COMMERCIAL Digital Arithmetic Circuits 43

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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 Bits 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 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

SN74AS181BNT

Texas Instruments

ARITHMETIC LOGIC UNIT

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

4

5

50 pF

IN-LINE

DIP24,.3

15 ns

Arithmetic Circuits

2.54 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T24

5.5 V

5.08 mm

7.62 mm

Not Qualified

4.5 V

117 mA

CAPABLE OF 16 LOGIC & ARITHMETIC OPERATIONS; INTERNAL CARRY AND HIGHER ORDER LOOKAHEAD

e4

31.64 mm

AS

SN74F283D

Texas Instruments

ADDER/SUBTRACTOR

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

TUBE

5

5

50 pF

SMALL OUTLINE

SOP16,.25

10.5 ns

20 Amp

Arithmetic Circuits

1.27 mm

70 Cel

0 Cel

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

DUAL

R-PDSO-G16

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

TRUE

4.5 V

55 mA

FULL ADDER; WITH INTERNAL CARRY LOOKAHEAD; PERMITS RIPPLE CARRY CASCADING

e4

NOT SPECIFIED

260

9.9 mm

F/FAST

SN74LS348DR

Texas Instruments

ENCODER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

5

5

15 pF

SMALL OUTLINE

SOP16,.25

21 ns

Arithmetic Circuits

1.27 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDSO-G16

5.25 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

4.75 V

25 mA

8 TO 3 LINE PRIORITY ENCODER

NOT SPECIFIED

NOT SPECIFIED

9.9 mm

LS

SN74AS885NT3

Texas Instruments

MAGNITUDE COMPARATOR

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

5

IN-LINE

DIP24,.3

17.5 ns

Arithmetic Circuits

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T24

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

B PORT WITH STANDARD INPUTS; WITH ARITHMETIC COMPARISON; WITH A < B & A > B OUTPUTS

NOT SPECIFIED

NOT SPECIFIED

31.64 mm

AS

SN74LS381AN

Texas Instruments

ARITHMETIC LOGIC UNIT

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

4

5

15 pF

IN-LINE

DIP20,.3

23 ns

Arithmetic Circuits

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T20

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

65 mA

CAPABLE OF 3 LOGIC & ARITHMETIC OPERATIONS

NOT SPECIFIED

NOT SPECIFIED

24.325 mm

LS

SN74LS630N

Texas Instruments

ERROR DETECTION AND CORRECTION CIRCUIT

COMMERCIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

16

5

45 pF

IN-LINE

DIP28,.6

65 ns

Arithmetic Circuits

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T28

5.25 V

5.08 mm

15.24 mm

Not Qualified

4.75 V

230 mA

NOT SPECIFIED

NOT SPECIFIED

36.32 mm

LS

SN74LS682DWR

Texas Instruments

MAGNITUDE COMPARATOR

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

YES

1

TTL

8

TR

5

5

45 pF

SMALL OUTLINE

SOP20,.4

30 ns

24 Amp

Arithmetic Circuit

1.27 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G20

1

5.25 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.85 V

70 mA

WITH PULL-UP RESISTORS ON B INPUTS; WITH A = B & A > B OUTPUTS

e4

30

260

12.8 mm

LS

SN74LS261D

Texas Instruments

MULTIPLIER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

5

15 pF

SMALL OUTLINE

SOP16,.25

37 ns

Other Logic ICs

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G16

5.25 V

1.75 mm

3.9 mm

Not Qualified

4.75 V

40 mA

2'S COMPLEMENT RECODE MULTIPLIER; PRODUCT RECODED AS BASE-4 NUMBER; LATCHED OUTPUTS

NOT SPECIFIED

NOT SPECIFIED

9.9 mm

LS

SN74180N

Texas Instruments

PARITY GENERATOR/CHECKER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

5

15 pF

IN-LINE

DIP14,.3

68 ns

Arithmetic Circuits

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.75 V

56 mA

CONFIGURABLE ODD/EVEN PARITY GENERATOR; WITH OPTIONAL 9TH BIT OR PARITY CHECKER INPUT

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

TTL/H/L

SN74ALS677ADW

Texas Instruments

ADDRESS COMPARATOR

COMMERCIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

16

5

50 pF

SMALL OUTLINE

SOP24,.4

38 ns

Arithmetic Circuits

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G24

5.5 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.5 V

33 mA

WITH INHIBIT

NOT SPECIFIED

NOT SPECIFIED

15.4 mm

ALS

SN74LS382AN

Texas Instruments

ARITHMETIC LOGIC UNIT

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

4

5

5

IN-LINE

DIP20,.3

39 ns

Arithmetic Circuits

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T20

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

CAPABLE OF 3 LOGIC & ARITHMETIC OPERATIONS

NOT SPECIFIED

NOT SPECIFIED

24.325 mm

LS

SN74ALS520DWR

Texas Instruments

IDENTITY COMPARATOR

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

5

5

50 pF

SMALL OUTLINE

SOP20,.4

20 ns

Arithmetic Circuits

1.27 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDSO-G20

5.5 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.5 V

19 mA

WITH PULL-UP RESISTORS ON Q INPUTS; CASCADABLE

NOT SPECIFIED

NOT SPECIFIED

12.8 mm

ALS

SN74AS885DWR

Texas Instruments

MAGNITUDE COMPARATOR

COMMERCIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

5

5

50 pF

SMALL OUTLINE

SOP24,.4

15 ns

Arithmetic Circuits

1.27 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G24

1

5.5 V

2.65 mm

7.5 mm

Not Qualified

TRUE

4.5 V

210 mA

B PORT WITH STANDARD INPUTS; WITH ARITHMETIC COMPARISON; WITH A < B & A > B OUTPUTS

e4

30

260

15.4 mm

AS

SN74AS286DR

Texas Instruments

PARITY GENERATOR/CHECKER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

9

5

5

50 pF

SMALL OUTLINE

SOP14,.25

14 ns

Arithmetic Circuits

1.27 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDSO-G14

5.5 V

1.75 mm

3.9 mm

Not Qualified

TRUE

4.5 V

43 mA

EVEN PARITY GENERATOR; ODD/EVEN PARITY CHECKER; WITH PARITY I/O AND ACTIVE LOW PARITY ERROR OUTPUT

NOT SPECIFIED

NOT SPECIFIED

8.65 mm

AS

SN74ACT8832AGB

Texas Instruments

ARITHMETIC LOGIC UNIT

COMMERCIAL

PIN/PEG

208

PGA

SQUARE

CERAMIC

NO

CMOS

5

5

GRID ARRAY

PGA208,17X17

Arithmetic Circuits

2.54 mm

70 Cel

0 Cel

PERPENDICULAR

S-XPGA-P208

Not Qualified

SN74AS866AFN

Texas Instruments

MAGNITUDE COMPARATOR

COMMERCIAL

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

8

5

CHIP CARRIER

LDCC28,.5SQ

17.5 ns

Arithmetic Circuits

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J28

5.5 V

4.57 mm

11.5062 mm

Not Qualified

TRUE

4.5 V

NOT SPECIFIED

NOT SPECIFIED

11.5062 mm

AS

SN74ALS688DWG4

Texas Instruments

IDENTITY COMPARATOR

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

TUBE

5

5

50 pF

SMALL OUTLINE

SOP20,.4

20 ns

24 Amp

Arithmetic Circuits

1.27 mm

70 Cel

0 Cel

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

DUAL

R-PDSO-G20

1

5.5 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.5 V

19 mA

CASCADABLE

e4

NOT SPECIFIED

260

12.8 mm

ALS

SN74LS148DG4

Texas Instruments

ENCODER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

TUBE

5

5

15 pF

SMALL OUTLINE

SOP16,.25

36 ns

Arithmetic Circuits

1.27 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G16

1

5.25 V

1.75 mm

3.9 mm

Not Qualified

INVERTED

4.75 V

60 mA

8 TO 3 LINE PRIORITY ENCODER; CASCADABLE; WITH GROUP SELECT OUTPUT

e4

30

260

9.9 mm

LS

SN74LS682DWRG4

Texas Instruments

MAGNITUDE COMPARATOR

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

YES

1

TTL

8

TR

5

5

45 pF

SMALL OUTLINE

SOP20,.4

30 ns

24 Amp

Arithmetic Circuits

1.27 mm

70 Cel

0 Cel

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

DUAL

R-PDSO-G20

1

5.25 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.85 V

70 mA

e4

NOT SPECIFIED

260

12.8 mm

LS

SN74LS688DWG4

Texas Instruments

IDENTITY COMPARATOR

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

5

5

SMALL OUTLINE

SOP20,.4

23 ns

Arithmetic Circuits

1.27 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G20

1

5.25 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.85 V

e4

30

260

12.8 mm

LS

SN74ALS520DWRG4

Texas Instruments

IDENTITY COMPARATOR

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

5

5

SMALL OUTLINE

SOP20,.4

20 ns

Arithmetic Circuits

1.27 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDSO-G20

5.5 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.5 V

WITH PULL-UP RESISTORS ON Q INPUTS; CASCADABLE

NOT SPECIFIED

NOT SPECIFIED

12.8 mm

ALS

N74F280BD,602

NXP Semiconductors

PARITY GENERATOR/CHECKER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

9

5

5

50 pF

SMALL OUTLINE

SOP14,.25

11.1 ns

Arithmetic Circuits

1.27 mm

70 Cel

0 Cel

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

DUAL

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

4.5 V

35 mA

ODD/EVEN PARITY GENERATOR

e4

30

260

8.65 mm

F/FAST

N74F280BD,623

NXP Semiconductors

PARITY GENERATOR/CHECKER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

9

5

50 pF

SMALL OUTLINE

11.1 ns

1.27 mm

70 Cel

0 Cel

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

DUAL

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

4.5 V

35 mA

ODD/EVEN PARITY GENERATOR

e4

30

260

8.65 mm

F/FAST

N74F280BN,602

NXP Semiconductors

PARITY GENERATOR/CHECKER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

9

5

5

50 pF

IN-LINE

DIP14,.3

11.1 ns

Arithmetic Circuits

2.54 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T14

5.5 V

4.2 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.5 V

35 mA

ODD/EVEN PARITY GENERATOR

e4

19.025 mm

F/FAST

N74F283D,602

NXP Semiconductors

ADDER/SUBTRACTOR

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

5

5

50 pF

SMALL OUTLINE

SOP16,.25

10.5 ns

Arithmetic Circuits

1.27 mm

70 Cel

0 Cel

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

DUAL

R-PDSO-G16

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

TRUE

4.5 V

55 mA

FULL ADDER; WITH INTERNAL CARRY LOOKAHEAD; PERMITS RIPPLE CARRY CASCADING

e4

30

260

9.9 mm

F/FAST

N74F283D,623

NXP Semiconductors

ADDER/SUBTRACTOR

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

5

5

50 pF

SMALL OUTLINE

SOP16,.25

10.5 ns

Arithmetic Circuits

1.27 mm

70 Cel

0 Cel

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

DUAL

R-PDSO-G16

1

5.5 V

Not Qualified

TRUE

4.5 V

55 mA

FULL ADDER; WITH INTERNAL CARRY LOOKAHEAD; PERMITS RIPPLE CARRY CASCADING

e4

30

260

F/FAST

N74F283N,602

NXP Semiconductors

ADDER/SUBTRACTOR

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

4

5

5

50 pF

IN-LINE

DIP16,.3

10.5 ns

Arithmetic Circuits

2.54 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T16

5.5 V

4.2 mm

7.62 mm

Not Qualified

TRUE

4.5 V

55 mA

FULL ADDER; WITH INTERNAL CARRY LOOKAHEAD; PERMITS RIPPLE CARRY CASCADING

e4

19.025 mm

F/FAST

N74F521D,602

NXP Semiconductors

IDENTITY COMPARATOR

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

5

5

50 pF

SMALL OUTLINE

SOP20,.4

11 ns

Arithmetic Circuits

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

INVERTED

4.5 V

36 mA

CASCADABLE

e4

12.8 mm

F/FAST

N74F521D,623

NXP Semiconductors

IDENTITY COMPARATOR

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

5

50 pF

SMALL OUTLINE

11 ns

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G20

5.5 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.5 V

36 mA

CASCADABLE

NOT SPECIFIED

NOT SPECIFIED

12.8 mm

F/FAST

N74F521N,602

NXP Semiconductors

IDENTITY COMPARATOR

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

5

50 pF

IN-LINE

DIP20,.3

11 ns

Arithmetic Circuits

2.54 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T20

5.5 V

4.2 mm

7.62 mm

Not Qualified

INVERTED

4.5 V

36 mA

CASCADABLE

e4

26.73 mm

F/FAST

N74F85D,512

NXP Semiconductors

MAGNITUDE COMPARATOR

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

5

5

50 pF

SMALL OUTLINE

SOP16,.4

15.5 ns

Arithmetic Circuits

1.27 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G16

5.5 V

2.65 mm

7.5 mm

Not Qualified

TRUE

4.5 V

54 mA

CASCADABLE

e4

10.3 mm

F/FAST

N74F85N,602

NXP Semiconductors

MAGNITUDE COMPARATOR

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

4

5

5

50 pF

IN-LINE

DIP16,.3

15.5 ns

Arithmetic Circuits

2.54 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T16

1

5.5 V

4.2 mm

7.62 mm

Not Qualified

TRUE

4.5 V

54 mA

CASCADABLE

e4

19.025 mm

F/FAST

SN74ALS688NSR

Texas Instruments

IDENTITY COMPARATOR

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

TR

5

5

50 pF

SMALL OUTLINE

SOP20,.3

20 ns

24 Amp

Arithmetic Circuits

1.27 mm

70 Cel

0 Cel

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

DUAL

R-PDSO-G20

1

5.5 V

2 mm

5.3 mm

Not Qualified

INVERTED

4.5 V

19 mA

CASCADABLE

e4

NOT SPECIFIED

260

12.6 mm

ALS

SN74LS688NSR

Texas Instruments

IDENTITY COMPARATOR

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

YES

1

TTL

8

TR

5

5

45 pF

SMALL OUTLINE

SOP20,.3

23 ns

24 Amp

Arithmetic Circuits

1.27 mm

70 Cel

0 Cel

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

DUAL

R-PDSO-G20

1

5.25 V

2 mm

5.3 mm

Not Qualified

INVERTED

4.85 V

68 mA

WITH PULL-UP RESISTORS ON Q INPUTS; WITH P = Q & P > Q OUTPUTS

e4

NOT SPECIFIED

260

12.6 mm

LS

SN74ALS518DWE4

Texas Instruments

IDENTITY COMPARATOR

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

TUBE

5

5

50 pF

SMALL OUTLINE

SOP20,.4

33 ns

24 Amp

Arithmetic Circuits

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G20

1

5.5 V

2.65 mm

7.5 mm

Not Qualified

TRUE

4.5 V

17 mA

WITH PULL-UP RESISTORS ON Q INPUTS; CASCADABLE

e4

30

260

12.8 mm

ALS

SN74ALS520DWRE4

Texas Instruments

IDENTITY COMPARATOR

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

5

5

50 pF

SMALL OUTLINE

SOP20,.4

20 ns

Arithmetic Circuits

1.27 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDSO-G20

5.5 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.5 V

19 mA

WITH PULL-UP RESISTORS ON Q INPUTS; CASCADABLE

NOT SPECIFIED

NOT SPECIFIED

12.8 mm

ALS

SN74ALS521DWRE4

Texas Instruments

IDENTITY COMPARATOR

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

TR

5

5

50 pF

SMALL OUTLINE

SOP20,.4

20 ns

24 Amp

Arithmetic Circuit

1.27 mm

70 Cel

3-STATE

0 Cel

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

DUAL

R-PDSO-G20

1

5.5 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.5 V

19 mA

WITH PULL-UP RESISTORS ON Q INPUTS; CASCADABLE

e4

NOT SPECIFIED

260

12.8 mm

ALS

SN74ALS679DWE4

Texas Instruments

ADDRESS COMPARATOR

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

12

5

50 pF

SMALL OUTLINE

SOP20,.4

35 ns

Arithmetic Circuits

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G20

5.5 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.5 V

28 mA

WITH INHIBIT

NOT SPECIFIED

NOT SPECIFIED

12.8 mm

ALS

SN74AS280DE4

Texas Instruments

PARITY GENERATOR/CHECKER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

9

5

5

50 pF

SMALL OUTLINE

SOP14,.25

12 ns

Arithmetic Circuits

1.27 mm

70 Cel

3-STATE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

4.5 V

35 mA

ODD/EVEN PARITY GENERATOR

e4

30

260

8.65 mm

AS

SN74LS280DRE4

Texas Instruments

PARITY GENERATOR/CHECKER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

9

5

5

15 pF

SMALL OUTLINE

SOP14,.25

50 ns

Arithmetic Circuits

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G14

5.25 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

4.75 V

27 mA

ODD/EVEN PARITY GENERATOR

NOT SPECIFIED

NOT SPECIFIED

8.65 mm

LS

SN74LS283NE4

Texas Instruments

ADDER/SUBTRACTOR

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

4

TUBE

5

5

15 pF

IN-LINE

DIP16,.3

24 ns

8 Amp

Arithmetic Circuits

2.54 mm

70 Cel

0 Cel

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

DUAL

R-PDIP-T16

1

5.25 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.75 V

39 mA

FULL ADDER; WITH INTERNAL CARRY LOOKAHEAD; PERMITS RIPPLE CARRY CASCADING

e4

NOT SPECIFIED

260

19.305 mm

LS

SN74LS688NE4

Texas Instruments

IDENTITY COMPARATOR

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

YES

NO

1

TTL

8

TUBE

5

5

45 pF

IN-LINE

DIP20,.3

23 ns

24 Amp

Arithmetic Circuits

2.54 mm

70 Cel

0 Cel

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

DUAL

R-PDIP-T20

5.25 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.85 V

65 mA

CASCADABLE

e4

NOT SPECIFIED

NOT SPECIFIED

25.4 mm

LS

SN74LS85DRE4

Texas Instruments

MAGNITUDE COMPARATOR

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

YES

1

TTL

4

TR

5

5

15 pF

SMALL OUTLINE

SOP16,.25

45 ns

16 Amp

Arithmetic Circuits

1.27 mm

70 Cel

0 Cel

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

DUAL

R-PDSO-G16

1

5.25 V

1.75 mm

3.9 mm

Not Qualified

TRUE

4.75 V

20 mA

CASCADABLE

e4

NOT SPECIFIED

260

9.9 mm

LS

Digital Arithmetic Circuits

Digital arithmetic circuits are electronic circuits designed to perform arithmetic operations on digital signals. These circuits are essential components of digital systems, such as microprocessors, digital signal processors, and programmable logic devices.

Digital arithmetic circuits can perform various arithmetic operations, including addition, subtraction, multiplication, division, and modulo arithmetic. These operations are performed using binary arithmetic, where numbers are represented using the binary number system (0s and 1s).

Adders are one of the most commonly used digital arithmetic circuits. They are used to perform binary addition, where two binary numbers are added to produce a sum. Adders can be designed using various techniques, including ripple carry adders, carry look-ahead adders, and carry select adders.

Subtractors are also commonly used digital arithmetic circuits. They are used to perform binary subtraction, where one binary number is subtracted from another to produce a difference. Subtractors can be designed using techniques, including ripple borrow subtractors, borrow look-ahead subtractors, and borrow select subtractors.

Multiplexers and demultiplexers are digital circuits that can be used for various arithmetic operations, such as multiplication and division. Multiplexers can be used to select one of several input signals based on a control signal, while demultiplexers can be used to distribute a single input signal to several outputs based on a control signal.

Digital arithmetic circuits can also be designed using programmable logic devices, such as field-programmable gate arrays (FPGAs) and complex programmable logic devices (CPLDs). These devices can be programmed to implement various arithmetic operations and can be reprogrammed to adapt to changing system requirements.