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

SN74AS1004AN3

Texas Instruments

INVERTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

6

CMOS

1

5

5

50 pF

IN-LINE

DIP14,.3

4 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.5 V

5.08 mm

6.35 mm

Not Qualified

4.5 V

27 mA

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

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

ALS

5962-01-040-7665

Texas Instruments

INVERTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

YES

NO

TTL

5

5

IN-LINE

DIP14,.3

8 Amp

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

Not Qualified

21 mA

NOT SPECIFIED

NOT SPECIFIED

SN7404DRG4

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

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

33 mA

e4

30

260

8.65 mm

TTL/H/L

SN74S65FN3

Texas Instruments

AND-OR-INVERT GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

1

TTL

11

CHIP CARRIER

LDCC20,.4SQ

8.5 ns

Gates

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

QUAD

S-PQCC-J20

5.25 V

4.75 V

NOT SPECIFIED

NOT SPECIFIED

SN74ALS32FN

Texas Instruments

OR GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

4

TTL

2

5

5

CHIP CARRIER

LDCC20,.4SQ

14 ns

Gates

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

5.5 V

Not Qualified

4.5 V

NOT SPECIFIED

NOT SPECIFIED

SN74ALS35N-10

Texas Instruments

BUFFER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

6

TTL

1

5

IN-LINE

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

19.305 mm

ALS

SN74S09NE4

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

TUBE

5

5

15 pF

IN-LINE

DIP14,.3

10 ns

20 Amp

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

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

57 mA

e4

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

S

SN74ALS1032AJP4

Texas Instruments

OR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

12 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

5.5 V

4.5 V

SN74AS832BDW3

Texas Instruments

OR GATE

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

2

5

5

SMALL OUTLINE

SOP20,.4

6.3 ns

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G20

5.5 V

4.5 V

36 mA

SN74ALS805-1FN3

Texas Instruments

NOR GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

TTL

CHIP CARRIER

LDCC20,.4SQ

48 Amp

Gates

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

SN74ALS1020J4

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

0 Cel

DUAL

R-XDIP-T14

SN74AS1034AD

Texas Instruments

BUFFER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

1

TUBE

5

5

50 pF

SMALL OUTLINE

SOP14,.25

6 ns

48 Amp

Gates

1.27 mm

70 Cel

0 Cel

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

DUAL

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

4.5 V

35 mA

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

e4

NOT SPECIFIED

260

8.65 mm

AS

SN74AS1000AD

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TUBE

5

5

50 pF

SMALL OUTLINE

SOP14,.25

4 ns

48 Amp

Gates

1.27 mm

70 Cel

0 Cel

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

DUAL

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

4.5 V

19 mA

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

e4

NOT SPECIFIED

260

8.65 mm

AS

SN74LS03N3

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

28 ns

8 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

4.4 mA

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

LS

SN74LS40NP1

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

2

TTL

4

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

SN74ALS810J4

Texas Instruments

XNOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

TTL

IN-LINE

DIP14,.3

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

SN74S00DRE4

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

5 ns

20 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

36 mA

NOT SPECIFIED

NOT SPECIFIED

8.65 mm

S

SN74AS808BDW3

Texas Instruments

AND GATE

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

2

5

5

SMALL OUTLINE

SOP20,.4

6.5 ns

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G20

5.5 V

4.5 V

33 mA

SN74S140D

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

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

SN74ALS28ANP3

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 SPECIFIED

NOT SPECIFIED

DM7416J

Texas Instruments

INVERTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

6

TTL

1

5

IN-LINE

23 ns

70 Cel

OPEN-COLLECTOR

0 Cel

TIN LEAD

DUAL

R-PDIP-T14

5.25 V

4.75 V

e0

TTL/H/L

SN74ALS1020AN

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

2

TTL

4

5

5

50 pF

IN-LINE

DIP14,.3

8 ns

Gates

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

3.9 mA

IOH = 1MA @ VOH = 2.4V; IOL = 12MA @ VOL = 0.4V

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

ALS

SN74AS1000J

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

4 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

5.5 V

Not Qualified

4.5 V

5962-00-132-8453

Texas Instruments

BUFFER

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

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74S135NP3

Texas Instruments

XOR/XNOR GATE

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

3

5

5

IN-LINE

DIP16,.3

14.5 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

5.5 V

4.5 V

NOT SPECIFIED

NOT SPECIFIED

SN74S00NSRE4

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

SN74ALS38AN3

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

5

5

50 pF

IN-LINE

DIP14,.3

12 ns

Gates

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

7.8 mA

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

ALS

SN74ALS12N3

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

TTL

IN-LINE

DIP14,.3

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDIP-T14

SN74ALS37ANSRE4

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TR

5

5

SMALL OUTLINE

SOP14,.3

8 ns

24 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

7.8 mA

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

NOT SPECIFIED

NOT SPECIFIED

10.2 mm

ALS

SN74ALS02ANSRG4

Texas Instruments

NOR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TR

5

5

SMALL OUTLINE

SOP14,.3

12 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

4 mA

e4

30

260

10.2 mm

ALS

SN74AS805BNP3

Texas Instruments

NOR GATE

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

6

TTL

2

5

5

IN-LINE

DIP20,.3

4.3 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T20

5.5 V

4.5 V

32 mA

SN74LS33JP4

Texas Instruments

NOR 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

SN74AS34D

Texas Instruments

BUFFER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

1

5

5

50 pF

SMALL OUTLINE

SOP14,.25

6 ns

20 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

34.6 mA

NOT SPECIFIED

NOT SPECIFIED

8.65 mm

AS

SN74ALS38ADP3

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

5

5

SMALL OUTLINE

SOP14,.25

33 ns

24 Amp

Gates

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDSO-G14

5.5 V

4.5 V

7.8 mA

SN74ALS02ANSR

Texas Instruments

NOR 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 mA

e4

NOT SPECIFIED

260

10.2 mm

ALS

SN74AS1004FN-00

Texas Instruments

INVERTER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

6

TTL

1

5

50 pF

CHIP CARRIER

3.5 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

28 mA

8.9662 mm

AS

SN74LS09N-10

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

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

8.8 mA

19.305 mm

LS

SN74S30FN3

Texas Instruments

NAND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

1

TTL

8

5

5

CHIP CARRIER

LDCC20,.4SQ

7 ns

Gates

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

5.25 V

4.75 V

SN7454J4

Texas Instruments

AND-OR-INVERT GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

TTL

IN-LINE

DIP14,.3

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

SN74ALS11FN-00

Texas Instruments

AND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

3

TTL

3

5

50 pF

CHIP CARRIER

10 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 mA

8.9662 mm

ALS

SN74L10J-00

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

3

TTL

3

5

50 pF

IN-LINE

60 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

1.53 mA

19.56 mm

TTL/H/L

SN74ALS04BDR

Texas Instruments

INVERTER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

1

TR

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 (Ni/Pd/Au)

DUAL

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

4.5 V

4.2 mA

e4

NOT SPECIFIED

260

8.65 mm

ALS

SN74H01NP1

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

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

SN74LS20NSRG4

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

2

TTL

4

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

2.2 mA

e4

30

260

10.2 mm

LS

SN74ALS03BDE4

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TUBE

5

5

50 pF

SMALL OUTLINE

SOP14,.25

50 ns

8 Amp

Gates

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

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

DUAL

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

4.5 V

4 mA

e4

NOT SPECIFIED

260

8.65 mm

ALS

SN74LS15FN3

Texas Instruments

AND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

3

TTL

3

5

5

CHIP CARRIER

LDCC20,.4SQ

35 ns

Gates

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

QUAD

S-PQCC-J20

5.25 V

4.75 V

SN74ALS11AFN3

Texas Instruments

AND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

3

TTL

3

5

5

CHIP CARRIER

LDCC20,.4SQ

13 ns

Gates

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

5.5 V

4.5 V

SN74LS20NSRE4

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

2

TTL

4

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

2.2 mA

e4

30

260

10.2 mm

LS

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.