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

SN7414N-10

Texas Instruments

INVERTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

6

TTL

1

5

15 pF

IN-LINE

22 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

60 mA

19.305 mm

TTL/H/L

SN74ALS03BNE4

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

50 ns

8 Amp

Gate

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T14

5.5 V

5.08 mm

7.62 mm

Not Qualified

4.5 V

4 mA

e4

19.305 mm

ALS

SN74AS30JP4

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

1

TTL

8

5

5

IN-LINE

DIP14,.3

5 ns

20 Amp

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

5.5 V

4.5 V

4.9 mA

SN74ALS8003FN-00

Texas Instruments

NAND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

TTL

2

5

50 pF

CHIP CARRIER

8 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

1.5 mA

8.9662 mm

ALS

SN74ALS1005NP1

Texas Instruments

INVERTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

6

TTL

1

5

5

IN-LINE

DIP14,.3

30 ns

24 Amp

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDIP-T14

5.5 V

Not Qualified

4.5 V

12 mA

NOT SPECIFIED

NOT SPECIFIED

SN74ALS33AN

Texas Instruments

NOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

TUBE

5

5

50 pF

IN-LINE

DIP14,.3

12 ns

24 Amp

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T14

5.5 V

5.08 mm

7.62 mm

Not Qualified

4.5 V

9 mA

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

e4

19.305 mm

ALS

SN7423N3

Texas Instruments

NOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

2

TTL

4

5

15 pF

IN-LINE

DIP16,.3

15 ns

Gates

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

19 mA

STROBED O/P'S; EXPANDABLE

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

TTL/H/L

SN74ALS21ANE4

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

2

TTL

4

TUBE

5

5

50 pF

IN-LINE

DIP14,.3

15 ns

8 Amp

Gate

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

2.3 mA

e4

19.305 mm

ALS

SN74LS386AJ

Texas Instruments

XOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

4

TTL

2

5

15 pF

IN-LINE

22 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

10 mA

19.56 mm

LS

SN74H15J4

Texas Instruments

AND 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 SPECIFIED

NOT SPECIFIED

SN74ALS00JP4

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

SN74AS1004JP4

Texas Instruments

INVERTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

6

TTL

1

5

5

IN-LINE

DIP14,.3

4 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

5.5 V

4.5 V

NOT SPECIFIED

NOT SPECIFIED

SN7426N1

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

24 ns

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDIP-T14

5.25 V

Not Qualified

4.75 V

NOT SPECIFIED

NOT SPECIFIED

SN74AS802J

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 Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74LS33DR

Texas Instruments

NOR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TR

5

5

45 pF

SMALL OUTLINE

SOP14,.25

28 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

3.9 mm

Not Qualified

4.75 V

13.8 mA

e4

30

260

8.65 mm

LS

SN74AS1008ADP3

Texas Instruments

AND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

5

5

SMALL OUTLINE

SOP14,.25

6 ns

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.5 V

4.5 V

NOT SPECIFIED

NOT SPECIFIED

SN7417N1

Texas Instruments

BUFFER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

6

TTL

1

5

5

IN-LINE

DIP14,.3

26 ns

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDIP-T14

5.5 V

Not Qualified

4.5 V

SN7400N-00

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

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-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

22 mA

19.305 mm

TTL/H/L

SN74LS28N1

Texas Instruments

NOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

24 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.25 V

Not Qualified

4.75 V

SN74L03J-00

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

4

TTL

2

5

50 pF

IN-LINE

60 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

2.04 mA

19.56 mm

TTL/H/L

SN74LS30N-00

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

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

1.1 mA

19.305 mm

LS

SN7403N3

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

5

5

15 pF

IN-LINE

DIP14,.3

15 ns

16 Amp

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

22 mA

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

TTL/H/L

SN7409N

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

5

5

15 pF

IN-LINE

DIP14,.3

32 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

33 mA

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

TTL/H/L

SN74S140NE4

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

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

19.305 mm

S

SN74LS02JP4

Texas Instruments

NOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

15 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

5.25 V

4.75 V

SN74AS808AFN-00

Texas Instruments

AND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

6

TTL

2

5

50 pF

CHIP CARRIER

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

32 mA

8.9662 mm

AS

SN74LS132JP4

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

YES

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

22 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

5.5 V

4.5 V

NOT SPECIFIED

NOT SPECIFIED

SN74S40FN

Texas Instruments

NAND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

2

TTL

4

5

5

50 pF

CHIP CARRIER

LDCC20,.4SQ

6.5 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

44 mA

NOT SPECIFIED

NOT SPECIFIED

8.9662 mm

S

SN74ALS22AJP4

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

TTL

5

5

IN-LINE

DIP14,.3

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-XDIP-T14

5962-01-027-6863

Texas Instruments

INVERTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

TTL

TUBE

5

5

15 pF

IN-LINE

DIP14,.3

8 Amp

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

Not Qualified

6.6 mA

NOT SPECIFIED

NOT SPECIFIED

SN74ALS04BDP3

Texas Instruments

INVERTER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

1

5

5

SMALL OUTLINE

SOP14,.25

11 ns

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.5 V

4.5 V

NOT SPECIFIED

NOT SPECIFIED

SN74ALS04AN

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

ALS

SN74AS27NE4

Texas Instruments

NOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

3

TTL

3

5

5

50 pF

IN-LINE

DIP14,.3

4.5 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

17.1 mA

e4

19.305 mm

AS

SN74ALS1034NP3

Texas Instruments

BUFFER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

6

TTL

1

5

5

IN-LINE

DIP14,.3

8 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.5 V

4.5 V

SN74LS10NSRE4

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3

TTL

3

TR

5

5

15 pF

SMALL OUTLINE

SOP14,.3

15 ns

8 Amp

Gates

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

3.3 mA

e4

30

260

10.2 mm

LS

SN74ALS808JP4

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

NO

6

TTL

2

5

5

IN-LINE

DIP20,.3

9 ns

24 Amp

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T20

5.5 V

4.5 V

SN74LS19ADRG4

Texas Instruments

INVERTER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

YES

6

TTL

1

TR

5

5

SMALL OUTLINE

SOP14,.25

30 ns

8 Amp

Gates

1.27 mm

70 Cel

TOTEM POLE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.25 V

1.75 mm

3.9 mm

Not Qualified

4.75 V

30 mA

e4

30

260

8.65 mm

LS

SN74F20DE4

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

2

TTL

4

TUBE

5

5

50 pF

SMALL OUTLINE

SOP14,.25

5.3 ns

20 Amp

Gates

1.27 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

4.5 V

5.1 mA

e4

40

260

8.65 mm

F/FAST

SN7486JP4

Texas Instruments

XOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

23 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

5.25 V

4.75 V

SN74S437J

Texas Instruments

INVERTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

6

TTL

1

5

500 pF

IN-LINE

DIP16,.3

16 ns

Gates

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

60 mA

LINE/MEMORY DRIVER; STROBED O/P'S

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

S

SN74ALS30AN1

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

1

TTL

8

5

5

IN-LINE

DIP14,.3

12 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.5 V

Not Qualified

4.5 V

SN74ALS1005DE4

Texas Instruments

INVERTER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

1

5

5

50 pF

SMALL OUTLINE

SOP14,.25

10 ns

24 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

12 mA

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

e4

30

260

8.65 mm

ALS

SN74AS00J

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

4.5 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-CDIP-T14

5.5 V

Not Qualified

4.5 V

NOT SPECIFIED

NOT SPECIFIED

AS

SN74LS33NSRE4

Texas Instruments

NOR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TR

5

5

SMALL OUTLINE

SOP14,.3

32 ns

24 Amp

Gates

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.25 V

2 mm

5.3 mm

Not Qualified

4.75 V

13.8 mA

e4

30

260

10.2 mm

LS

SN74AS1004ANP3

Texas Instruments

INVERTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

6

TTL

1

5

5

IN-LINE

DIP14,.3

4 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.5 V

4.5 V

NOT SPECIFIED

NOT SPECIFIED

SN74LS32FN

Texas Instruments

OR GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

4

TTL

2

5

5

15 pF

CHIP CARRIER

LDCC20,.4SQ

22 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

9.8 mA

NOT SPECIFIED

NOT SPECIFIED

8.9662 mm

LS

SN74ALS03AFN

Texas Instruments

NAND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

4

TTL

2

5

5

CHIP CARRIER

LDCC20,.4SQ

50 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

SN74S134N1

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

1

TTL

12

5

5

IN-LINE

DIP16,.3

7.5 ns

Gates

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

5.5 V

Not Qualified

4.5 V

NOT SPECIFIED

NOT SPECIFIED

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.