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

SN5407W

Texas Instruments

BUFFER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

6

TTL

1

5

5

50 pF

FLATPACK

FL14,.3

26 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

41 mA

IOL = 30MA @ VOL = 0.7V; IOH = 0.25MA @ VOH = 30V

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

TTL/H/L

SN54L55T-10

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

JM38510/30001SDA

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

4

TTL

MIL-M-38510 Class S

2

5

FLATPACK

15 ns

.4 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

e0

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

LS

SN54LS14W-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

SNJ54ALS12W

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC

NO

YES

3

TTL

38535Q/M;38534H;883B

3

5

FLATPACK

FL14,.3

59 ns

Gates

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

DUAL

R-XDFP-F14

5.5 V

Not Qualified

4.5 V

SN5414W-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

60 mA

9.21 mm

TTL/H/L

SNJ54LS63W-00

Texas Instruments

BUFFER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

6

TTL

1

5

15 pF

FLATPACK

25 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

16 mA

CURRENT-SENSING INTERFACE

9.21 mm

LS

SN54LV08W

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

4

CMOS

2

3.3

FLATPACK

17 ns

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

9.21 mm

LV/LV-A/LVX/H

SNJ54L20T-02

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

SN54LV14AW

Texas Instruments

INVERTER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

6

CMOS

1

2.5

FLATPACK

27 ns

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

2 V

9.21 mm

LV/LV-A/LVX/H

5962-8683801DX

Texas Instruments

NOR GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

3

TTL

MIL-STD-883

3

5

50 pF

FLATPACK

26 ns

4 Amp

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Qualified

4.5 V

4 mA

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

ALS

SN54S05W-00

Texas Instruments

INVERTER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

6

TTL

1

5

15 pF

FLATPACK

7 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

54 mA

9.21 mm

S

SN54LS09W

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

4

TTL

2

5

5

15 pF

FLATPACK

FL14,.3

35 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

8.8 mA

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

LS

SN54LS03W-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

JM38510/00104BDB

Texas Instruments

NAND 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

22 mA

9.21 mm

TTL/H/L

SN54HCT14W

Texas Instruments

INVERTER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

6

CMOS

1

5

50 pF

FLATPACK

48 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

HCT

SN54S51W

Texas Instruments

AND-OR-INVERT GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

2

TTL

4

5

5

15 pF

FLATPACK

FL14,.3

5.5 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

22 mA

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

S

SN54LS22W-10

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

5962-01-077-2845

Texas Instruments

NAND GATE

MILITARY

FLAT

16

DFP

RECTANGULAR

CERAMIC

NO

YES

TTL

MIL-STD-883 Class B (Modified)

5

5

FLATPACK

FL16,.3

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-XDFP-F16

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SNJ54L55T-06

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

SN54L51T-16

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

SN54S134W-00

Texas Instruments

NAND GATE

MILITARY

FLAT

16

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

1

TTL

12

5

15 pF

FLATPACK

7.5 ns

1.27 mm

125 Cel

3-STATE

-55 Cel

DUAL

R-GDFP-F16

5.5 V

2.03 mm

6.73 mm

Not Qualified

4.5 V

25 mA

10.2 mm

S

SNJ5451W

Texas Instruments

AND-OR-INVERT GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

YES

2

TTL

MIL-PRF-38535

4

TUBE

5

5

15 pF

FLATPACK

FL14,.3

22 ns

-.4 Amp

Gate

1.27 mm

125 Cel

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-CDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

14 mA

CENTER PIN VCC AND GND

e0

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

TTL/H/L

5962-9757701QDX

Texas Instruments

NAND GATE

MILITARY

FLAT

14

QFF

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

4

TTL

MIL-PRF-38535 Class Q

2

5

50 pF

FLATPACK

7 ns

20 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

10.2 mA

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

F/FAST

SN5460W

Texas Instruments

AND/NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

2

TTL

4

5

FLATPACK

FL14,.3

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

4 mA

OUTPUTS MEANT TO BE USED AS EXPAND INPUTS OF 5423, 5450 OR 5453; CENTER PIN VCC AND GND

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

TTL/H/L

SNJ54L86T-12

Texas Instruments

XOR GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

4

TTL

2

5

50 pF

FLATPACK

150 ns

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

Not Qualified

4.5 V

6.68 mA

TTL/H/L

SN54L10T-06

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

3

TTL

3

5

50 pF

FLATPACK

60 ns

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

Not Qualified

4.5 V

1.53 mA

TTL/H/L

5962-7602001VDA

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

4

TTL

MIL-STD-883

2

TUBE

5

15 pF

FLATPACK

28 ns

Gate

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

TIN LEAD

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Qualified

4.5 V

4.4 mA

e0

9.21 mm

LS

SNJ54AHC14W

Texas Instruments

INVERTER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

YES

6

CMOS

MIL-PRF-38535

1

TUBE

3.3

2/5.5

50 pF

FLATPACK

FL14,.3

18.5 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

SNJ54LV04AW

Texas Instruments

INVERTER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

6

CMOS

MIL-PRF-38535

1

TUBE

2.5

3.3

50 pF

FLATPACK

FL14,.3

18 ns

6 Amp

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.285 mm

Not Qualified

2 V

9.21 mm

LV/LV-A/LVX/H

SN54H87W-10

Texas Instruments

INVERTER/BUFFER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

4

TTL

1

5

25 pF

FLATPACK

25 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

78 mA

STROBED O/P'S

9.21 mm

TTL/H/L

SN54S09W-10

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

4

TTL

2

5

15 pF

FLATPACK

10 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

57 mA

9.21 mm

S

SNJ54H20W-00

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

2

TTL

4

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

20 mA

9.21 mm

TTL/H/L

SNJ54LS08W-10

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

4

TTL

2

5

15 pF

FLATPACK

20 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

8.8 mA

9.21 mm

LS

SNJ5451W-10

Texas Instruments

AND-OR-INVERT 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

14 mA

9.21 mm

TTL/H/L

5962-9758101QDA

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

3

TTL

MIL-PRF-38535 Class Q

3

TUBE

5

5

50 pF

FLATPACK

FL14,.3

7.5 ns

20 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

9.7 mA

e0

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

F/FAST

SNJ54ALS1034W

Texas Instruments

BUFFER

MILITARY

FLAT

14

DFP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

MIL-PRF-38535

1

5

5

FLATPACK

FL14,.3

13 ns

12 Amp

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-PDFP-F14

5.5 V

2.03 mm

6.285 mm

Not Qualified

4.5 V

14 mA

9.21 mm

ALS

SN54L20T-01

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

SN54LS04W-10

Texas Instruments

INVERTER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

6

TTL

1

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

6.6 mA

9.21 mm

LS

SN54LS86W

Texas Instruments

XOR 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

SN54LS37W-10

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

4

TTL

2

5

45 pF

FLATPACK

24 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

12 mA

9.21 mm

LS

SNJ54L04T-16

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

SN54L04T-00

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

5962-8872901DX

Texas Instruments

INVERTER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

6

TTL

MIL-STD-883

1

5

50 pF

FLATPACK

5 ns

40 Amp

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

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

AS

SNJ54L54T-04

Texas Instruments

AND-OR-INVERT GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

1

TTL

10

5

50 pF

FLATPACK

60 ns

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

Not Qualified

4.5 V

.99 mA

TTL/H/L

5962-9753301VDX

Texas Instruments

NAND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

4

CMOS

MIL-PRF-38535

2

2.7

50 pF

FLATPACK

5.1 ns

24 Amp

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

3.6 V

2.03 mm

6.285 mm

Qualified

2 V

.01 mA

NOT APPLICABLE

NOT APPLICABLE

9.21 mm

LVC/LCX/Z

SNJ5417W

Texas Instruments

BUFFER

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

6

TTL

MIL-PRF-38535

1

TUBE

5

5

50 pF

FLATPACK

FL14,.3

30 ns

30 Amp

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

41 mA

IOL = 30MA @ VOL = 0.7V; IOH = 0.25MA @ VOH = 15V

9.21 mm

TTL/H/L

SNJ54H52W

Texas Instruments

AND-OR GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

1

TTL

38535Q/M;38534H;883B

9

5

25 pF

FLATPACK

FL14,.3

15 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

31 mA

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

NOT SPECIFIED

NOT SPECIFIED

8.725 mm

TTL/H/L

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.