COMMERCIAL Logic Gates 2,400+

Reset All
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

SN74ALS20ANSRG4

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

2

TTL

4

TR

5

5

SMALL OUTLINE

SOP20,.3

11 ns

8 Amp

Gates

1.27 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.5 V

2 mm

5.3 mm

Not Qualified

4.5 V

1.5 mA

e4

30

260

10.2 mm

ALS

SN74ALS805NP3

Texas Instruments

NOR GATE

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

TTL

IN-LINE

DIP20,.3

24 Amp

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T20

SN74AS805AFN

Texas Instruments

NOR GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

6

TTL

2

5

5

CHIP CARRIER

LDCC20,.4SQ

4.3 ns

Gates

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

5.5 V

Not Qualified

4.5 V

32 mA

SN74S134N

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

1

TTL

12

5

5

15 pF

IN-LINE

DIP16,.3

7.5 ns

Gates

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

16 mA

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

S

SN74ALS05ANSRE4

Texas Instruments

INVERTER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

1

TR

5

5

SMALL OUTLINE

SOP14,.3

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

2 mm

5.3 mm

Not Qualified

4.5 V

4.2 mA

e4

30

260

10.2 mm

ALS

SN74AS00NP1

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

4.5 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.5 V

Not Qualified

4.5 V

SN74ALS30AFN

Texas Instruments

NAND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

1

TTL

8

5

5

CHIP CARRIER

LDCC20,.4SQ

12 ns

Gates

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

5.5 V

Not Qualified

4.5 V

SN74S10J-00

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

3

TTL

3

5

15 pF

IN-LINE

5 ns

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

27 mA

19.56 mm

S

SN74ALS04ANP1

Texas Instruments

INVERTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

6

TTL

1

5

5

IN-LINE

DIP14,.3

11 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.5 V

Not Qualified

4.5 V

SN74AS1032N

Texas Instruments

OR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

6.3 ns

48 Amp

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.5 V

Not Qualified

4.5 V

24 mA

NOT SPECIFIED

NOT SPECIFIED

SN74ALS33NP1

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

SN74265N-10

Texas Instruments

AND/NAND GATE

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

2

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

4.75 V

34 mA

MIXED WITH 2 INVERTERS/NON-INVERTERS

19.305 mm

TTL/H/L

SN74ALS37ADR

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TR

5

5

50 pF

SMALL OUTLINE

SOP14,.25

7 ns

24 Amp

Gates

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

7.8 mA

IOH = 2.6MA @ VOH = 2.4V; IOL = 24MA @ VOL = 0.5V

NOT SPECIFIED

NOT SPECIFIED

8.65 mm

ALS

SN7408N-10

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

15 pF

IN-LINE

19 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

33 mA

19.305 mm

TTL/H/L

SN7453J4

Texas Instruments

AND-OR-INVERT GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

1

TTL

8

5

IN-LINE

DIP14,.3

22 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

5.25 V

4.75 V

NOT SPECIFIED

NOT SPECIFIED

SN74S64J-00

Texas Instruments

AND-OR-INVERT GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

TTL

11

5

15 pF

IN-LINE

5.5 ns

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

16 mA

19.56 mm

S

SN74H15J-00

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

3

TTL

3

5

25 pF

IN-LINE

13 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

48 mA

19.56 mm

TTL/H/L

SN74H50J

Texas Instruments

AND-OR-INVERT GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

2

TTL

4

5

25 pF

IN-LINE

DIP14,.3

11 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

24 mA

2 EXPAND INPUTS FOR 1 FUNCTION

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

TTL/H/L

SN74ALS832FN

Texas Instruments

OR GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

6

TTL

2

5

5

CHIP CARRIER

LDCC20,.4SQ

9 ns

24 Amp

Gates

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

5.5 V

Not Qualified

4.5 V

SN74AS1032FN-00

Texas Instruments

OR GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

4

TTL

2

5

50 pF

CHIP CARRIER

5.5 ns

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

5.5 V

4.57 mm

8.9662 mm

Not Qualified

4.5 V

24 mA

8.9662 mm

AS

SN74LS08N-00

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

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

8.8 mA

19.305 mm

LS

SN74ALS12AJ

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

TTL

IN-LINE

DIP14,.3

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-XDIP-T14

Not Qualified

SN74LS00PSRG4

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TR

5

5

15 pF

SMALL OUTLINE

SOP8,.3

15 ns

8 Amp

Gates

1.27 mm

70 Cel

0 Cel

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

DUAL

R-PDSO-G8

1

5.25 V

2 mm

5.3 mm

Not Qualified

4.75 V

4.4 mA

e4

NOT SPECIFIED

260

6.2 mm

LS

SN7404DR

Texas Instruments

INVERTER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

1

TR

5

5

15 pF

SMALL OUTLINE

SOP14,.25

22 ns

16 Amp

Gate

1.27 mm

70 Cel

0 Cel

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

DUAL

R-PDSO-G14

1

5.25 V

1.75 mm

3.9 mm

Not Qualified

4.75 V

33 mA

e4

NOT SPECIFIED

260

8.65 mm

TTL/H/L

SN74LS03DR

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TR

5

5

15 pF

SMALL OUTLINE

SOP14,.25

28 ns

16 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

3.9 mm

Not Qualified

4.75 V

4.4 mA

e4

30

260

8.65 mm

LS

SN74ALS20AN1

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

2

TTL

4

5

5

IN-LINE

DIP14,.3

11 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.5 V

Not Qualified

4.5 V

SN7420N8

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

15 pF

IN-LINE

15 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

11 mA

19.305 mm

TTL/H/L

SN74LS04N1

Texas Instruments

INVERTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

6

TTL

1

5

5

IN-LINE

DIP14,.3

15 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.25 V

Not Qualified

4.75 V

NOT SPECIFIED

NOT SPECIFIED

SN74LS15J-00

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

3

TTL

3

5

15 pF

IN-LINE

35 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

6.6 mA

19.56 mm

LS

SN74LS24D

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

YES

4

TTL

2

5

5

15 pF

SMALL OUTLINE

SOP14,.25

40 ns

8 Amp

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.25 V

1.75 mm

3.9 mm

Not Qualified

4.75 V

20 mA

NOT SPECIFIED

NOT SPECIFIED

8.65 mm

LS

SN74LS40N-10

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

45 pF

IN-LINE

24 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

6 mA

19.305 mm

LS

SN74ALS1000N3

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

SN74F27D3

Texas Instruments

NOR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3

TTL

3

5

5

SMALL OUTLINE

SOP14,.25

5.5 ns

20 Amp

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.5 V

4.5 V

12 mA

SN74LS132J

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

NO

4

TTL

2

5

5

15 pF

IN-LINE

DIP14,.3

22 ns

8 Amp

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

14 mA

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

LS

SN74ALS33AD

Texas Instruments

NOR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TUBE

5

5

50 pF

SMALL OUTLINE

SOP14,.25

12 ns

24 Amp

Gate

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

9 mA

IOH = 0.1MA @ VOH = 5.5V; IOL = 24MA @ VOL = 0.5V

e4

30

260

8.65 mm

ALS

SN74ALS832ANE4

Texas Instruments

OR GATE

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

6

TTL

2

TUBE

5

5

50 pF

IN-LINE

DIP20,.3

9 ns

24 Amp

Gates

2.54 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

4.5 V

16 mA

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

e4

25.4 mm

ALS

SN74ALS04NP1

Texas Instruments

INVERTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

6

TTL

1

5

5

IN-LINE

DIP14,.3

11 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.5 V

Not Qualified

4.5 V

SN74ALS40NP1

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

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74S38N

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

TUBE

5

5

50 pF

IN-LINE

DIP14,.3

10 ns

48 Amp

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T14

5.25 V

5.08 mm

6.35 mm

Not Qualified

4.75 V

80 mA

e4

19.3 mm

S

SN74LS10N-00

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

3

TTL

3

5

15 pF

IN-LINE

15 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

3.3 mA

19.305 mm

LS

SN7437J4

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

22 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

5.25 V

4.75 V

SN74S32DG4

Texas Instruments

OR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TUBE

5

5

15 pF

SMALL OUTLINE

SOP14,.25

7 ns

20 Amp

Gates

1.27 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.25 V

1.75 mm

3.9 mm

Not Qualified

4.75 V

68 mA

e4

30

260

8.65 mm

S

SN74ALS811J4

Texas Instruments

XNOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

TTL

IN-LINE

DIP14,.3

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-XDIP-T14

SN74AS8003PSRE4

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

2

TTL

2

TR

5

5

SMALL OUTLINE

SOP8,.3

4.5 ns

20 Amp

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G8

5.5 V

2 mm

5.3 mm

Not Qualified

4.5 V

8.7 mA

NOT SPECIFIED

NOT SPECIFIED

6.2 mm

AS

SN74LS54NP1

Texas Instruments

AND-OR-INVERT GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

1

TTL

10

5

5

IN-LINE

DIP14,.3

20 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.25 V

Not Qualified

4.75 V

SN74LS37FN

Texas Instruments

NAND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

4

TTL

2

5

5

45 pF

CHIP CARRIER

LDCC20,.4SQ

24 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

12 mA

NOT SPECIFIED

NOT SPECIFIED

8.9662 mm

LS

SN74ALS00AJ4

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

11 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

5.5 V

4.5 V

SN74ALS21NP3

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

2

TTL

4

5

5

IN-LINE

DIP14,.3

15 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.5 V

4.5 V

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.