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

SN74F21DG4

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

Gates

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

30

260

8.65 mm

F/FAST

SN74ALS35N3

Texas Instruments

BUFFER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

6

TTL

1

IN-LINE

DIP14,.3

50 ns

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDIP-T14

5.5 V

4.5 V

NOT SPECIFIED

NOT SPECIFIED

SN7426J-00

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

4

TTL

2

5

15 pF

IN-LINE

17 ns

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

22 mA

19.56 mm

TTL/H/L

SN74S09DG4

Texas Instruments

AND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

5

5

15 pF

SMALL OUTLINE

SOP14,.25

10 ns

20 Amp

Gates

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDSO-G14

5.25 V

1.75 mm

3.9 mm

Not Qualified

4.75 V

57 mA

NOT SPECIFIED

NOT SPECIFIED

8.65 mm

S

SN74S11J4

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

3

TTL

3

5

5

IN-LINE

DIP14,.3

20 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

5.25 V

4.75 V

NOT SPECIFIED

NOT SPECIFIED

SN74AS808BDWR

Texas Instruments

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COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

2

TR

5

5

50 pF

SMALL OUTLINE

SOP20,.4

6 ns

48 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

33 mA

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

NOT SPECIFIED

NOT SPECIFIED

12.8 mm

AS

SN7417N

Texas Instruments

BUFFER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

YES

NO

6

TTL

1

TUBE

5

5

50 pF

IN-LINE

DIP14,.3

30 ns

40 Amp

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T14

5.25 V

5.08 mm

6.35 mm

Not Qualified

4.75 V

41 mA

IOL = 40MA @ VOL = 0.7V; IOH = 0.25MA @ VOH = 15V

e4

19.3 mm

TTL/H/L

SN74AS808ANP1

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

Not Qualified

4.5 V

32 mA

SN74S22J4

Texas Instruments

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COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

2

TTL

4

5

5

IN-LINE

DIP14,.3

7.5 ns

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-XDIP-T14

5.25 V

4.75 V

SN74S140JP4

Texas Instruments

NAND 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

NOT SPECIFIED

NOT SPECIFIED

SN74LS01N-10

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

15 pF

IN-LINE

28 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

4.4 mA

19.305 mm

LS

SN74ALS810FN

Texas Instruments

XNOR 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 Qualified

SN74LS09DRE4

Texas Instruments

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COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TR

5

5

15 pF

SMALL OUTLINE

SOP14,.25

35 ns

8 Amp

Gates

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

R-PDSO-G14

1

5.25 V

1.75 mm

3.9 mm

Not Qualified

4.75 V

8.8 mA

e4

NOT SPECIFIED

260

8.65 mm

LS

SN74S40FN3

Texas Instruments

NAND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

2

TTL

4

5

5

CHIP CARRIER

LDCC20,.4SQ

6.5 ns

Gates

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

5.25 V

4.75 V

SN74AS04NE4

Texas Instruments

INVERTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

6

TTL

1

5

5

50 pF

IN-LINE

DIP14,.3

5 ns

Gates

2.54 mm

70 Cel

3-STATE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T14

5.5 V

5.08 mm

7.62 mm

Not Qualified

4.5 V

26.3 mA

e4

19.305 mm

AS

SN7405NP1

Texas Instruments

INVERTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

6

TTL

1

5

5

IN-LINE

DIP14,.3

55 ns

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDIP-T14

5.25 V

Not Qualified

4.75 V

NOT SPECIFIED

NOT SPECIFIED

SN74F08DRE4

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

SN74AS805BDWRG4

Texas Instruments

NOR GATE

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

2

TR

5

5

SMALL OUTLINE

SOP20,.4

4.3 ns

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

32 mA

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

NOT SPECIFIED

NOT SPECIFIED

12.8 mm

AS

SN74LS15FN

Texas Instruments

AND GATE

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

3

TTL

3

5

5

15 pF

CHIP CARRIER

LDCC20,.4SQ

35 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

6.6 mA

NOT SPECIFIED

NOT SPECIFIED

8.9662 mm

LS

SN74ALS11AJ4

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

3

TTL

3

5

5

IN-LINE

DIP14,.3

13 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

5.5 V

4.5 V

SN74LS02D3

Texas Instruments

NOR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

5

5

SMALL OUTLINE

SOP14,.25

15 ns

8 Amp

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.25 V

4.75 V

5.4 mA

SN74128NP3

Texas Instruments

NOR 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 SPECIFIED

NOT SPECIFIED

DM74L00N/A+

Texas Instruments

NAND 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

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T14

e0

SN74LS11NSRG4

Texas Instruments

AND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3

TTL

3

TR

5

5

15 pF

SMALL OUTLINE

SOP14,.3

20 ns

8 Amp

Gates

1.27 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.25 V

2 mm

5.3 mm

Not Qualified

4.75 V

6.6 mA

e4

30

260

10.2 mm

LS

SN7426N

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

5

5

15 pF

IN-LINE

DIP14,.3

17 ns

Gates

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

22 mA

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

TTL/H/L

SN74ALS15ANP3

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

3

TTL

3

5

5

IN-LINE

DIP14,.3

54 ns

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDIP-T14

5.5 V

4.5 V

SN74H52J-00

Texas Instruments

AND-OR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

TTL

9

5

25 pF

IN-LINE

15 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

31 mA

EXPANDABLE

19.56 mm

TTL/H/L

SN74ALS86DP3

Texas Instruments

XOR GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

5

5

SMALL OUTLINE

SOP14,.25

17 ns

8 Amp

Gates

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.5 V

4.5 V

5.9 mA

SN74AS08NSRE4

Texas Instruments

AND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

2

TR

5

5

SMALL OUTLINE

SOP14,.3

5.5 ns

20 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

24 mA

e4

30

260

10.2 mm

AS

SN74ALS22N

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

TTL

5

5

IN-LINE

DIP14,.3

Gates

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDIP-T14

Not Qualified

SN74AS21NE4

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

2

TTL

4

TUBE

5

5

IN-LINE

DIP14,.3

6 ns

20 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

12 mA

e4

19.305 mm

AS

SN74LS05DBLE

Texas Instruments

INVERTER

COMMERCIAL

GULL WING

14

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

6

TTL

1

5

SMALL OUTLINE, SHRINK PITCH

32 ns

.65 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-PDSO-G14

5.25 V

2 mm

5.3 mm

Not Qualified

4.75 V

6.2 mm

LS

SN74ALS804N

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

TTL

5

5

IN-LINE

DIP20,.3

24 Amp

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T20

Not Qualified

12 mA

SN74ALS805AN3

Texas Instruments

NOR GATE

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

6

TTL

2

5

IN-LINE

DIP20,.3

8 ns

24 Amp

Gates

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

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

NOT SPECIFIED

NOT SPECIFIED

25.4 mm

ALS

SN74AS1036AN

Texas Instruments

NOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

5

5

50 pF

IN-LINE

DIP14,.3

4.3 ns

Gates

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

23 mA

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

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

AS

SN74L04J-00

Texas Instruments

INVERTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

6

TTL

1

5

50 pF

IN-LINE

60 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

3.06 mA

19.56 mm

TTL/H/L

SN74AS1805N3

Texas Instruments

NOR GATE

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

TTL

5

5

IN-LINE

DIP20,.3

48 Amp

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T20

32 mA

NOT SPECIFIED

NOT SPECIFIED

SN74ALS86AN3

Texas Instruments

XOR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

17 ns

8 Amp

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.5 V

4.5 V

5.9 mA

SN74H52N1

Texas Instruments

AND-OR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

1

TTL

9

IN-LINE

DIP14,.3

15 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.25 V

Not Qualified

4.75 V

SN74H55J4

Texas Instruments

AND-OR-INVERT GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

1

TTL

8

5

IN-LINE

DIP14,.3

11 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

5.25 V

4.75 V

SN74AS10DRE4

Texas Instruments

NAND 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

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

4.5 V

13 mA

e4

30

260

8.65 mm

AS

SN74S37N-10

Texas Instruments

NAND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

50 pF

IN-LINE

6.5 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

80 mA

19.305 mm

S

SN74LS05DG4

Texas Instruments

INVERTER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

6

TTL

1

5

5

15 pF

SMALL OUTLINE

SOP14,.25

32 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

6.6 mA

e4

30

260

8.65 mm

LS

SN74ALS1034N-10

Texas Instruments

BUFFER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

6

TTL

1

5

50 pF

IN-LINE

8 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

14 mA

19.305 mm

ALS

SN74H11J-00

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

3

TTL

3

5

25 pF

IN-LINE

12 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

48 mA

19.56 mm

TTL/H/L

SN74ALS27ANSR

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,.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

10.3 mm

ALS

5962-00-189-0511

Texas Instruments

INVERTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

TTL

TUBE

5

5

15 pF

IN-LINE

DIP14,.3

20 Amp

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

Not Qualified

54 mA

NOT SPECIFIED

NOT SPECIFIED

SN74S32N1

Texas Instruments

OR GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

4

TTL

2

5

5

IN-LINE

DIP14,.3

7 ns

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.25 V

Not Qualified

4.75 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.