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

SN74S05FN

Texas Instruments

INVERTER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

6

TTL

1

5

5

15 pF

CHIP CARRIER

LDCC20,.4SQ

7 ns

Gates

1.27 mm

70 Cel

OPEN-COLLECTOR

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

SNJ54LV86AFK

Texas Instruments

XOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

4

CMOS

MIL-PRF-38535

2

TUBE

2.5

3.3

50 pF

CHIP CARRIER

LCC20,.35SQ

26.5 ns

6 Amp

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

2 V

8.89 mm

LV/LV-A/LVX/H

5962-89734012A

Texas Instruments

INVERTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

6

CMOS

MIL-STD-883

1

TUBE

5

5

50 pF

CHIP CARRIER

LCC20,.35SQ

9 ns

24 Amp

Gate

1.27 mm

125 Cel

-55 Cel

Tin/Lead (Sn/Pb)

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Qualified

4.5 V

.02 mA

e0

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

ACT

SN54HC266FH

Texas Instruments

XNOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

4

CMOS

2

5

2/6

CHIP CARRIER

LCC20,.35SQ

190 ns

Gates

1.27 mm

125 Cel

OPEN-DRAIN

-55 Cel

QUAD

S-XQCC-N20

6 V

Not Qualified

2 V

NOT SPECIFIED

NOT SPECIFIED

SN74HC4075FH

Texas Instruments

OR GATE

INDUSTRIAL

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

3

CMOS

3

5

2/6

CHIP CARRIER

LCC20,.35SQ

125 ns

Gates

1.27 mm

85 Cel

-40 Cel

QUAD

S-XQCC-N20

6 V

Not Qualified

2 V

SN74AS802JP4

Texas Instruments

OR/NOR GATE

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

NO

TTL

IN-LINE

DIP20,.3

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T20

NOT SPECIFIED

NOT SPECIFIED

SN54HCT08FK-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

74AC11204N

Texas Instruments

INVERTER

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

6

CMOS

1

5

3.3/5

50 pF

IN-LINE

DIP20,.3

5.7 ns

24 Amp

Gates

2.54 mm

85 Cel

-40 Cel

DUAL

R-PDIP-T20

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

LOW-SKEW PROPAGATION DELAY

NOT SPECIFIED

NOT SPECIFIED

24.325 mm

AC

SN54HC805FK-00

Texas Instruments

NOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

6

CMOS

2

5

150 pF

CHIP CARRIER

55 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

SN74LS21FN

Texas Instruments

AND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

2

TTL

4

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

4.4 mA

NOT SPECIFIED

NOT SPECIFIED

8.9662 mm

LS

SNJ54AHC32FK

Texas Instruments

OR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

4

CMOS

MIL-PRF-38535

2

TUBE

3.3

2/5.5

50 pF

CHIP CARRIER

LCC20,.35SQ

13 ns

50 Amp

Gates

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

2 V

.02 mA

e0

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

AHC/VHC/H/U/V

SN54HC273VTDG1

Texas Instruments

AND GATE

NO LEAD

20

DIE

RECTANGULAR

UNSPECIFIED

YES

4

CMOS

2

UNCASED CHIP

UPPER

R-XUUC-N20

6 V

1.4986 mm

2 V

2.1335 mm

HC/UH

SN74ALS1003AFN-00

Texas Instruments

NAND 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

OPEN-COLLECTOR

0 Cel

QUAD

S-PQCC-J20

5.5 V

4.57 mm

8.9662 mm

Not Qualified

4.5 V

7.8 mA

8.9662 mm

ALS

SNJ54ALS04AFH

Texas Instruments

INVERTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

6

TTL

38535Q/M;38534H;883B

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

SN74HC805NP3

Texas Instruments

NOR GATE

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

CMOS

5

2/6

IN-LINE

DIP20,.3

Gates

2.54 mm

85 Cel

-40 Cel

DUAL

R-PDIP-T20

6 V

2 V

SN54ACT11030FK

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

SN74AS804BNP3

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

6

TTL

2

5

5

IN-LINE

DIP20,.3

5 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T20

5.5 V

4.5 V

27 mA

SNJ54HC02FH

Texas Instruments

NOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

4

CMOS

38535Q/M;38534H;883B

2

5

2/6

CHIP CARRIER

LCC20,.35SQ

135 ns

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

6 V

Not Qualified

2 V

SN74HC11FH4

Texas Instruments

AND GATE

INDUSTRIAL

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

3

CMOS

3

5

2/6

CHIP CARRIER

LCC20,.35SQ

125 ns

Gates

1.27 mm

85 Cel

-40 Cel

QUAD

S-XQCC-N20

6 V

2 V

SNJ54HC4002FK-00

Texas Instruments

NOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

4

5

50 pF

CHIP CARRIER

33 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

SNJ54LV21AFK

Texas Instruments

AND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

2

CMOS

MIL-PRF-38535

4

TUBE

2.5

3.3

50 pF

CHIP CARRIER

LCC20,.35SQ

19 ns

6 Amp

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

2 V

8.89 mm

LV/LV-A/LVX/H

SN74ALS804-1NP1

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

6

TTL

2

5

5

IN-LINE

DIP20,.3

8 ns

48 Amp

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T20

5.5 V

Not Qualified

4.5 V

12 mA

SN74AS1804DWP3

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

TTL

5

5

SMALL OUTLINE

SOP20,.4

48 Amp

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G20

27 mA

NOT SPECIFIED

NOT SPECIFIED

SN74LS55FN3

Texas Instruments

AND-OR-INVERT GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

1

TTL

8

5

5

CHIP CARRIER

LDCC20,.4SQ

20 ns

Gates

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

5.25 V

4.75 V

SNJ54AS810FKR

Texas Instruments

XNOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

4

TTL

2

5

CHIP CARRIER

9 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

AS

SN74ALS805ADWE4

Texas Instruments

NOR GATE

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

2

TUBE

5

50 pF

SMALL OUTLINE

SOP20,.4

8 ns

24 Amp

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G20

5.5 V

2.65 mm

7.5 mm

Not Qualified

4.5 V

14 mA

IOH = 15MA @ VOH = 2V; IOL = 24MA @ VOL = 0.5V

NOT SPECIFIED

NOT SPECIFIED

12.8 mm

ALS

SNJ54AHC04FKR

Texas Instruments

INVERTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

6

CMOS

MIL-PRF-38535

1

3.3

50 pF

CHIP CARRIER

13 ns

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

2 V

IT CAN ALSO OPERATE AT 5 V NOMINAL

8.89 mm

AHC/VHC/H/U/V

SN74S15FN3

Texas Instruments

AND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

3

TTL

3

CHIP CARRIER

LDCC20,.4SQ

9 ns

Gates

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

QUAD

S-PQCC-J20

5.25 V

4.75 V

SN54HC27FK-00

Texas Instruments

NOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

3

CMOS

3

5

50 pF

CHIP CARRIER

27 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

SN74ACT11004PWLE

Texas Instruments

INVERTER

INDUSTRIAL

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

6

CMOS

1

5

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

9.6 ns

.65 mm

85 Cel

-40 Cel

DUAL

R-PDSO-G20

5.5 V

1.2 mm

4.4 mm

Not Qualified

4.5 V

6.5 mm

ACT

SN54LS20FK

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

2

TTL

4

5

5

15 pF

CHIP CARRIER

LCC20,.35SQ

15 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

2.2 mA

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SN74HC808DW3

Texas Instruments

AND GATE

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

CMOS

5

2/6

SMALL OUTLINE

SOP20,.4

Gates

1.27 mm

85 Cel

-40 Cel

DUAL

R-PDSO-G20

6 V

2 V

SNJ54S436FK

Texas Instruments

INVERTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

6

TTL

38535Q/M;38534H;883B

1

5

500 pF

CHIP CARRIER

LCC20,.35SQ

16 ns

Gates

1.27 mm

125 Cel

SERIES-RESISTOR

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

60 mA

LINE/MEMORY DRIVER; STROBED O/PS

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

S

SN74ALS35FN-00

Texas Instruments

BUFFER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

6

TTL

1

5

CHIP CARRIER

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

QUAD

S-PQCC-J20

5.5 V

4.57 mm

8.9662 mm

Not Qualified

4.5 V

8.9662 mm

ALS

5962-9761501Q2A

Texas Instruments

INVERTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

YES

6

CMOS

MIL-PRF-38535 Class Q

1

TUBE

2.7

3.3

50 pF

CHIP CARRIER

LCC20,.35SQ

7.5 ns

24 Amp

Gate

1.27 mm

125 Cel

-55 Cel

Tin/Lead (Sn/Pb)

QUAD

S-CQCC-N20

3.6 V

2.03 mm

8.89 mm

Qualified

2 V

.01 mA

e0

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LVC/LCX/Z

SNJ54LS132FK

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

YES

4

TTL

MIL-PRF-38535

2

TUBE

5

5

15 pF

CHIP CARRIER

LCC20,.35SQ

22 ns

.8 Amp

Gates

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

14 mA

e0

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SNJ54HC30FK-00

Texas Instruments

NAND 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

SNJ54ALS27FH

Texas Instruments

NOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

3

TTL

38535Q/M;38534H;883B

3

5

5

CHIP CARRIER

LCC20,.35SQ

26 ns

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

5.5 V

Not Qualified

4.5 V

SNJ54ALS805AJ

Texas Instruments

NOR GATE

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

6

TTL

MIL-PRF-38535

2

5

50 pF

IN-LINE

DIP20,.3

9 ns

12 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

14 mA

IOH = 12MA @ VOH = 2V; IOL = 12MA @ VOL = 0.4V

NOT SPECIFIED

NOT SPECIFIED

24.195 mm

ALS

SN74HC7266FH

Texas Instruments

XNOR GATE

INDUSTRIAL

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

4

CMOS

2

5

2/6

CHIP CARRIER

LCC20,.35SQ

125 ns

Gates

1.27 mm

85 Cel

-40 Cel

QUAD

S-XQCC-N20

6 V

Not Qualified

2 V

5962-88576012X

Texas Instruments

AND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

UNSPECIFIED

NO

YES

2

CMOS

MIL-STD-883

4

4.5

50 pF

CHIP CARRIER

265 ns

5.2 Amp

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

6 V

2.03 mm

8.89 mm

Not Qualified

2 V

.04 mA

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

HC/UH

SN74AS804AN

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

6

TTL

2

5

5

IN-LINE

DIP20,.3

9 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T20

5.5 V

Not Qualified

4.5 V

27 mA

AS

SNJ54HC266FH

Texas Instruments

XNOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

4

CMOS

38535Q/M;38534H;883B

2

5

2/6

CHIP CARRIER

LCC20,.35SQ

190 ns

Gates

1.27 mm

125 Cel

OPEN-DRAIN

-55 Cel

QUAD

S-XQCC-N20

6 V

Not Qualified

2 V

NOT SPECIFIED

NOT SPECIFIED

SNJ54HC02FK-00

Texas Instruments

NOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

4

CMOS

2

5

50 pF

CHIP CARRIER

27 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

SN54LV07AFK

Texas Instruments

BUFFER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

6

CMOS

1

2.5

CHIP CARRIER

18 ns

1.27 mm

125 Cel

OPEN-DRAIN

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

2 V

8.89 mm

LV/LV-A/LVX/H

SN74ALS804ADWP3

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

2

5

5

SMALL OUTLINE

SOP20,.4

9 ns

24 Amp

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G20

5.5 V

4.5 V

12 mA

SN54HC09FK

Texas Instruments

AND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

4

CMOS

2

5

2/6

50 pF

CHIP CARRIER

LCC20,.35SQ

155 ns

5.2 Amp

Gates

1.27 mm

125 Cel

OPEN-DRAIN

-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

74AC11004J

Texas Instruments

INVERTER

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

NO

6

CMOS

1

5

3.3/5

50 pF

IN-LINE

DIP20,.3

10 ns

24 Amp

Gates

2.54 mm

85 Cel

-40 Cel

DUAL

R-CDIP-T20

5.5 V

Not Qualified

3 V

NOT SPECIFIED

NOT SPECIFIED

AC

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.