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

SN74F10D3

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3

TTL

3

5

5

SMALL OUTLINE

SOP14,.25

6 ns

20 Amp

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.5 V

4.5 V

7.7 mA

SN74ALS27DR

Texas Instruments

NOR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3

TTL

3

TR

5

5

50 pF

SMALL OUTLINE

SOP14,.25

9 ns

8 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

4 mA

NOT SPECIFIED

NOT SPECIFIED

8.65 mm

ALS

SN74F260DG4

Texas Instruments

NOR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

2

TTL

5

TUBE

5

5

50 pF

SMALL OUTLINE

SOP14,.25

4.5 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

9.5 mA

e4

30

260

8.65 mm

F/FAST

SN74AS10NSRG4

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3

TTL

3

TR

5

5

SMALL OUTLINE

SOP14,.3

4.5 ns

20 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

13 mA

e4

30

260

10.2 mm

AS

SN74ALS832-1FN3

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

48 Amp

Gates

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

5.5 V

4.5 V

SN74S00NSR

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,.3

5 ns

20 Amp

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.25 V

2 mm

5.3 mm

Not Qualified

4.75 V

36 mA

NOT SPECIFIED

NOT SPECIFIED

10.2 mm

S

SN7403J-00

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

4

TTL

2

5

15 pF

IN-LINE

15 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

22 mA

19.56 mm

TTL/H/L

SN74ALS20JP4

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

2

TTL

4

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

SN74S140DR

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

2

TTL

4

TR

5

5

50 pF

SMALL OUTLINE

SOP14,.25

6.5 ns

60 Amp

Gates

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

44 mA

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

e4

NOT SPECIFIED

260

8.65 mm

S

SN74ALS8003AD

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

2

TTL

2

5

5

50 pF

SMALL OUTLINE

SOP8,.25

8 ns

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G8

5.5 V

1.75 mm

3.9 mm

Not Qualified

4.5 V

1.5 mA

NOT SPECIFIED

NOT SPECIFIED

4.9 mm

ALS

SN74AS10N1

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

3

TTL

3

5

5

IN-LINE

DIP14,.3

4.5 ns

4.5 Amp

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.5 V

Not Qualified

4.5 V

13 mA

SN74F260NSR

Texas Instruments

NOR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

2

TTL

5

TR

5

5

SMALL OUTLINE

SOP14,.3

6.5 ns

20 Amp

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.5 V

2 mm

5.3 mm

Not Qualified

4.5 V

9.5 mA

NOT SPECIFIED

NOT SPECIFIED

10.2 mm

F/FAST

SN74AS832AFN-00

Texas Instruments

OR GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

6

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

36 mA

8.9662 mm

AS

DM7407M

Texas Instruments

BUFFER

COMMERCIAL

SOP

RECTANGULAR

6

TTL

1

5

30 ns

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

5.25 V

1.753 mm

3.9 mm

4.75 V

8.6235 mm

74

SN74LS27DG4

Texas Instruments

NOR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3

TTL

3

TUBE

5

5

15 pF

SMALL OUTLINE

SOP14,.25

15 ns

8 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

6.8 mA

e4

30

260

8.65 mm

LS

SN74ALS40AFN-00

Texas Instruments

NAND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

TTL

4

5

50 pF

CHIP CARRIER

7 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

3.9 mA

8.9662 mm

ALS

SN74S02J-00

Texas Instruments

NOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

4

TTL

2

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

45 mA

19.56 mm

S

SN74H20N1

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

2

TTL

4

IN-LINE

DIP14,.3

10 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.25 V

Not Qualified

4.75 V

SN74S135DR

Texas Instruments

XOR/XNOR GATE

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

4

TTL

2

5

15 pF

SMALL OUTLINE

15 ns

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G16

5.25 V

1.75 mm

3.9 mm

Not Qualified

4.75 V

99 mA

COMMON PROGRAMMING INPUT FOR TWO FUNCTIONS

9.9 mm

S

SN7407NSLE

Texas Instruments

BUFFER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

6

TTL

1

5

IN-LINE

26 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

19.305 mm

TTL/H/L

SN74AS1032ADP3

Texas Instruments

OR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

5

5

SMALL OUTLINE

SOP14,.25

6.3 ns

48 Amp

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.5 V

4.5 V

24 mA

NOT SPECIFIED

NOT SPECIFIED

SN74AS32DRG4

Texas Instruments

OR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TR

5

5

SMALL OUTLINE

SOP14,.25

5.8 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

26.6 mA

e4

30

260

8.65 mm

AS

SN74LS27DRG4

Texas Instruments

NOR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3

TTL

3

TR

5

5

15 pF

SMALL OUTLINE

SOP14,.25

15 ns

8 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

6.8 mA

e4

30

260

8.65 mm

LS

SN74ALS09FN3

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

4.5 V

NOT SPECIFIED

NOT SPECIFIED

SN74AS1032ADR

Texas Instruments

OR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TR

5

5

50 pF

SMALL OUTLINE

SOP14,.25

6.3 ns

48 Amp

Gates

1.27 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDSO-G14

5.5 V

1.75 mm

3.9 mm

Not Qualified

4.5 V

24 mA

IOH = 48MA @ VOH = 2V; IOL = 48MA @ VOL = 0.5V

NOT SPECIFIED

NOT SPECIFIED

8.65 mm

AS

SN74L02N-00

Texas Instruments

NOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

50 pF

IN-LINE

60 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

2.6 mA

19.305 mm

TTL/H/L

SN74H22NP1

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

2

TTL

4

IN-LINE

DIP14,.3

15 ns

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDIP-T14

5.25 V

Not Qualified

4.75 V

SN74H40J

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

2

TTL

4

5

5

25 pF

IN-LINE

DIP14,.3

12 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

40 mA

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

TTL/H/L

SN74S05N-00

Texas Instruments

INVERTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

6

TTL

1

5

15 pF

IN-LINE

7 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

54 mA

19.305 mm

S

SN74ALS00N

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

Not Qualified

4.5 V

ALS

SN74ALS35AN

Texas Instruments

BUFFER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

6

TTL

1

TUBE

5

50 pF

IN-LINE

DIP14,.3

14 ns

8 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

6.3 mA

e4

19.305 mm

ALS

SN74LS04NP1

Texas Instruments

INVERTER

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

SN74L00N-00

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

50 pF

IN-LINE

60 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

2.04 mA

19.305 mm

TTL/H/L

SN74ALS8003DP3

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

TTL

5

5

SMALL OUTLINE

SOP8,.25

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G8

NOT SPECIFIED

NOT SPECIFIED

SN74AS34N-10

Texas Instruments

BUFFER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

6

TTL

1

5

50 pF

IN-LINE

6 ns

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.5 V

5.08 mm

7.62 mm

Not Qualified

4.5 V

34.6 mA

19.305 mm

AS

SN74AS00DE4

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

5

5

50 pF

SMALL OUTLINE

SOP14,.25

4 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

17.4 mA

e4

30

260

8.65 mm

AS

SN74ALS15J4

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

3

TTL

3

5

5

IN-LINE

DIP14,.3

54 ns

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-XDIP-T14

5.5 V

4.5 V

SN74ALS34DP3

Texas Instruments

BUFFER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

1

5

SMALL OUTLINE

SOP14,.25

15 ns

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.5 V

4.5 V

5962-01-354-8212

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

TTL

5

5

IN-LINE

DIP20,.3

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T20

Not Qualified

86 mA

NOT SPECIFIED

NOT SPECIFIED

SN74ALS808NP3

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

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-PDIP-T20

5.5 V

4.5 V

SN74F36N3

Texas Instruments

NOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

TTL

IN-LINE

DIP14,.3

20 Amp

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

13 mA

SN7407J-00

Texas Instruments

BUFFER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

6

TTL

1

5

15 pF

IN-LINE

30 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

41 mA

19.56 mm

TTL/H/L

SN74128NSRE4

Texas Instruments

NOR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

5

5

SMALL OUTLINE

SOP14,.3

18 ns

48 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

57 mA

IOL = 48MA @ VOL = 0.4V; IOH = 29MA @ VOH = 2V

e4

30

260

10.2 mm

TTL/H/L

SN74S05D

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

7.5 ns

20 Amp

Gates

1.27 mm

70 Cel

OPEN-COLLECTOR

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

54 mA

e4

NOT SPECIFIED

260

8.65 mm

S

SN74AS10D3

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3

TTL

3

5

5

SMALL OUTLINE

SOP14,.25

4.5 ns

4.5 Amp

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.5 V

4.5 V

13 mA

SN74S133J4

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

NO

1

TTL

13

5

5

IN-LINE

DIP16,.3

7 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T16

5.25 V

4.75 V

NOT SPECIFIED

NOT SPECIFIED

SN7438N-10

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

45 pF

IN-LINE

18 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

54 mA

19.305 mm

TTL/H/L

SN74ALS32NSR

Texas Instruments

OR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TR

5

5

50 pF

SMALL OUTLINE

SOP14,.3

12 ns

8 Amp

Gates

1.27 mm

70 Cel

0 Cel

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

DUAL

R-PDSO-G14

1

5.5 V

2 mm

5.3 mm

Not Qualified

4.5 V

4.9 mA

e4

NOT SPECIFIED

260

10.2 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.