FLAT 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

SN54S10W-10

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

3

TTL

3

5

15 pF

FLATPACK

5 ns

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

27 mA

9.21 mm

S

SNJ54AHC05W

Texas Instruments

INVERTER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

6

CMOS

MIL-PRF-38535

1

3.3

2/5.5

50 pF

FLATPACK

FL14,.25

12 ns

8 Amp

Gates

1.27 mm

125 Cel

OPEN-DRAIN

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.285 mm

Not Qualified

2 V

9.21 mm

AHC/VHC/H/U/V

SN54L54T

Texas Instruments

AND-OR-INVERT GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

METAL

NO

YES

TTL

FLATPACK

FL14,.3

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-MDFP-F14

Not Qualified

5962-8973401DA

Texas Instruments

INVERTER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

6

CMOS

MIL-STD-883

1

TUBE

5

5

50 pF

FLATPACK

FL14,.3

9 ns

24 Amp

Gate

1.27 mm

125 Cel

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.285 mm

Qualified

4.5 V

.02 mA

e0

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

ACT

5962-8687201DX

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

UNSPECIFIED

YES

4

TTL

MIL-STD-883

2

5

FLATPACK

15 ns

125 Cel

OPEN-COLLECTOR

-55 Cel

TIN LEAD

DUAL

R-XDFP-F14

5.5 V

Not Qualified

4.5 V

e0

F/FAST

SN5416W-00

Texas Instruments

INVERTER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

6

TTL

1

5

15 pF

FLATPACK

23 ns

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

51 mA

9.21 mm

TTL/H/L

SNJ54AHCT00W

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

4

CMOS

2

TUBE

5

5

50 pF

FLATPACK

FL14,.3

9 ns

8 Amp

Gate

1.27 mm

125 Cel

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.285 mm

Not Qualified

4.5 V

.02 mA

e0

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

AHCT/VHCT/VT

SNJ54AHC02W

Texas Instruments

NOR GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

4

CMOS

MIL-PRF-38535

2

TUBE

3.3

2/5.5

50 pF

FLATPACK

FL14,.3

13 ns

50 Amp

Gates

1.27 mm

125 Cel

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.285 mm

Not Qualified

2 V

.02 mA

e0

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

AHC/VHC/H/U/V

SN74AUP1G57DRLR

Texas Instruments

MAJORITY LOGIC GATE

INDUSTRIAL

FLAT

6

VSOF

RECTANGULAR

PLASTIC/EPOXY

YES

YES

1

CMOS

3

TR

1.2

1.2/3.3

30 pF

SMALL OUTLINE, VERY THIN PROFILE

FL6,.047,20

26.5 ns

4 Amp

Gates

.5 mm

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD SILVER

DUAL

R-PDSO-F6

1

3.6 V

.6 mm

1.2 mm

Not Qualified

.8 V

.0009 mA

e4

30

260

1.6 mm

AUP/ULP/V

SN54L51T-06

Texas Instruments

AND-OR-INVERT GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

2

TTL

6

5

50 pF

FLATPACK

60 ns

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

Not Qualified

4.5 V

1.3 mA

ASYMMETRICAL I/P'S

TTL/H/L

SNJ54L04T-02

Texas Instruments

INVERTER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

6

TTL

1

5

50 pF

FLATPACK

60 ns

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

Not Qualified

4.5 V

3.06 mA

TTL/H/L

SN54H50W

Texas Instruments

AND-OR-INVERT GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

2

TTL

4

5

25 pF

FLATPACK

FL14,.3

11 ns

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

24 mA

2 EXPAND INPUTS FOR 1 FUNCTION; CENTER PIN VCC AND GND

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

TTL/H/L

SNJ54L02T-17

Texas Instruments

NOR GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

4

TTL

2

5

50 pF

FLATPACK

60 ns

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

Not Qualified

4.5 V

2.6 mA

TTL/H/L

SNJ54LV86AW

Texas Instruments

XOR GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

4

CMOS

MIL-PRF-38535

2

TUBE

2.5

3.3

50 pF

FLATPACK

FL14,.25

26.5 ns

6 Amp

Gates

1.27 mm

125 Cel

-55 Cel

TIN LEAD

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.285 mm

Not Qualified

2 V

e0

9.21 mm

LV/LV-A/LVX/H

5962-9753301QDA

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

4

CMOS

MIL-PRF-38535 Class Q

2

TUBE

2.7

3.3

50 pF

FLATPACK

FL14,.3

5.1 ns

24 Amp

Gate

1.27 mm

125 Cel

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-GDFP-F14

3.6 V

2.03 mm

6.285 mm

Qualified

2 V

.01 mA

e0

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

LVC/LCX/Z

SNJ54H11W-00

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

3

TTL

3

5

25 pF

FLATPACK

12 ns

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

48 mA

9.21 mm

TTL/H/L

SNJ54L51T-17

Texas Instruments

AND-OR-INVERT GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

2

TTL

6

5

50 pF

FLATPACK

60 ns

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

Not Qualified

4.5 V

1.3 mA

ASYMMETRICAL I/P'S

TTL/H/L

SN54ALS00W

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC

NO

YES

4

TTL

2

5

5

FLATPACK

FL14,.3

16 ns

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-XDFP-F14

5.5 V

Not Qualified

4.5 V

SN54LS15W

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

YES

3

TTL

3

5

5

15 pF

FLATPACK

FL14,.3

35 ns

Gates

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

DUAL

R-CDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

6.6 mA

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

LS

SNJ54H51W-00

Texas Instruments

AND-OR-INVERT GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

2

TTL

4

5

25 pF

FLATPACK

11 ns

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

24 mA

9.21 mm

TTL/H/L

SNJ54L04W

Texas Instruments

INVERTER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC

NO

YES

6

TTL

38535Q/M;38534H;883B

1

5

5

FLATPACK

FL14,.3

10 ns

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-XDFP-F14

5.5 V

Not Qualified

4.5 V

SNJ54H51W-10

Texas Instruments

AND-OR-INVERT GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

2

TTL

4

5

25 pF

FLATPACK

11 ns

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

24 mA

9.21 mm

TTL/H/L

SNJ54LS26W-10

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

4

TTL

2

5

15 pF

FLATPACK

28 ns

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

4.4 mA

9.21 mm

LS

SN54AHCT132W

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

4

CMOS

2

5

FLATPACK

8 ns

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

9.21 mm

AHCT/VHCT

SNJ54ALS01W

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC

NO

YES

TTL

38535Q/M;38534H;883B

FLATPACK

FL14,.3

Gates

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

DUAL

R-XDFP-F14

Not Qualified

SN54L55T-07

Texas Instruments

AND-OR-INVERT GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

1

TTL

8

5

50 pF

FLATPACK

60 ns

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

Not Qualified

4.5 V

.65 mA

EXPANDABLE

TTL/H/L

SNJ54L54W

Texas Instruments

AND-OR-INVERT GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC

NO

YES

1

TTL

38535Q/M;38534H;883B

10

5

FLATPACK

FL14,.3

90 ns

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-XDFP-F14

5.25 V

Not Qualified

4.75 V

SNJ54S64W

Texas Instruments

AND-OR-INVERT GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

YES

1

TTL

MIL-PRF-38535

11

5

5

15 pF

FLATPACK

FL14,.3

5.5 ns

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-CDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

16 mA

4-2-3-2 INPUT

9.21 mm

S

SNJ54S140W

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

2

TTL

MIL-PRF-38535

4

TUBE

5

5

50 pF

FLATPACK

FL14,.3

6.5 ns

40 Amp

Gates

1.27 mm

125 Cel

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.285 mm

Not Qualified

4.5 V

44 mA

IOL = 60MA @ VOL = 0.5V; IOH = 3MA @ VOH = 2.5V

e0

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

S

JM38510/01602BDA

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

4

TTL

2

5

15 pF

FLATPACK

24 ns

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

33 mA

9.21 mm

TTL/H/L

SN54L20T

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

METAL

NO

YES

2

TTL

4

FLATPACK

FL14,.3

60 ns

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-MDFP-F14

5.5 V

Not Qualified

4.5 V

SNJ54L51W

Texas Instruments

AND-OR-INVERT GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC

NO

YES

TTL

38535Q/M;38534H;883B

FLATPACK

FL14,.3

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-XDFP-F14

Not Qualified

5962-7602001VDX

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

4

TTL

MIL-STD-883

2

5

FLATPACK

28 ns

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Qualified

4.5 V

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

LS

SN5460W-10

Texas Instruments

AND/NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

2

TTL

4

5

FLATPACK

22 ns

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

4 mA

9.21 mm

TTL/H/L

SN54LS22W-00

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

2

TTL

4

5

15 pF

FLATPACK

28 ns

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

2.2 mA

9.21 mm

LS

JM38510/16201BDB

Texas Instruments

NOR GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

4

TTL

2

5

150 pF

FLATPACK

18 ns

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

57 mA

9.21 mm

TTL/H/L

SNJ5402W-00

Texas Instruments

NOR GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

4

TTL

2

5

15 pF

FLATPACK

15 ns

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

27 mA

9.21 mm

TTL/H/L

SN5420W

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

2

TTL

4

5

5

15 pF

FLATPACK

FL14,.3

22 ns

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

11 mA

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

TTL/H/L

5962-8409101VDA

Texas Instruments

INVERTER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

YES

6

CMOS

MIL-PRF-38535 Class V

1

TUBE

5

2/6

50 pF

FLATPACK

FL14,.3

190 ns

4 Amp

Gate

1.27 mm

125 Cel

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-GDFP-F14

6 V

2.03 mm

6.285 mm

Qualified

2 V

.02 mA

e0

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

HC/UH

SN54L30T-12

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

1

TTL

8

5

50 pF

FLATPACK

100 ns

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

Not Qualified

4.5 V

.51 mA

TTL/H/L

SNJ54S20W-00

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

2

TTL

4

5

FLATPACK

22 ns

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

18 mA

9.21 mm

S

SN54S436W

Texas Instruments

INVERTER

MILITARY

FLAT

16

DFP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

YES

6

TTL

1

5

500 pF

FLATPACK

16 ns

1.27 mm

125 Cel

SERIES-RESISTOR

-55 Cel

DUAL

R-CDFP-F16

5.5 V

2.03 mm

6.73 mm

Not Qualified

4.5 V

60 mA

LINE/MEMORY DRIVER; STROBED O/PS

10.2 mm

S

SN5417W-10

Texas Instruments

BUFFER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

6

TTL

1

5

15 pF

FLATPACK

30 ns

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

41 mA

9.21 mm

TTL/H/L

SNJ54L00T-15

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

4

TTL

2

5

50 pF

FLATPACK

60 ns

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

Not Qualified

4.5 V

2.04 mA

TTL/H/L

SNJ54LS386AW

Texas Instruments

XOR GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

YES

4

TTL

38535Q/M;38534H;883B

2

5

5

15 pF

FLATPACK

FL14,.3

22 ns

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-CDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

10 mA

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

LS

SN54H53W-10

Texas Instruments

AND-OR-INVERT GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

1

TTL

9

5

25 pF

FLATPACK

11 ns

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

14 mA

EXPANDABLE

9.21 mm

TTL/H/L

SN5422W-00

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

2

TTL

4

5

15 pF

FLATPACK

15 ns

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

11 mA

9.21 mm

TTL/H/L

5962-01-193-6022

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC

NO

YES

TTL

5

5

FLATPACK

FL14,.3

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-XDFP-F14

Not Qualified

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.