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

SNC54AS800J

Texas Instruments

AND/NAND GATE

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

NO

TTL

MIL-STD-883 Class B (Modified)

IN-LINE

DIP20,.3

Gates

2.54 mm

125 Cel

-55 Cel

DUAL

R-XDIP-T20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

84091012X

Texas Instruments

INVERTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

6

CMOS

MIL-PRF-38535

1

4.5

CHIP CARRIER

190 ns

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Qualified

2 V

NOT APPLICABLE

NOT APPLICABLE

8.89 mm

HC/UH

80019012X

Texas Instruments

AND GATE

MILITARY

NO LEAD

20

QCCN

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

YES

4

TTL

2

5

50 pF

CHIP CARRIER

53 ns

8.8 Amp

2.54 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

QUAD

S-CQCC-N20

5.5 V

5.08 mm

7.62 mm

Qualified

4.5 V

.03 mA

NOT APPLICABLE

NOT APPLICABLE

19.56 mm

LS

54LS22FK

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

TTL

4

5

15 pF

CHIP CARRIER

28 ns

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

2.2 mA

8.89 mm

LS

SNC54ALS805FH

Texas Instruments

NOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

TTL

MIL-STD-883 Class B (Modified)

CHIP CARRIER

LCC20,.35SQ

12 Amp

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SNC54HC20FH

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

2

CMOS

MIL-STD-883 Class B (Modified)

4

5

2/6

CHIP CARRIER

LCC20,.35SQ

165 ns

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

6 V

Not Qualified

2 V

NOT SPECIFIED

NOT SPECIFIED

SNC54AS808W

Texas Instruments

AND GATE

MILITARY

FLAT

20

DFP

RECTANGULAR

CERAMIC

NO

YES

6

TTL

MIL-STD-883 Class B (Modified)

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

SNC74ALS32FH

Texas Instruments

OR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

4

TTL

MIL-STD-883 Class B (Modified)

2

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

NOT SPECIFIED

NOT SPECIFIED

M38510/35202B2X

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

4

TTL

2

5

CHIP CARRIER

5.5 ns

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

QUAD

S-CQCC-N20

5.5 V

1.905 mm

8.89 mm

Not Qualified

4.5 V

8.89 mm

F/FAST

SNC54ALS03AFH

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

4

TTL

MIL-STD-883 Class B (Modified)

2

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

NOT SPECIFIED

NOT SPECIFIED

M38510/65101B2A

Texas Instruments

NOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

4

CMOS

MIL-M-38510 Class B

2

TUBE

5

2/6

50 pF

CHIP CARRIER

LCC20,.35SQ

135 ns

4 Amp

Gate

1.27 mm

125 Cel

-55 Cel

TIN LEAD

QUAD

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Qualified

2 V

.01 mA

e0

8.89 mm

HC

M38510/65101B2X

Texas Instruments

NOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

4

CMOS

2

5

50 pF

CHIP CARRIER

135 ns

4 Amp

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Qualified

2 V

.01 mA

NOT APPLICABLE

NOT APPLICABLE

8.89 mm

HC/UH

M38510/31003B2X

Texas Instruments

AND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

2

TTL

4

5

50 pF

CHIP CARRIER

30 ns

4 Amp

125 Cel

-55 Cel

QUAD

S-CQCC-N20

5.5 V

Qualified

4.5 V

4.4 mA

LS

SNC54AS804J

Texas Instruments

NAND GATE

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

NO

6

TTL

MIL-STD-883 Class B (Modified)

2

5

5

IN-LINE

DIP20,.3

5 ns

Gates

2.54 mm

125 Cel

-55 Cel

DUAL

R-XDIP-T20

5.5 V

Not Qualified

4.5 V

63 mA

M38510/37002B2A

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

3

TTL

MIL-M-38510 Class B

3

TUBE

5

5

50 pF

CHIP CARRIER

LCC20,.35SQ

15 ns

.4 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

2.2 mA

e0

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

ALS

74S30FN

Texas Instruments

NAND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

8

5

15 pF

CHIP CARRIER

7 ns

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

10 mA

8.9662 mm

S

SNC54AS04FH

Texas Instruments

INVERTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

6

TTL

MIL-STD-883 Class B (Modified)

1

5

5

CHIP CARRIER

LCC20,.35SQ

6 ns

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

5.5 V

Not Qualified

4.5 V

SNC54ALS1000FH

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

TTL

MIL-STD-883 Class B (Modified)

5

5

CHIP CARRIER

LCC20,.35SQ

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

86010012A

Texas Instruments

INVERTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

6

CMOS

MIL-STD-883

1

TUBE

5

2/6

50 pF

CHIP CARRIER

LCC20,.35SQ

120 ns

4 Amp

Gate

1.27 mm

125 Cel

-55 Cel

TIN LEAD

QUAD

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Qualified

2 V

.02 mA

e0

8.89 mm

HC/UH

54LS14FK

Texas Instruments

INVERTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

6

TTL

1

5

15 pF

CHIP CARRIER

22 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

21 mA

8.89 mm

LS

CDC204DWR

Texas Instruments

INVERTER

OTHER

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

CMOS

1

TR

5

5

50 pF

SMALL OUTLINE

SOP20,.4

5.7 ns

24 Amp

Gates

1.27 mm

70 Cel

25 Cel

DUAL

R-PDSO-G20

5.25 V

2.65 mm

7.5 mm

Not Qualified

4.75 V

NOT SPECIFIED

NOT SPECIFIED

12.825 mm

204

M38510/33003B2X

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

3

TTL

3

5

50 pF

CHIP CARRIER

7 ns

20 Amp

125 Cel

-55 Cel

QUAD

S-CQCC-N20

5.5 V

Qualified

4.5 V

7.7 mA

F/FAST

CDC203DWRG4

Texas Instruments

INVERTER

OTHER

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

CMOS

1

TR

3.3

3.3

30 pF

SMALL OUTLINE

SOP20,.4

6.1 ns

12 Amp

Gates

1.27 mm

70 Cel

25 Cel

DUAL

R-PDSO-G20

3.6 V

2.65 mm

7.5 mm

Not Qualified

3 V

NOT SPECIFIED

NOT SPECIFIED

12.8 mm

203

SNC54ALS804FH

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

6

TTL

MIL-STD-883 Class B (Modified)

2

5

5

CHIP CARRIER

LCC20,.35SQ

9 ns

12 Amp

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

5.5 V

Not Qualified

4.5 V

12 mA

SNC54ALS8003FH

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

TTL

MIL-STD-883 Class B (Modified)

5

5

CHIP CARRIER

LCC20,.35SQ

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

84041012A

Texas Instruments

NOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

4

CMOS

MIL-STD-883

2

TUBE

5

2/6

50 pF

CHIP CARRIER

LCC20,.35SQ

135 ns

4 Amp

Gate

1.27 mm

125 Cel

-55 Cel

TIN LEAD

QUAD

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Qualified

2 V

.04 mA

e0

8.89 mm

HC

M38510/65003B2A

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

MIL-M-38510 Class B

4

4.5

CHIP CARRIER

26 ns

125 Cel

-55 Cel

QUAD

S-CQCC-N20

6 V

Not Qualified

2 V

HC/UH

M38510/65002B2A

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

3

CMOS

38535Q/M;38534H;883B

3

TUBE

5

2/6

50 pF

CHIP CARRIER

LCC20,.35SQ

145 ns

5.2 Amp

Gate

1.27 mm

125 Cel

-55 Cel

TIN LEAD

QUAD

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Qualified

2 V

.01 mA

e0

8.89 mm

HC

SNC54ALS1003AFH

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

4

TTL

MIL-STD-883 Class B (Modified)

2

5

5

CHIP CARRIER

LCC20,.35SQ

40 ns

Gates

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

QUAD

S-XQCC-N20

5.5 V

Not Qualified

4.5 V

M38510/32102B2A

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

4

TTL

MIL-PRF-38535 Class B

2

5

5

CHIP CARRIER

LCC20,.35SQ

52 ns

4 Amp

Gate

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

TIN LEAD

QUAD

S-CQCC-N20

5.5 V

Not Qualified

4.5 V

4.4 mA

e0

LS

M38510/30301B2A

Texas Instruments

NOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

4

TTL

MIL-M-38510 Class B

2

TUBE

5

5

50 pF

CHIP CARRIER

LCC20,.35SQ

15 ns

.4 Amp

Gate

1.27 mm

125 Cel

-55 Cel

TIN LEAD

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Qualified

4.5 V

5.4 mA

e0

8.89 mm

LS

84047012X

Texas Instruments

AND GATE

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

4

CMOS

MIL-STD-883

2

4.5

50 pF

CHIP CARRIER

150 ns

5.2 Amp

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Qualified

2 V

NOT APPLICABLE

NOT APPLICABLE

8.89 mm

HC/UH

SNC54ALS35FH

Texas Instruments

BUFFER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

TTL

MIL-STD-883 Class B (Modified)

CHIP CARRIER

LCC20,.35SQ

Gates

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

M38510/65102B2A

Texas Instruments

NOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

UNSPECIFIED

YES

3

CMOS

MIL-M-38510 Class B

3

4.5

CHIP CARRIER

22 ns

125 Cel

-55 Cel

QUAD

S-XQCC-N20

6 V

Not Qualified

2 V

HC/UH

54LS21FK

Texas Instruments

AND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

TTL

4

5

15 pF

CHIP CARRIER

20 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

4.4 mA

8.89 mm

LS

54AC11810FK

Texas Instruments

XNOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

CMOS

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

SNC54ALS832FH

Texas Instruments

OR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

6

TTL

MIL-STD-883 Class B (Modified)

2

5

5

CHIP CARRIER

LCC20,.35SQ

13 ns

12 Amp

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

5.5 V

Not Qualified

4.5 V

54S38FK

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

4

TTL

2

5

50 pF

CHIP CARRIER

10 ns

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

80 mA

IOL = 60MA @ VOL = 0.5V; IOH = 0.25MA @ VOH = 5.5V

8.89 mm

S

M38510/31302B2C

Texas Instruments

INVERTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

6

TTL

MIL-PRF-38535 Class B

1

5

CHIP CARRIER

52 ns

125 Cel

-55 Cel

QUAD

S-CQCC-N20

5.5 V

Not Qualified

4.5 V

LS

SNC54HC266FH

Texas Instruments

XNOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

4

CMOS

MIL-STD-883 Class B (Modified)

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

M38510/38402B2A

Texas Instruments

NOR GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

4

TTL

MIL-PRF-38535 Class B

2

5

5

CHIP CARRIER

LCC20,.35SQ

10 ns

12 Amp

Gate

1.27 mm

125 Cel

-55 Cel

TIN LEAD

QUAD

S-CQCC-N20

5.5 V

Not Qualified

4.5 V

9 mA

e0

ALS

54S37FK

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

4

TTL

2

5

50 pF

CHIP CARRIER

6.5 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

80 mA

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

8.89 mm

S

54AC11004J

Texas Instruments

INVERTER

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

6

CMOS

1

5

3.3/5

50 pF

IN-LINE

DIP20,.3

6.4 ns

24 Amp

Gates

2.54 mm

125 Cel

-55 Cel

DUAL

R-GDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

3 V

CENTER PIN VCC AND GND

NOT SPECIFIED

NOT SPECIFIED

24.195 mm

AC

SNC54ALS1010AFH

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

3

TTL

MIL-STD-883 Class B (Modified)

3

5

5

CHIP CARRIER

LCC20,.35SQ

10 ns

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

5.5 V

Not Qualified

4.5 V

84098012A

Texas Instruments

INVERTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

6

CMOS

MIL-STD-883

1

TUBE

5

2/6

50 pF

CHIP CARRIER

LCC20,.35SQ

125 ns

4 Amp

Gate

1.27 mm

125 Cel

-55 Cel

Tin/Lead (Sn/Pb)

QUAD

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Qualified

2 V

.02 mA

e0

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

HC/UH

SNC54AS30FH

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

1

TTL

MIL-STD-883 Class B (Modified)

8

5

5

CHIP CARRIER

LCC20,.35SQ

5.5 ns

20 Amp

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

5.5 V

Not Qualified

4.5 V

4.9 mA

SNC54ALS804J

Texas Instruments

NAND GATE

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

NO

6

TTL

MIL-STD-883 Class B (Modified)

2

5

5

IN-LINE

DIP20,.3

9 ns

12 Amp

Gates

2.54 mm

125 Cel

-55 Cel

DUAL

R-XDIP-T20

5.5 V

Not Qualified

4.5 V

12 mA

M38510/30001B2A

Texas Instruments

NAND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

4

TTL

MIL-M-38510 Class B

2

TUBE

5

5

50 pF

CHIP CARRIER

LCC20,.35SQ

15 ns

.4 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

4.4 mA

e0

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

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.