational logic gates, sequential logic gates, and programmable logic gates.

Combinational logic gates are logic gates that produce an output based solely on the current input values. These gates include the AND gate, OR gate, NOT gate, XOR gate, and NAND gate. The output of a combinational logic gate depends on the input values and the logic function implemented by the gate.

Sequential logic gates are logic gates that have memory elements and can store information. These gates include the SR flip-flop, D flip-flop, JK flip-flop, and T flip-flop. The output of a sequential logic gate depends on the current input values and the previous state of the gate.

Programmable logic gates are logic gates that can be programmed to implement different logic functions. These gates include programmable logic arrays (PLAs), programmable array logic (PALs), and field-programmable gate arrays (FPGAs). Programmable logic gates can be reprogrammed to adapt to changing system requirements.

Logic gates are used in various applications, including digital signal processing, control systems, and memory systems. They are essential components of digital systems and can be found in many electronic devices, such as computers, mobile phones, and digital cameras.