COMMERCIAL 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

SN74S00J-00

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

4

TTL

2

5

15 pF

IN-LINE

5 ns

2.54 mm

70 Cel

0 Cel

DUAL

R-GDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

36 mA

19.56 mm

S

SN74AS30D3

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

1

TTL

8

5

5

SMALL OUTLINE

SOP14,.25

5 ns

20 Amp

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.5 V

4.5 V

4.9 mA

SN74ALS27ANE4

Texas Instruments

NOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

3

TTL

3

TUBE

5

5

50 pF

IN-LINE

DIP14,.3

9 ns

8 Amp

Gates

2.54 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T14

5.5 V

5.08 mm

7.62 mm

Not Qualified

4.5 V

4 mA

e4

19.305 mm

ALS

SN7406N-00

Texas Instruments

INVERTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

6

TTL

1

5

15 pF

IN-LINE

23 ns

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

51 mA

19.305 mm

TTL/H/L

SN74AS805BDW

Texas Instruments

NOR GATE

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

2

TUBE

5

5

50 pF

SMALL OUTLINE

SOP20,.4

4.3 ns

Gates

1.27 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G20

1

5.5 V

2.65 mm

7.5 mm

Not Qualified

4.5 V

32 mA

IOH = 48MA @ VOH = 2V; IOL = 48MA @ VOL = 0.5V

e4

30

260

12.8 mm

AS

SN74ALS20ANE4

Texas Instruments

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COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

2

TTL

4

TUBE

5

5

IN-LINE

DIP14,.3

11 ns

8 Amp

Gates

2.54 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T14

5.5 V

5.08 mm

7.62 mm

Not Qualified

4.5 V

1.5 mA

e4

19.305 mm

ALS

SN7410J4

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

3

TTL

3

5

5

IN-LINE

DIP14,.3

22 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

5.25 V

4.75 V

NOT SPECIFIED

NOT SPECIFIED

SN74ALS27ANSRE4

Texas Instruments

NOR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3

TTL

3

TR

5

5

SMALL OUTLINE

SOP14,.3

15 ns

8 Amp

Gates

1.27 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.5 V

2 mm

5.3 mm

Not Qualified

4.5 V

4 mA

e4

30

260

10.2 mm

ALS

SN74AS1036J4

Texas Instruments

NOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

TTL

5

5

IN-LINE

DIP14,.3

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

SN74ALS08D3

Texas Instruments

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COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

5

5

SMALL OUTLINE

SOP14,.25

14 ns

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.5 V

4.5 V

SN74AS808N3

Texas Instruments

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COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

6

TTL

2

5

5

IN-LINE

DIP20,.3

6 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T20

5.5 V

4.5 V

86 mA

SN74ALS21ADP3

Texas Instruments

AND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

2

TTL

4

5

5

SMALL OUTLINE

SOP14,.25

15 ns

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.5 V

4.5 V

SN74S05DE4

Texas Instruments

INVERTER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

1

TUBE

5

5

15 pF

SMALL OUTLINE

SOP14,.25

7.5 ns

20 Amp

Gates

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.25 V

1.75 mm

3.9 mm

Not Qualified

4.75 V

54 mA

e4

30

260

8.65 mm

S

SN74H00J

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

4

TTL

2

5

25 pF

IN-LINE

DIP14,.3

10 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-GDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

40 mA

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

TTL/H/L

SN74ALS1010AN-10

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

3

TTL

3

5

50 pF

IN-LINE

7 ns

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.5 V

5.08 mm

7.62 mm

Not Qualified

4.5 V

5.8 mA

19.305 mm

ALS

SN74F08DRG4

Texas Instruments

AND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TR

5

5

50 pF

SMALL OUTLINE

SOP14,.25

6.6 ns

20 Amp

Gate

1.27 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

4.5 V

12.9 mA

e4

30

260

8.65 mm

F/FAST

SN74AS27DRE4

Texas Instruments

NOR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3

TTL

3

TR

5

5

50 pF

SMALL OUTLINE

SOP14,.25

4.5 ns

20 Amp

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.5 V

1.75 mm

3.9 mm

Not Qualified

4.5 V

17.1 mA

NOT SPECIFIED

NOT SPECIFIED

8.65 mm

AS

SN74F21DE4

Texas Instruments

AND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

2

TTL

4

5

5

50 pF

SMALL OUTLINE

SOP14,.25

5.5 ns

20 Amp

Gate

1.27 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

4.5 V

7.3 mA

e4

40

260

8.65 mm

F/FAST

SN74ALS35JP4

Texas Instruments

BUFFER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

6

TTL

1

IN-LINE

DIP14,.3

50 ns

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-XDIP-T14

5.5 V

4.5 V

NOT SPECIFIED

NOT SPECIFIED

SN74LS13J-00

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

2

TTL

4

5

15 pF

IN-LINE

27 ns

2.54 mm

70 Cel

0 Cel

DUAL

R-GDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

7 mA

19.56 mm

LS

SN7427J

Texas Instruments

NOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

3

TTL

3

5

5

15 pF

IN-LINE

DIP14,.3

11 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-GDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

26 mA

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

TTL/H/L

SN74AS1036AD3

Texas Instruments

NOR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

TTL

5

5

SMALL OUTLINE

SOP14,.25

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

SN74L20N

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

TTL

IN-LINE

DIP14,.3

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74H55N-10

Texas Instruments

AND-OR-INVERT GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

25 pF

IN-LINE

11 ns

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

12 mA

EXPANDABLE

19.305 mm

TTL/H/L

SN74AS1004J4

Texas Instruments

INVERTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

6

TTL

1

5

5

IN-LINE

DIP14,.3

4 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

5.5 V

4.5 V

NOT SPECIFIED

NOT SPECIFIED

SN74S86NSRE4

Texas Instruments

XOR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TR

5

5

15 pF

SMALL OUTLINE

SOP14,.3

10.5 ns

20 Amp

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.25 V

2 mm

5.3 mm

Not Qualified

4.75 V

75 mA

NOT SPECIFIED

NOT SPECIFIED

10.2 mm

S

SN74ALS832ADWRG4

Texas Instruments

OR GATE

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

2

TR

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

2.65 mm

7.5 mm

Not Qualified

4.5 V

16 mA

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

NOT SPECIFIED

NOT SPECIFIED

12.8 mm

ALS

SN74AS808AJ4

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

NO

6

TTL

2

5

5

IN-LINE

DIP20,.3

6 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T20

5.5 V

4.5 V

32 mA

5962-01-376-0017

Texas Instruments

OR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

TTL

5

5

IN-LINE

DIP14,.3

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74ALS37ADP3

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

5

5

SMALL OUTLINE

SOP14,.25

8 ns

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.5 V

4.5 V

NOT SPECIFIED

NOT SPECIFIED

SN74ALS33ADE4

Texas Instruments

NOR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TUBE

5

5

50 pF

SMALL OUTLINE

SOP14,.25

12 ns

24 Amp

Gates

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

4.5 V

9 mA

IOH = 0.1MA @ VOH = 5.5V; IOL = 24MA @ VOL = 0.5V

e4

30

260

8.65 mm

ALS

SN74ALS1035J

Texas Instruments

BUFFER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

6

TTL

1

5

5

IN-LINE

DIP14,.3

30 ns

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-XDIP-T14

5.5 V

Not Qualified

4.5 V

NOT SPECIFIED

NOT SPECIFIED

SN74ALS28AFN

Texas Instruments

NOR GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

TTL

5

5

CHIP CARRIER

LDCC20,.4SQ

Gates

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN7420N3

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

2

TTL

4

5

5

15 pF

IN-LINE

DIP14,.3

15 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

11 mA

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

TTL/H/L

SN74F08DE4

Texas Instruments

AND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TUBE

5

5

50 pF

SMALL OUTLINE

SOP14,.25

6.3 ns

20 Amp

Gate

1.27 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

4.5 V

12.9 mA

e4

30

260

8.65 mm

F/FAST

SN74LS03DE4

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

5

5

15 pF

SMALL OUTLINE

SOP14,.25

28 ns

8 Amp

Gates

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.25 V

1.75 mm

3.9 mm

Not Qualified

4.75 V

4.4 mA

e4

30

260

8.65 mm

LS

SN74LS40N-00

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

45 pF

IN-LINE

24 ns

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

6 mA

19.305 mm

LS

SN74LS15J

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

3

TTL

3

5

5

15 pF

IN-LINE

DIP14,.3

35 ns

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-GDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

6.6 mA

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

LS

SN74ALS08N1

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

14 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.5 V

Not Qualified

4.5 V

DM74LS51J

Texas Instruments

AND-OR-INVERT GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

6

5

IN-LINE

20 ns

70 Cel

0 Cel

TIN LEAD

DUAL

R-PDIP-T14

5.25 V

4.75 V

ASYMMETRICAL INPUTS

e0

LS

SN74AS86ANE4

Texas Instruments

XOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

7.5 ns

Gates

2.54 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T14

5.5 V

5.08 mm

7.62 mm

Not Qualified

4.5 V

e4

19.305 mm

AS

5962-00-011-2759

Texas Instruments

AND-OR-INVERT GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

TTL

IN-LINE

DIP14,.3

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74ALS832N-10

Texas Instruments

OR GATE

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

6

TTL

2

5

50 pF

IN-LINE

8 ns

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

4.5 V

16 mA

24.325 mm

ALS

SN74AS20DR

Texas Instruments

NAND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

2

TTL

4

TR

5

5

50 pF

SMALL OUTLINE

SOP14,.25

4.5 ns

20 Amp

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.5 V

1.75 mm

3.9 mm

Not Qualified

4.5 V

8.7 mA

NOT SPECIFIED

NOT SPECIFIED

8.65 mm

AS

SN74ALS35AD3

Texas Instruments

BUFFER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

1

SMALL OUTLINE

SOP14,.25

50 ns

Gates

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDSO-G14

5.5 V

4.5 V

NOT SPECIFIED

NOT SPECIFIED

SN74ALS1005FN3

Texas Instruments

INVERTER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

6

TTL

1

5

5

CHIP CARRIER

LDCC20,.4SQ

30 ns

24 Amp

Gates

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

QUAD

S-PQCC-J20

5.5 V

4.5 V

12 mA

NOT SPECIFIED

NOT SPECIFIED

SN74ALS1032AN3

Texas Instruments

OR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

12 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.5 V

4.5 V

SN74H10J-00

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

3

TTL

3

5

25 pF

IN-LINE

10 ns

2.54 mm

70 Cel

0 Cel

DUAL

R-GDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

30 mA

19.56 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.