AND GATE 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

74LS15D

Texas Instruments

AND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

3

TTL

3

5

15 pF

SMALL OUTLINE

35 ns

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

6.6 mA

8.65 mm

LS

54AC11011J

Texas Instruments

AND GATE

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

3

CMOS

3

5

3.3/5

50 pF

IN-LINE

DIP16,.3

7.3 ns

24 Amp

Gates

2.54 mm

125 Cel

-55 Cel

DUAL

R-GDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

3 V

CENTER PIN VCC AND GND

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

AC

SNC54LS08W

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC

NO

YES

4

TTL

MIL-STD-883 Class B (Modified)

2

5

5

FLATPACK

FL14,.3

20 ns

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-XDFP-F14

5.5 V

Not Qualified

4.5 V

V62/04655-02XE

Texas Instruments

AND GATE

MILITARY

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

CMOS

2

TR

2.7

3.3

50 pF

SMALL OUTLINE

SOP14,.25

4.8 ns

24 Amp

Gates

1.27 mm

125 Cel

-55 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

3.6 V

1.75 mm

3.9 mm

Not Qualified

2 V

.01 mA

e4

30

260

8.65 mm

LVC/LCX/Z

SNG81U

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC

NO

YES

TTL

FLATPACK

FL14,.3

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-XDFP-F14

Not Qualified

74S15D

Texas Instruments

AND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

3

TTL

3

5

15 pF

SMALL OUTLINE

9 ns

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

42 mA

8.65 mm

S

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

74F08SCX

Texas Instruments

AND GATE

COMMERCIAL

SOP

4

TTL

2

5

6.6 ns

1.27 mm

70 Cel

0 Cel

5.5 V

1.753 mm

3.9 mm

4.5 V

8.62 mm

F/FAST

SNC54LS11J

Texas Instruments

AND GATE

MILITARY

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

3

TTL

MIL-STD-883 Class B (Modified)

3

5

5

IN-LINE

DIP14,.3

20 ns

Gates

2.54 mm

125 Cel

-55 Cel

DUAL

R-XDIP-T14

5.5 V

Not Qualified

4.5 V

NOT SPECIFIED

NOT SPECIFIED

LS

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

54S11W

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

3

TTL

3

5

15 pF

FLATPACK

7.5 ns

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

42 mA

9.21 mm

S

V62/03647-01YE

Texas Instruments

AND GATE

MILITARY

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

CMOS

2

TR

3.3

2/5.5

50 pF

SMALL OUTLINE

SOP14,.25

14 ns

8 Amp

Gates

1.27 mm

125 Cel

-55 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

2 V

.02 mA

e4

30

260

8.65 mm

AHC/VHC/H/U/V

M38510/31001BCA

Texas Instruments

AND GATE

MILITARY

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

3

TTL

MIL-M-38510 Class B

3

TUBE

5

5

50 pF

IN-LINE

DIP14,.3

20 ns

8 Amp

Gate

2.54 mm

125 Cel

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-GDIP-T14

5.5 V

5.08 mm

7.62 mm

Qualified

4.5 V

6.6 mA

LG-MAX

e0

NOT SPECIFIED

NOT SPECIFIED

19.94 mm

LS

54LS08FMQB

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC

NO

YES

4

TTL

38535Q/M;38534H;883B

2

5

5

50 pF

FLATPACK

FL14,.3

18 ns

4 Amp

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-XDFP-F14

5.5 V

Not Qualified

4.5 V

8.8 mA

54ACT11008J

Texas Instruments

AND GATE

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

4

CMOS

2

5

5

50 pF

IN-LINE

DIP16,.3

8.6 ns

24 Amp

Gates

2.54 mm

125 Cel

-55 Cel

DUAL

R-GDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

4.5 V

CENTER PIN VCC AND GND

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

ACT

SNC54S11J

Texas Instruments

AND GATE

MILITARY

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

3

TTL

MIL-STD-883 Class B (Modified)

3

5

5

IN-LINE

DIP14,.3

20 ns

Gates

2.54 mm

125 Cel

-55 Cel

DUAL

R-XDIP-T14

5.5 V

Not Qualified

4.5 V

NOT SPECIFIED

NOT SPECIFIED

S

74LS21J

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

2

TTL

4

5

15 pF

IN-LINE

20 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

4.4 mA

19.56 mm

LS

M38510/65204BCX

Texas Instruments

AND GATE

MILITARY

THROUGH-HOLE

14

DIP

RECTANGULAR

UNSPECIFIED

NO

NO

3

CMOS

3

4.5

50 pF

IN-LINE

29 ns

4 Amp

125 Cel

-55 Cel

DUAL

R-XDIP-T14

6 V

Qualified

2 V

.01 mA

HC/UH

74F08SC

Texas Instruments

AND GATE

COMMERCIAL

SOP

4

TTL

2

5

6.6 ns

1.27 mm

70 Cel

0 Cel

5.5 V

1.753 mm

3.9 mm

4.5 V

8.62 mm

F/FAST

M38510/31004SCA

Texas Instruments

AND GATE

MILITARY

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

4

TTL

MIL-PRF-38535 Class S

2

TUBE

5

5

50 pF

IN-LINE

DIP14,.3

30 ns

16 Amp

Gate

2.54 mm

125 Cel

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-GDIP-T14

5.5 V

5.08 mm

6.67 mm

Qualified

4.5 V

8.8 mA

e0

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

LS

SNC5408J

Texas Instruments

AND GATE

MILITARY

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

4

TTL

MIL-STD-883 Class B (Modified)

2

5

5

IN-LINE

DIP14,.3

19 ns

Gates

2.54 mm

125 Cel

-55 Cel

DUAL

R-GDIP-T14

5.5 V

5.08 mm

7.62 mm

Not Qualified

4.5 V

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

TTL/H/L

54LS11W

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

3

TTL

3

5

15 pF

FLATPACK

20 ns

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

4.5 V

6.6 mA

9.21 mm

LS

8414301DA

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

2

TTL

MIL-STD-883

4

5

5

FLATPACK

FL14,.3

18 ns

4 Amp

Gate

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.285 mm

Not Qualified

4.5 V

2.3 mA

9.21 mm

ALS

SNC54H15W

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC

NO

YES

TTL

MIL-STD-883 Class B (Modified)

FLATPACK

FL14,.3

Gates

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

DUAL

R-XDFP-F14

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

54AC11021J

Texas Instruments

AND GATE

MILITARY

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

2

CMOS

4

5

3.3/5

50 pF

IN-LINE

DIP14,.3

7.4 ns

24 Amp

Gates

2.54 mm

125 Cel

-55 Cel

DUAL

R-GDIP-T14

5.5 V

5.08 mm

7.62 mm

Not Qualified

3 V

CENTER PIN VCC AND GND

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

AC

74S11DR

Texas Instruments

AND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

3

TTL

3

5

15 pF

SMALL OUTLINE

7.5 ns

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.25 V

1.75 mm

3.9 mm

Not Qualified

4.75 V

42 mA

8.65 mm

S

84143012A

Texas Instruments

AND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

2

TTL

MIL-STD-883

4

TUBE

5

5

50 pF

CHIP CARRIER

LCC20,.35SQ

18 ns

8 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

2.3 mA

e0

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

ALS

M38510/08003BDX

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

4

TTL

2

5

50 pF

FLATPACK

7.5 ns

20 Amp

1.27 mm

125 Cel

-55 Cel

DUAL

R-GDFP-F14

5.5 V

2.03 mm

6.285 mm

Qualified

4.5 V

57 mA

NOT APPLICABLE

NOT APPLICABLE

9.21 mm

S

CD54HC11F3A

Texas Instruments

AND GATE

MILITARY

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

3

CMOS

38535Q/M;38534H;883B

3

TUBE

4.5

2/6

50 pF

IN-LINE

DIP14,.3

150 ns

5.2 Amp

Gates

2.54 mm

125 Cel

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-GDIP-T14

6 V

5.08 mm

7.62 mm

Not Qualified

2 V

.04 mA

e0

NOT SPECIFIED

NOT SPECIFIED

19.94 mm

HC/UH

SNC54ALS11FH

Texas Instruments

AND 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

14 ns

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

5.5 V

Not Qualified

4.5 V

74S15DR

Texas Instruments

AND GATE

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

3

TTL

3

5

15 pF

SMALL OUTLINE

9 ns

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

42 mA

8.65 mm

S

M38510/65204BDX

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

UNSPECIFIED

YES

3

CMOS

MIL-M-38510 Class B

3

4.5

FLATPACK

29 ns

125 Cel

-55 Cel

DUAL

R-XDFP-F14

6 V

Not Qualified

2 V

HC/UH

CD54HC08F3A

Texas Instruments

AND GATE

MILITARY

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

4

CMOS

38535Q/M;38534H;883B

2

TUBE

5

2/6

50 pF

IN-LINE

DIP14,.3

135 ns

5.2 Amp

Gates

2.54 mm

125 Cel

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-GDIP-T14

6 V

5.08 mm

7.62 mm

Not Qualified

2 V

.04 mA

e0

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

HC/UH

SNG83J

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

TTL

IN-LINE

DIP14,.3

Gates

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

Not Qualified

V62/03647-01XE

Texas Instruments

AND GATE

MILITARY

GULL WING

14

TSSOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

CMOS

2

TR

3.3

2/5.5

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP14,.25

14 ns

8 Amp

Gates

.65 mm

125 Cel

-55 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.5 V

1.2 mm

4.4 mm

Not Qualified

2 V

.02 mA

e4

30

260

5 mm

AHC/VHC/H/U/V

74S15J

Texas Instruments

AND GATE

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

3

TTL

3

5

15 pF

IN-LINE

9 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

42 mA

19.56 mm

S

M38510/08003BCX

Texas Instruments

AND GATE

MILITARY

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

4

TTL

2

5

50 pF

IN-LINE

7.5 ns

20 Amp

2.54 mm

125 Cel

-55 Cel

DUAL

R-GDIP-T14

5.5 V

5.08 mm

7.62 mm

Qualified

4.5 V

57 mA

NOT APPLICABLE

NOT APPLICABLE

19.56 mm

S

SNG83N

Texas Instruments

AND 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

SNC54ALS21FH

Texas Instruments

AND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

NO

YES

2

TTL

MIL-STD-883 Class B (Modified)

4

5

5

CHIP CARRIER

LCC20,.35SQ

18 ns

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

5.5 V

Not Qualified

4.5 V

8414301CA

Texas Instruments

AND GATE

MILITARY

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

2

TTL

MIL-STD-883

4

TUBE

5

5

50 pF

IN-LINE

DIP14,.3

18 ns

8 Amp

Gate

2.54 mm

125 Cel

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-GDIP-T14

5.5 V

5.08 mm

7.62 mm

Qualified

4.5 V

2.3 mA

e0

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

ALS

54F08LMQB

Texas Instruments

AND GATE

MILITARY

QCCN

4

TTL

2

5

7.5 ns

1.27 mm

125 Cel

-55 Cel

5.5 V

1.905 mm

8.89 mm

4.5 V

8.89 mm

F/FAST

CD54HCT08F

Texas Instruments

AND GATE

MILITARY

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

4

CMOS

2

TUBE

5

5

50 pF

IN-LINE

DIP14,.3

38 ns

4 Amp

Gates

2.54 mm

125 Cel

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-GDIP-T14

5.5 V

5.08 mm

7.62 mm

Not Qualified

4.5 V

.04 mA

e0

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

HCT

SNC54ALS1011J

Texas Instruments

AND GATE

MILITARY

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

NO

3

TTL

MIL-STD-883 Class B (Modified)

3

5

5

IN-LINE

DIP14,.3

12 ns

Gates

2.54 mm

125 Cel

-55 Cel

DUAL

R-XDIP-T14

5.5 V

Not Qualified

4.5 V

SNC54LS21W

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC

NO

YES

2

TTL

MIL-STD-883 Class B (Modified)

4

5

5

FLATPACK

FL14,.3

20 ns

Gates

1.27 mm

125 Cel

-55 Cel

DUAL

R-XDFP-F14

5.5 V

Not Qualified

4.5 V

80019012A

Texas Instruments

AND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

4

TTL

MIL-STD-883

2

TUBE

5

5

50 pF

CHIP CARRIER

LCC20,.35SQ

35 ns

8 Amp

Gate

1.27 mm

125 Cel

OPEN-COLLECTOR

-55 Cel

Tin/Lead (Sn/Pb)

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Qualified

4.5 V

.03 mA

e0

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

8404801CX

Texas Instruments

AND GATE

MILITARY

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

3

CMOS

MIL-PRF-38535

3

5

IN-LINE

150 ns

2.54 mm

125 Cel

-55 Cel

DUAL

R-GDIP-T14

6 V

5.08 mm

7.62 mm

Qualified

2 V

NOT APPLICABLE

NOT APPLICABLE

19.56 mm

HC/UH

M38510/31004SDA

Texas Instruments

AND GATE

MILITARY

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

YES

4

TTL

MIL-PRF-38535 Class S

2

TUBE

5

5

50 pF

FLATPACK

FL14,.3

30 ns

16 Amp

Gate

1.27 mm

125 Cel

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-GDFP-F14

5.5 V

2.03 mm

5.97 mm

Qualified

4.5 V

8.8 mA

e0

NOT SPECIFIED

NOT SPECIFIED

9.21 mm

LS

54AC11008FK

Texas Instruments

AND GATE

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

NO

YES

4

CMOS

2

5

3.3/5

50 pF

CHIP CARRIER

LCC20,.35SQ

6.8 ns

24 Amp

Gates

1.27 mm

125 Cel

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

3 V

CENTER PIN VCC AND GND

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

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.