FLAT 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

5962-00-001-7447

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC

NO

YES

TTL

5

5

FLATPACK

FL14,.3

16 Amp

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-XDFP-F14

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN54AS804W

Texas Instruments

NAND GATE

MILITARY

FLAT

20

DFP

RECTANGULAR

CERAMIC

NO

YES

6

TTL

2

5

5

FLATPACK

FL20,.3

5 ns

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-XDFP-F20

5.5 V

Not Qualified

4.5 V

63 mA

SN5417W-00

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

5962-8403801VDA

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

3

CMOS

MIL-PRF-38535 Class V

3

5

2/6

50 pF

FLATPACK

FL14,.3

145 ns

4 Amp

Gate

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

6 V

2.03 mm

6.285 mm

Not Qualified

2 V

9.21 mm

HC/UH

SNJ54LV04W

Texas Instruments

INVERTER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

6

CMOS

38535Q/M;38534H;883B

1

3.3

3.3

50 pF

FLATPACK

FL14,.3

15 ns

6 Amp

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

2.7 V

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

LV/LV-A/LVX/H

SN54H15W-00

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

3

TTL

3

5

25 pF

FLATPACK

13 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

48 mA

9.21 mm

TTL/H/L

SNJ54AS805W

Texas Instruments

NOR GATE

MILITARY

FLAT

20

DFP

RECTANGULAR

CERAMIC

NO

YES

6

TTL

38535Q/M;38534H;883B

2

5

5

FLATPACK

FL20,.3

4.8 ns

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-XDFP-F20

5.5 V

Not Qualified

4.5 V

76 mA

SN54H53W

Texas Instruments

AND-OR-INVERT GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

1

TTL

9

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

14 mA

2-2-3-2 INPUT; WITH 2 EXPAND INPUTS; CENTER PIN VCC AND GND

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

TTL/H/L

SNJ54LS10W

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

3

TTL

MIL-PRF-38535

3

TUBE

5

5

15 pF

FLATPACK

FL14,.3

15 ns

1 Amp

Gates

1.27 mm

125 Cel

-55 Cel

TIN LEAD

DUAL

R-GDFP-F14

5.5 V

2.03 mm

5.97 mm

Not Qualified

4.5 V

3.3 mA

e0

9.21 mm

LS

SNJ54S86W-00

Texas Instruments

XOR GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

4

TTL

2

5

15 pF

FLATPACK

10 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

75 mA

9.21 mm

S

SN54ACT14WR

Texas Instruments

INVERTER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

6

CMOS

1

5

50 pF

FLATPACK

14 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

ACT

SNJ54L20T-11

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

2

TTL

4

5

50 pF

FLATPACK

60 ns

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

Not Qualified

4.5 V

1.02 mA

TTL/H/L

5962-00-454-8227

Texas Instruments

INVERTER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC

NO

YES

TTL

38535Q/M;38534H;883B

5

5

15 pF

FLATPACK

FL14,.25

16 Amp

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-XDFP-F14

Not Qualified

33 mA

NOT SPECIFIED

NOT SPECIFIED

SN54S51W-00

Texas Instruments

AND-OR-INVERT GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

2

TTL

4

5

15 pF

FLATPACK

5.5 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

22 mA

9.21 mm

S

SNJ54AHC32W

Texas Instruments

OR 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

Gate

1.27 mm

125 Cel

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

2 V

.02 mA

e0

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

AHC/VHC/H/U/V

SN5453W-10

Texas Instruments

AND-OR-INVERT GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

1

TTL

8

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

9.5 mA

EXPANDABLE

9.21 mm

TTL/H/L

SN54L51T-05

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

JM38510/07005BDA

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

3

TTL

MIL-PRF-38535 Class B

3

TUBE

5

15 pF

FLATPACK

5 ns

.4 Amp

1.27 mm

125 Cel

-55 Cel

TIN LEAD

DUAL

R-GDFP-F14

5.5 V

2.03 mm

5.97 mm

Not Qualified

4.5 V

9 mA

e0

9.21 mm

S

SNJ54H04W-00

Texas Instruments

INVERTER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

6

TTL

1

5

25 pF

FLATPACK

10 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

58 mA

9.21 mm

TTL/H/L

SNJ54LS14W-00

Texas Instruments

INVERTER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

6

TTL

1

5

15 pF

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

21 mA

9.21 mm

LS

5962-8973401VDX

Texas Instruments

INVERTER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

6

CMOS

MIL-STD-883

1

5

50 pF

FLATPACK

9 ns

50 Amp

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.285 mm

Qualified

4.5 V

.08 mA

NOT APPLICABLE

NOT APPLICABLE

9.21 mm

ACT

SNJ54H87W

Texas Instruments

INVERTER/BUFFER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

4

TTL

38535Q/M;38534H;883B

1

5

5

25 pF

FLATPACK

FL14,.3

19 ns

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.35 mm

Not Qualified

4.5 V

78 mA

STROBED O/PS

NOT SPECIFIED

NOT SPECIFIED

8.725 mm

TTL/H/L

SN54L55T-14

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

SNJ54L00T-12

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

SN54LS37W

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

4

TTL

38535Q/M;38534H;883B

2

5

5

45 pF

FLATPACK

FL14,.3

24 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

12 mA

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

LS

5962-8862101DA

Texas Instruments

XOR GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

4

TTL

MIL-PRF-38535

2

TUBE

5

5

50 pF

FLATPACK

FL14,.3

22 ns

2 Amp

Gate

1.27 mm

125 Cel

-55 Cel

TIN LEAD

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.285 mm

Qualified

4.5 V

5.9 mA

e0

9.21 mm

ALS

JM38510/00103BDA

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

3

TTL

MIL-PRF-38535 Class B

3

5

15 pF

FLATPACK

22 ns

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.285 mm

Not Qualified

4.5 V

16.5 mA

9.21 mm

TTL/H/L

SN54L55T-15

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

SNJ5403W

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

4

TTL

38535Q/M;38534H;883B

2

5

5

15 pF

FLATPACK

FL14,.3

15 ns

Gates

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

22 mA

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

TTL/H/L

SNJ54L30T-06

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

SNJ5423W-10

Texas Instruments

NOR GATE

MILITARY

FLAT

16

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

2

TTL

4

5

15 pF

FLATPACK

15 ns

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F16

5.5 V

2.03 mm

6.73 mm

Not Qualified

4.5 V

19 mA

STROBED O/P'S

10.2 mm

TTL/H/L

SNJ54L20T-00

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

2

TTL

4

5

50 pF

FLATPACK

60 ns

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

Not Qualified

4.5 V

1.02 mA

TTL/H/L

SN54L51T-10

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

SNJ54LS01W-00

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

JM38510/31004BDA

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

4

TTL

MIL-M-38510 Class B

2

TUBE

5

15 pF

FLATPACK

20 ns

16 Amp

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

8.8 mA

e0

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

LS

SN54LS20W-10

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

-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

SNJ54S20W

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

2

TTL

MIL-PRF-38535

4

TUBE

5

5

15 pF

FLATPACK

FL14,.3

5 ns

.4 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

18 mA

e0

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

S

SN54LS21W

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

YES

2

TTL

4

5

5

15 pF

FLATPACK

FL14,.3

20 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

4.4 mA

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

LS

SN54L02T-12

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

SNJ54H62W-10

Texas Instruments

AND-OR/AND-OR-INVERT GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

1

TTL

10

5

FLATPACK

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

9 mA

9.21 mm

TTL/H/L

SNJ54L30T-07

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

SN54LS32W-10

Texas Instruments

OR GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

4

TTL

2

5

15 pF

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

9.8 mA

9.21 mm

LS

SN54LVC02AW

Texas Instruments

NOR GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

4

CMOS

38535Q/M;38534H;883B

2

2.7

3.3

50 pF

FLATPACK

FL14,.25

5.4 ns

24 Amp

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

3.6 V

2.03 mm

6.29 mm

Not Qualified

2 V

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

LVC/LCX/Z

SNJ54H51W

Texas Instruments

AND-OR-INVERT GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

2

TTL

38535Q/M;38534H;883B

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

6.35 mm

Not Qualified

4.5 V

24 mA

CENTER PIN VCC AND GND

NOT SPECIFIED

NOT SPECIFIED

8.725 mm

TTL/H/L

DM54L00W

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

4

TTL

2

5

FLATPACK

60 ns

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.032 mm

6.2865 mm

4.5 V

LG_MAX

9.779 mm

TTL/H/L

SNJ54HC27W

Texas Instruments

NOR GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

3

CMOS

MIL-PRF-38535

3

TUBE

5

2/6

50 pF

FLATPACK

FL14,.3

135 ns

4 Amp

Gates

1.27 mm

125 Cel

-55 Cel

TIN LEAD

DUAL

R-GDFP-F14

6 V

2.03 mm

5.97 mm

Not Qualified

2 V

.04 mA

e0

9.21 mm

HC

SNJ54L01T

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

METAL

NO

YES

4

TTL

38535Q/M;38534H;883B

2

FLATPACK

FL14,.3

90 ns

Gates

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

DUAL

R-MDFP-F14

5.5 V

Not Qualified

4.5 V

NOT SPECIFIED

NOT SPECIFIED

5962-9681701QDA

Texas Instruments

XOR GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

4

CMOS

MIL-PRF-38535 Class Q

2

5

5

50 pF

FLATPACK

FL14,.3

10 ns

8 Amp

Gate

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.285 mm

Not Qualified

4.5 V

9.21 mm

AHCT/VHCT/VT

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.