IDENTITY COMPARATOR Digital Arithmetic Circuits 805

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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

SN74HC688DWR

Texas Instruments

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

TR

5

2/6

50 pF

SMALL OUTLINE

SOP20,.4

265 ns

5.2 Amp

Arithmetic Circuits

1.27 mm

85 Cel

-40 Cel

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

DUAL

R-PDSO-G20

1

6 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

2 V

.08 mA

CASCADABLE

e4

NOT SPECIFIED

260

12.8 mm

HC/UH

SN74HC688DW

Texas Instruments

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

TUBE

5

2/6

50 pF

SMALL OUTLINE

SOP20,.4

265 ns

5.2 Amp

Arithmetic Circuit

1.27 mm

85 Cel

-40 Cel

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

DUAL

R-PDSO-G20

1

6 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

2 V

.08 mA

CASCADABLE

e4

NOT SPECIFIED

260

12.8 mm

HC/UH

SN74HC688DWRE4

Texas Instruments

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

TR

5

2/6

50 pF

SMALL OUTLINE

SOP20,.4

265 ns

5.2 Amp

Arithmetic Circuit

1.27 mm

85 Cel

-40 Cel

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

DUAL

R-PDSO-G20

1

6 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

2 V

.08 mA

CASCADABLE

e4

NOT SPECIFIED

260

12.8 mm

HC/UH

SN74HC688DWRG4

Texas Instruments

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

TR

5

2/6

50 pF

SMALL OUTLINE

SOP20,.4

265 ns

5.2 Amp

Arithmetic Circuits

1.27 mm

85 Cel

-40 Cel

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

DUAL

R-PDSO-G20

1

6 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

2 V

.08 mA

e4

NOT SPECIFIED

260

12.8 mm

HC/UH

74HCT688N

NXP Semiconductors

IDENTITY COMPARATOR

AUTOMOTIVE

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

8

5

5

50 pF

IN-LINE

DIP20,.3

51 ns

Arithmetic Circuits

2.54 mm

125 Cel

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T20

5.5 V

4.2 mm

7.62 mm

Not Qualified

INVERTED

4.5 V

CASCADABLE

e4

26.73 mm

HCT

SN74HC688DWG4

Texas Instruments

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

5

2/6

SMALL OUTLINE

SOP20,.4

265 ns

Arithmetic Circuits

1.27 mm

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G20

1

6 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

2 V

e4

30

260

12.8 mm

HC/UH

SN74HC688N

Texas Instruments

IDENTITY COMPARATOR

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

8

TUBE

5

2/6

50 pF

IN-LINE

DIP20,.3

265 ns

5.2 Amp

Arithmetic Circuits

2.54 mm

85 Cel

-40 Cel

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

DUAL

R-PDIP-T20

6 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

2 V

.08 mA

CASCADABLE

e4

NOT SPECIFIED

NOT SPECIFIED

25.4 mm

HC/UH

74HC688D,653

NXP Semiconductors

IDENTITY COMPARATOR

AUTOMOTIVE

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

5

2/6

50 pF

SMALL OUTLINE

SOP20,.4

51 ns

Arithmetic Circuits

1.27 mm

125 Cel

-40 Cel

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

DUAL

R-PDSO-G20

1

6 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

2 V

CASCADABLE

e4

30

260

12.8 mm

HC/UH

74FCT521CTSOG8

Renesas Electronics

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

TR

5

5

SMALL OUTLINE

SOP20,.4

4.5 ns

Arithmetic Circuits

1.27 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G20

1

5.25 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.75 V

CASCADABLE

e3

30

260

12.8 mm

FCT

SN74HC688NE4

Texas Instruments

IDENTITY COMPARATOR

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

8

TUBE

5

2/6

50 pF

IN-LINE

DIP20,.3

265 ns

5.2 Amp

Arithmetic Circuits

2.54 mm

85 Cel

-40 Cel

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

DUAL

R-PDIP-T20

6 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

2 V

.08 mA

e4

NOT SPECIFIED

NOT SPECIFIED

25.4 mm

HC/UH

74FCT521ATQG8

Renesas Electronics

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

TR

5

5

50 pF

SMALL OUTLINE, SHRINK PITCH

SSOP20,.25

7.2 ns

Arithmetic Circuits

.635 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G20

1

5.25 V

1.75 mm

3.9116 mm

Not Qualified

INVERTED

4.75 V

CASCADABLE

e3

30

260

8.65 mm

FCT

74HC688D,652

NXP Semiconductors

IDENTITY COMPARATOR

AUTOMOTIVE

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

5

2/6

50 pF

SMALL OUTLINE

SOP20,.4

51 ns

Arithmetic Circuits

1.27 mm

125 Cel

-40 Cel

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

DUAL

R-PDSO-G20

1

6 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

2 V

CASCADABLE

e4

30

260

12.8 mm

HC/UH

SN74ALS518DW

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

SN74HC688DWE4

Texas Instruments

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

5

2/6

SMALL OUTLINE

SOP20,.4

265 ns

Arithmetic Circuits

1.27 mm

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G20

1

6 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

2 V

CASCADABLE

e4

30

260

12.8 mm

HC/UH

74FCT521ATQG

Renesas Electronics

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

TUBE

5

5

50 pF

SMALL OUTLINE, SHRINK PITCH

SSOP20,.25

7.2 ns

Arithmetic Circuits

.635 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G20

1

5.25 V

1.75 mm

3.9116 mm

Not Qualified

INVERTED

4.75 V

CASCADABLE

e3

30

260

8.65 mm

FCT

74HC688DB,118

NXP Semiconductors

IDENTITY COMPARATOR

AUTOMOTIVE

GULL WING

20

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

5

2/6

50 pF

SMALL OUTLINE, SHRINK PITCH

SSOP20,.3

51 ns

Arithmetic Circuits

.65 mm

125 Cel

-40 Cel

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

DUAL

R-PDSO-G20

1

6 V

2 mm

5.3 mm

Not Qualified

INVERTED

2 V

CASCADABLE

e4

30

260

7.2 mm

HC/UH

IDT74FCT521ATQG8

Renesas Electronics

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

5

50 pF

SMALL OUTLINE, SHRINK PITCH

7.2 ns

.635 mm

85 Cel

-40 Cel

MATTE TIN

DUAL

R-PDSO-G20

1

5.25 V

1.75 mm

3.9116 mm

Not Qualified

INVERTED

4.75 V

CASCADABLE

e3

40

260

8.65 mm

FCT

74FCT521ATSOG8

Renesas Electronics

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

TR

5

5

50 pF

SMALL OUTLINE

SOP20,.4

7.2 ns

Arithmetic Circuits

1.27 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G20

1

5.25 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.75 V

CASCADABLE

e3

30

260

12.8 mm

FCT

74FCT521CTSOG

Renesas Electronics

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

TUBE

5

5

SMALL OUTLINE

SOP20,.4

4.5 ns

Arithmetic Circuits

1.27 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G20

1

5.25 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.75 V

CASCADABLE

e3

30

260

12.8 mm

FCT

74HCT688D,653

NXP Semiconductors

IDENTITY COMPARATOR

AUTOMOTIVE

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

5

5

50 pF

SMALL OUTLINE

SOP20,.4

51 ns

Arithmetic Circuits

1.27 mm

125 Cel

-40 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

CASCADABLE

e4

30

260

12.8 mm

HCT

SN74ALS521DW

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

3-STATE

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

19 mA

WITH PULL-UP RESISTORS ON Q INPUTS; CASCADABLE

e4

30

260

12.8 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

SN74LS688NSRE4

Texas Instruments

IDENTITY COMPARATOR

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

5

5

SMALL OUTLINE

SOP20,.3

23 ns

Arithmetic Circuits

1.27 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G20

1

5.25 V

2 mm

5.3 mm

Not Qualified

INVERTED

4.85 V

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

e4

30

260

12.6 mm

LS

IDT74FCT521CTSOG8

Renesas Electronics

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

5

50 pF

SMALL OUTLINE

4.5 ns

1.27 mm

85 Cel

-40 Cel

MATTE TIN

DUAL

R-PDSO-G20

1

5.25 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.75 V

CASCADABLE

e3

40

260

12.8 mm

FCT

74AC521SC

National Semiconductor

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

3

3.3/5

50 pF

SMALL OUTLINE

SOP20,.4

12.5 ns

Arithmetic Circuits

1.27 mm

85 Cel

-40 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G20

6 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

2 V

CASCADABLE

e0

12.8 mm

AC

IDT74FCT521ATSOG8

Renesas Electronics

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

5

50 pF

SMALL OUTLINE

7.2 ns

1.27 mm

85 Cel

-40 Cel

MATTE TIN

DUAL

R-PDSO-G20

1

5.25 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.75 V

CASCADABLE

e3

40

260

12.8 mm

FCT

JM38510/34701BRA

Texas Instruments

IDENTITY COMPARATOR

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

TTL

MIL-M-38510 Class B

8

TUBE

5

50 pF

IN-LINE

14 ns

20 Amp

2.54 mm

125 Cel

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-GDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.5 V

32 mA

e0

NOT SPECIFIED

NOT SPECIFIED

24.195 mm

F/FAST

SN74ALS520N

Texas Instruments

IDENTITY COMPARATOR

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

TUBE

5

5

50 pF

IN-LINE

DIP20,.3

20 ns

24 Amp

Arithmetic Circuit

2.54 mm

70 Cel

3-STATE

0 Cel

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

DUAL

R-PDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.5 V

19 mA

WITH PULL-UP RESISTORS ON Q INPUTS; CASCADABLE

e4

NOT SPECIFIED

NOT SPECIFIED

25.4 mm

ALS

74HCT688N,652

NXP Semiconductors

IDENTITY COMPARATOR

AUTOMOTIVE

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

8

5

5

50 pF

IN-LINE

DIP20,.3

51 ns

Arithmetic Circuits

2.54 mm

125 Cel

-40 Cel

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

DUAL

R-PDIP-T20

5.5 V

4.2 mm

7.62 mm

Not Qualified

INVERTED

4.5 V

CASCADABLE

e4

30

260

26.73 mm

HCT

MM74HCT688N

National Semiconductor

IDENTITY COMPARATOR

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

8

5

5

50 pF

IN-LINE

DIP20,.3

44 ns

Arithmetic Circuits

2.54 mm

85 Cel

-40 Cel

TIN LEAD

DUAL

R-PDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.5 V

CASCADABLE

e0

26.075 mm

HCT

74HCT688D,652

NXP Semiconductors

IDENTITY COMPARATOR

AUTOMOTIVE

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

5

5

50 pF

SMALL OUTLINE

SOP20,.4

51 ns

Arithmetic Circuits

1.27 mm

125 Cel

-40 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

CASCADABLE

e4

30

260

12.8 mm

HCT

SN74ALS521N

Texas Instruments

IDENTITY COMPARATOR

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

TUBE

5

5

50 pF

IN-LINE

DIP20,.3

20 ns

24 Amp

Arithmetic Circuits

2.54 mm

70 Cel

3-STATE

0 Cel

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

DUAL

R-PDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.5 V

19 mA

WITH PULL-UP RESISTORS ON Q INPUTS; CASCADABLE

e4

NOT SPECIFIED

NOT SPECIFIED

25.4 mm

ALS

QS74FCT521ATSO

Integrated Device Technology

IDENTITY COMPARATOR

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

5

5

SMALL OUTLINE

SOP20,.4

Arithmetic Circuits

1.27 mm

70 Cel

0 Cel

TIN LEAD

DUAL

R-PDSO-G20

1

Not Qualified

e0

20

225

SN74HC688PWR

Texas Instruments

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

TR

5

2/6

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

265 ns

5.2 Amp

Arithmetic Circuits

.65 mm

85 Cel

-40 Cel

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

DUAL

R-PDSO-G20

1

6 V

1.2 mm

4.4 mm

Not Qualified

INVERTED

2 V

.08 mA

CASCADABLE

e4

NOT SPECIFIED

260

6.5 mm

HC/UH

SN74HC688PWRE4

Texas Instruments

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

TR

5

2/6

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

265 ns

5.2 Amp

Arithmetic Circuits

.65 mm

85 Cel

-40 Cel

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

DUAL

R-PDSO-G20

1

6 V

1.2 mm

4.4 mm

Not Qualified

INVERTED

2 V

.08 mA

CASCADABLE

e4

NOT SPECIFIED

260

6.5 mm

HC/UH

SN74HC688PWRG4

Texas Instruments

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

TR

5

2/6

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

265 ns

5.2 Amp

Arithmetic Circuits

.65 mm

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G20

1

6 V

1.2 mm

4.4 mm

Not Qualified

INVERTED

2 V

.08 mA

CASCADABLE

e4

30

260

6.5 mm

HC

SN74HC688PWTG4

Texas Instruments

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

TR

5

2/6

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

265 ns

5.2 Amp

Arithmetic Circuits

.65 mm

85 Cel

-40 Cel

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

DUAL

R-PDSO-G20

1

6 V

1.2 mm

4.4 mm

Not Qualified

INVERTED

2 V

.08 mA

e4

NOT SPECIFIED

260

6.5 mm

HC/UH

TC74AC521FW-ELP

Toshiba

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

5

3.3/5

50 pF

SMALL OUTLINE

SOP20,.4

12.5 ns

Arithmetic Circuits

1.27 mm

85 Cel

-40 Cel

DUAL

R-PDSO-G20

5.5 V

2.7 mm

7.5 mm

Not Qualified

INVERTED

2 V

CASCADABLE; 50 OHM LINE DRIVE CAPABILITY FOR < = 10MS ONE O/P AT A TIME

NOT SPECIFIED

240

12.8 mm

AC

74F521PC

Texas Instruments

IDENTITY COMPARATOR

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

IN-LINE

11 ns

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T20

5.5 V

5.08 mm

7.62 mm

INVERTED

4.5 V

26.075 mm

F/FAST

74FCT521ATSOG

Renesas Electronics

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

TUBE

5

5

50 pF

SMALL OUTLINE

SOP20,.4

7.2 ns

Arithmetic Circuits

1.27 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G20

1

5.25 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.75 V

CASCADABLE

e3

30

260

12.8 mm

FCT

74FCT521CTQG8

Renesas Electronics

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

TR

5

5

50 pF

SMALL OUTLINE, SHRINK PITCH

SSOP20,.25

4.5 ns

Arithmetic Circuits

.635 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G20

1

5.25 V

1.75 mm

3.9116 mm

Not Qualified

INVERTED

4.75 V

CASCADABLE

e3

30

260

8.65 mm

FCT

74HC688PW,118

NXP Semiconductors

IDENTITY COMPARATOR

AUTOMOTIVE

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

5

2/6

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

51 ns

Arithmetic Circuits

.65 mm

125 Cel

-40 Cel

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

DUAL

R-PDSO-G20

1

6 V

1.1 mm

4.4 mm

Not Qualified

INVERTED

2 V

CASCADABLE

e4

30

260

6.5 mm

HC/UH

IDT74FCT521CTSO

Integrated Device Technology

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

5

5

50 pF

SMALL OUTLINE

SOP20,.4

4.5 ns

Arithmetic Circuits

1.27 mm

85 Cel

-40 Cel

TIN LEAD

DUAL

R-PDSO-G20

1

5.25 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.75 V

CASCADABLE

e0

20

225

12.8 mm

FCT

5962-8979302SA

National Semiconductor

IDENTITY COMPARATOR

MILITARY

FLAT

20

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

1

CMOS

MIL-STD-883

8

5

5

FLATPACK

FL20,.3

12 ns

Arithmetic Circuits

1.27 mm

125 Cel

-55 Cel

TIN LEAD

DUAL

R-GDFP-F20

5.5 V

2.286 mm

6.731 mm

Not Qualified

INVERTED

4.5 V

e0

ACT

74FCT521CTQG

Renesas Electronics

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

TUBE

5

5

50 pF

SMALL OUTLINE, SHRINK PITCH

SSOP20,.25

4.5 ns

Arithmetic Circuits

.635 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G20

1

5.25 V

1.75 mm

3.9116 mm

Not Qualified

INVERTED

4.75 V

CASCADABLE

e3

30

260

8.65 mm

FCT

74HCT688D

NXP Semiconductors

IDENTITY COMPARATOR

AUTOMOTIVE

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

5

5

50 pF

SMALL OUTLINE

SOP20,.4

51 ns

Arithmetic Circuits

1.27 mm

125 Cel

-40 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

CASCADABLE

e4

30

260

12.8 mm

HCT

AM25LS2521/BSA

Advanced Micro Devices

IDENTITY COMPARATOR

MILITARY

FLAT

20

DFP

RECTANGULAR

CERAMIC

YES

TTL

38535Q/M;38534H;883B

5

5

FLATPACK

FL20,.3

Arithmetic Circuits

1.27 mm

125 Cel

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDFP-F20

Not Qualified

e0

IDT74FCT521ATQG

Renesas Electronics

IDENTITY COMPARATOR

INDUSTRIAL

GULL WING

20

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

8

5

5

50 pF

SMALL OUTLINE, SHRINK PITCH

SSOP20,.25

7.2 ns

Arithmetic Circuits

.635 mm

85 Cel

-40 Cel

MATTE TIN

DUAL

R-PDSO-G20

1

5.25 V

1.75 mm

3.9116 mm

Not Qualified

INVERTED

4.75 V

CASCADABLE

e3

40

260

8.65 mm

FCT

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.