20 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

SNJ54HCT08FK-00

Texas Instruments

AND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

4

CMOS

2

5

50 pF

CHIP CARRIER

35 ns

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

8.89 mm

HCT

SN74ALS1032AFN-00

Texas Instruments

OR GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

4

TTL

2

5

50 pF

CHIP CARRIER

12 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

10.6 mA

8.9662 mm

ALS

SNJ54ACT11030FKR

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

8

5

CHIP CARRIER

9.3 ns

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

8.89 mm

ACT

5962-89547022X

Texas Instruments

AND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

4

CMOS

MIL-STD-883

2

5

50 pF

CHIP CARRIER

10 ns

50 Amp

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Qualified

4.5 V

.04 mA

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

ACT

SNJ54HC805FK

Texas Instruments

NOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

CMOS

38535Q/M;38534H;883B

5

2/6

CHIP CARRIER

LCC20,.35SQ

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

6 V

Not Qualified

2 V

SNJ54ACT11004J

Texas Instruments

INVERTER

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

NO

6

CMOS

38535Q/M;38534H;883B

1

5

5

50 pF

IN-LINE

DIP20,.3

9.3 ns

24 Amp

Gates

2.54 mm

125 Cel

-55 Cel

DUAL

R-XDIP-T20

5.5 V

Not Qualified

4.5 V

NOT SPECIFIED

NOT SPECIFIED

SN74HC36FH4

Texas Instruments

NOR GATE

INDUSTRIAL

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

4

CMOS

2

CHIP CARRIER

LCC20,.35SQ

125 ns

Gates

1.27 mm

85 Cel

-40 Cel

QUAD

S-XQCC-N20

6 V

2 V

SN54ALS8003FH-00

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

TTL

2

5

50 pF

CHIP CARRIER

10 ns

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.54 mm

8.89 mm

Not Qualified

4.5 V

1.5 mA

8.89 mm

ALS

SN74AS832AFN3

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

Gates

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

5.5 V

4.5 V

36 mA

SNJ54HC4078AFK-00

Texas Instruments

OR/NOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

8

5

50 pF

CHIP CARRIER

39 ns

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Not Qualified

2 V

8.89 mm

HC/UH

5962-9679201Q2A

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

1

TTL

MIL-PRF-38535 Class Q

8

5

5

CHIP CARRIER

LCC20,.35SQ

7 ns

20 Amp

Gate

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

10 mA

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

S

SN54HC04FK-00

Texas Instruments

INVERTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

6

CMOS

1

5

50 pF

CHIP CARRIER

29 ns

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Not Qualified

2 V

8.89 mm

HC/UH

5962-9753301Q2A

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

4

CMOS

MIL-PRF-38535 Class Q

2

TUBE

2.7

3.3

50 pF

CHIP CARRIER

LCC20,.35SQ

5.1 ns

24 Amp

Gate

1.27 mm

125 Cel

-55 Cel

TIN LEAD

QUAD

S-CQCC-N20

3.6 V

2.03 mm

8.89 mm

Qualified

2 V

.01 mA

e0

8.89 mm

LVC/LCX/Z

74ACT11004PWR

Texas Instruments

INVERTER

INDUSTRIAL

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

CMOS

1

TR

5

5

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

9.7 ns

24 Amp

Gates

.65 mm

85 Cel

-40 Cel

DUAL

R-PDSO-G20

5.5 V

1.2 mm

4.4 mm

Not Qualified

4.5 V

NOT SPECIFIED

NOT SPECIFIED

6.5 mm

ACT

SN54F30FK

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

1

TTL

8

5

5

50 pF

CHIP CARRIER

LCC20,.35SQ

6 ns

20 Amp

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

4 mA

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

F/FAST

SN74ALS808AN3

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

SN54HC51FK-00

Texas Instruments

AND-OR-INVERT GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

6

5

50 pF

CHIP CARRIER

42 ns

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Not Qualified

2 V

ASYMMETRICAL I/P'S

8.89 mm

HC/UH

JM38510/30003B2A

Texas Instruments

INVERTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

6

TTL

MIL-M-38510

1

5

CHIP CARRIER

15 ns

8 Amp

1.27 mm

125 Cel

-55 Cel

Tin/Lead (Sn/Pb)

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

6.6 mA

e0

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SN74LS08FN

Texas Instruments

AND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

4

TTL

2

5

5

15 pF

CHIP CARRIER

LDCC20,.4SQ

20 ns

Gates

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

5.25 V

4.57 mm

8.9662 mm

Not Qualified

4.75 V

8.8 mA

NOT SPECIFIED

NOT SPECIFIED

8.9662 mm

LS

5962-87611012X

Texas Instruments

AND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

3

CMOS

MIL-STD-883

3

3.3

50 pF

CHIP CARRIER

11 ns

24 Amp

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Qualified

2 V

.08 mA

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

AC

SNJ54AS808W

Texas Instruments

AND GATE

MILITARY

FLAT

20

DFP

RECTANGULAR

CERAMIC

NO

YES

6

TTL

38535Q/M;38534H;883B

2

5

5

FLATPACK

FL20,.3

6.5 ns

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-XDFP-F20

5.5 V

Not Qualified

4.5 V

86 mA

SN54ALS32FH

Texas Instruments

OR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

4

TTL

2

5

5

CHIP CARRIER

LCC20,.35SQ

16 ns

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

5.5 V

Not Qualified

4.5 V

NOT SPECIFIED

NOT SPECIFIED

SN54LS03FK

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

4

TTL

2

5

5

15 pF

CHIP CARRIER

LCC20,.35SQ

28 ns

4 Amp

Gates

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

4.4 mA

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SN74AS800FN3

Texas Instruments

AND/NAND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

TTL

CHIP CARRIER

LDCC20,.4SQ

Gates

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

NOT SPECIFIED

NOT SPECIFIED

SN54HC804FK

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

6

CMOS

2

5

2/6

150 pF

CHIP CARRIER

LCC20,.35SQ

56 ns

6 Amp

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Not Qualified

2 V

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

HC/UH

JM38510/65201

Texas Instruments

OR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

4

CMOS

MIL-M-38510 Class B

2

5

CHIP CARRIER

150 ns

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Not Qualified

2 V

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

HC/UH

SNJ54AS804W

Texas Instruments

NAND GATE

MILITARY

FLAT

20

DFP

RECTANGULAR

CERAMIC

NO

YES

6

TTL

38535Q/M;38534H;883B

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

SNJ54AC11002FK

Texas Instruments

NOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

CMOS

38535Q/M;38534H;883B

3.3/5

50 pF

CHIP CARRIER

LCC20,.35SQ

24 Amp

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

74ACT11004PWLE

Texas Instruments

INVERTER

INDUSTRIAL

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

CMOS

1

TR

5

5

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

9.7 ns

24 Amp

Gates

.65 mm

85 Cel

-40 Cel

DUAL

R-PDSO-G20

5.5 V

1.2 mm

4.4 mm

Not Qualified

4.5 V

NOT SPECIFIED

NOT SPECIFIED

6.5 mm

ACT

SNJ54ALS15FH

Texas Instruments

AND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

3

TTL

38535Q/M;38534H;883B

3

5

5

CHIP CARRIER

LCC20,.35SQ

59 ns

Gates

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

QUAD

S-XQCC-N20

5.5 V

Not Qualified

4.5 V

SN54ALS04FH

Texas Instruments

INVERTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

6

TTL

1

5

5

CHIP CARRIER

LCC20,.35SQ

14 ns

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

5.5 V

Not Qualified

4.5 V

SN54S32FK

Texas Instruments

OR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

4

TTL

2

5

5

15 pF

CHIP CARRIER

LCC20,.35SQ

7 ns

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

68 mA

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

S

SNJ54LS13FK

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

YES

2

TTL

38535Q/M;38534H;883B

4

5

5

15 pF

CHIP CARRIER

LCC20,.35SQ

27 ns

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

7 mA

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SN54ALS808J-00

Texas Instruments

AND GATE

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

6

TTL

2

5

50 pF

IN-LINE

10 ns

2.54 mm

125 Cel

-55 Cel

DUAL

R-GDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

4.5 V

16 mA

24.195 mm

ALS

SNJ54HC10FK-00

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

3

CMOS

3

5

50 pF

CHIP CARRIER

29 ns

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Not Qualified

2 V

8.89 mm

HC/UH

SNJ54AS1804J

Texas Instruments

NAND GATE

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

6

TTL

38535Q/M;38534H;883B

2

5

5

50 pF

IN-LINE

DIP20,.3

5 ns

40 Amp

Gates

2.54 mm

125 Cel

-55 Cel

DUAL

R-GDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

4.5 V

27 mA

IOH = 40MA @ VOH = 2V; IOL = 40MA @ VOL = 0.5V

NOT SPECIFIED

NOT SPECIFIED

24.195 mm

AS

SN54ALS811FK

Texas Instruments

XNOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

4

TTL

2

5

50 pF

CHIP CARRIER

LCC20,.35SQ

60 ns

Gates

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

7.5 mA

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

ALS

SN54ALS1020AFKR

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

TTL

4

5

50 pF

CHIP CARRIER

10 ns

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

3.9 mA

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

8.89 mm

ALS

JM38510/30501

Texas Instruments

OR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

4

TTL

2

5

CHIP CARRIER

35 ns

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

5.5 V

1.9 mm

8.885 mm

Not Qualified

4.5 V

8.885 mm

LS

SN74S04FN

Texas Instruments

INVERTER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

6

TTL

1

5

5

15 pF

CHIP CARRIER

LDCC20,.4SQ

5 ns

Gates

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

5.25 V

4.57 mm

8.9662 mm

Not Qualified

4.75 V

54 mA

NOT SPECIFIED

NOT SPECIFIED

8.9662 mm

S

SNJ54LS15FK

Texas Instruments

AND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

3

TTL

38535Q/M;38534H;883B

3

5

5

15 pF

CHIP CARRIER

LCC20,.35SQ

35 ns

Gates

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

6.6 mA

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SN54AC00FK

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

4

CMOS

2

5

50 pF

CHIP CARRIER

7 ns

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Not Qualified

2 V

8.89 mm

AC

SN74ALS805J

Texas Instruments

NOR GATE

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

NO

TTL

IN-LINE

DIP20,.3

24 Amp

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T20

Not Qualified

SN74HC808DW-00

Texas Instruments

AND GATE

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

6

CMOS

2

5

50 pF

SMALL OUTLINE

25 ns

1.27 mm

85 Cel

-40 Cel

DUAL

R-PDSO-G20

6 V

2.65 mm

7.5 mm

Not Qualified

2 V

12.8 mm

HC/UH

SNJ54ALS04AFK

Texas Instruments

INVERTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

TTL

38535Q/M;38534H;883B

5

5

CHIP CARRIER

LCC20,.35SQ

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SN54HC30FK

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

1

CMOS

8

5

2/6

50 pF

CHIP CARRIER

LCC20,.35SQ

195 ns

5.2 Amp

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

6 V

Not Qualified

2 V

SN54ALS28FH

Texas Instruments

NOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

4

TTL

2

5

5

CHIP CARRIER

LCC20,.35SQ

16 ns

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

5.5 V

Not Qualified

4.5 V

NOT SPECIFIED

NOT SPECIFIED

SN74HC05FN3

Texas Instruments

INVERTER

INDUSTRIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

6

CMOS

1

5

2/6

CHIP CARRIER

LDCC20,.4SQ

145 ns

Gates

1.27 mm

85 Cel

OPEN-DRAIN

-40 Cel

QUAD

S-PQCC-J20

6 V

2 V

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.