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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 Maximum Frequency At Nominal Supply Technology Screening Level No. of Bits Load or Preset Input Packing Method Nominal Supply Voltage / Vsup (V) Power Supplies (V) Load Capacitance (CL) Package Style (Meter) Package Equivalence Code Operation Mode Propagation Delay (tpd) Maximum I (ol) Sub-Category Terminal Pitch Maximum Operating Temperature Count Direction Output Characteristics Trigger Type Minimum Operating Temperature Terminal Finish Terminal Position Minimum fmax JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Supply Voltage (Vsup) Maximum Seated Height Width Qualification 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

SN74191J-00

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

TTL

4

YES

5

15 pF

IN-LINE

SYNCHRONOUS

36 ns

2.54 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

DUAL

20 MHz

R-GDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

105 mA

19.56 mm

TTL/H/L

SN74LS90N1

Texas Instruments

DECADE COUNTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

NO

5

5

IN-LINE

DIP14,.3

ASYNCHRONOUS

Counters

2.54 mm

70 Cel

UP

0 Cel

DUAL

R-PDIP-T14

Not Qualified

SN74S197J-00

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

2

TTL

3

YES

5

15 pF

IN-LINE

ASYNCHRONOUS

43 ns

2.54 mm

70 Cel

UP

NEGATIVE EDGE

0 Cel

DUAL

100 MHz

R-GDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

120 mA

DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS

19.56 mm

S

5962-01-067-9339

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

40000000 Hz

TTL

YES

5

5

IN-LINE

DIP16,.3

SYNCHRONOUS

20 Amp

Counters

2.54 mm

70 Cel

BIDIRECTIONAL

0 Cel

DUAL

R-PDIP-T16

Not Qualified

160 mA

NOT SPECIFIED

NOT SPECIFIED

SN74ALS169BNP3

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

YES

5

5

IN-LINE

DIP16,.3

SYNCHRONOUS

Counters

2.54 mm

70 Cel

BIDIRECTIONAL

0 Cel

DUAL

R-PDIP-T16

SN74ALS560N3

Texas Instruments

DECADE COUNTER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

YES

5

5

IN-LINE

DIP20,.3

SYNCHRONOUS

Counters

2.54 mm

70 Cel

UP

3-STATE

0 Cel

DUAL

R-PDIP-T20

SN74S168DR

Texas Instruments

DECADE COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

YES

5

15 pF

SMALL OUTLINE

SYNCHRONOUS

15 ns

1.27 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

DUAL

40 MHz

R-PDSO-G16

5.25 V

1.75 mm

3.9 mm

Not Qualified

4.75 V

160 mA

TCO OUTPUT

9.9 mm

S

SN74ALS192FN3

Texas Instruments

DECADE COUNTER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

TTL

YES

5

5

CHIP CARRIER

LDCC20,.4SQ

SYNCHRONOUS

Counters

1.27 mm

70 Cel

BIDIRECTIONAL

0 Cel

QUAD

S-PQCC-J20

SN74ALS569ANSRE4

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

YES

TR

5

5

SMALL OUTLINE

SOP20,.3

SYNCHRONOUS

16 ns

24 Amp

Counters

1.27 mm

70 Cel

BIDIRECTIONAL

3-STATE

POSITIVE EDGE

0 Cel

DUAL

30 MHz

R-PDSO-G20

5.5 V

2 mm

5.3 mm

Not Qualified

4.5 V

32 mA

TCO OUTPUT; CLOCKED CARRY OUTPUT

NOT SPECIFIED

NOT SPECIFIED

12.6 mm

ALS

DM74LS169AM

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

YES

5

SMALL OUTLINE

SYNCHRONOUS

32 ns

1.27 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

DUAL

25 MHz

R-PDSO-G16

5.25 V

1.75 mm

3.9 mm

4.75 V

9.9 mm

LS

SN74LS68N1

Texas Instruments

DECADE COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

NO

IN-LINE

DIP16,.3

ASYNCHRONOUS

Counters

2.54 mm

70 Cel

UP

0 Cel

DUAL

R-PDIP-T16

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74F168D3

Texas Instruments

DECADE COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

90000000 Hz

TTL

YES

5

5

SMALL OUTLINE

SOP16,.25

SYNCHRONOUS

20 Amp

Counters

1.27 mm

70 Cel

BIDIRECTIONAL

0 Cel

DUAL

R-PDSO-G16

52 mA

SN74LS393N3

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

NO

5

5

IN-LINE

DIP14,.3

ASYNCHRONOUS

60 ns

Counters

2.54 mm

70 Cel

UP

NEGATIVE EDGE

0 Cel

DUAL

25 MHz

R-PDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

LS

SN74ALS161AFN3

Texas Instruments

BINARY COUNTER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

30000000 Hz

TTL

YES

5

5

CHIP CARRIER

LDCC20,.4SQ

SYNCHRONOUS

Counters

1.27 mm

70 Cel

UP

0 Cel

QUAD

S-PQCC-J20

SN74LS90NP3

Texas Instruments

DECADE COUNTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

NO

5

5

IN-LINE

DIP14,.3

ASYNCHRONOUS

Counters

2.54 mm

70 Cel

UP

0 Cel

DUAL

R-PDIP-T14

SN7497N-10

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

6

YES

5

15 pF

IN-LINE

SYNCHRONOUS

30 ns

2.54 mm

70 Cel

UP

POSITIVE EDGE

0 Cel

DUAL

25 MHz

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

120 mA

BINARY RATE MULTIPLIER

19.305 mm

TTL/H/L

SN74197J

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

2

TTL

3

YES

5

5

15 pF

IN-LINE

DIP14,.3

ASYNCHRONOUS

63 ns

Counters

2.54 mm

70 Cel

UP

NEGATIVE EDGE

0 Cel

DUAL

50 MHz

R-GDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

59 mA

DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

TTL/H/L

SN7490N

Texas Instruments

DECADE COUNTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

3

NO

5

5

IN-LINE

DIP14,.3

ASYNCHRONOUS

Counters

2.54 mm

70 Cel

UP

NEGATIVE EDGE

0 Cel

DUAL

R-PDIP-T14

5.08 mm

7.62 mm

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

TTL/H/L

SN74S197FN

Texas Instruments

BINARY COUNTER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

TTL

3

YES

5

15 pF

CHIP CARRIER

LDCC20,.4SQ

ASYNCHRONOUS

33 ns

Counters

1.27 mm

70 Cel

UP

NEGATIVE EDGE

0 Cel

QUAD

100 MHz

S-PQCC-J20

5.25 V

4.57 mm

8.9662 mm

Not Qualified

4.75 V

120 mA

DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS

NOT SPECIFIED

NOT SPECIFIED

8.9662 mm

S

SN74LS90N3

Texas Instruments

DECADE COUNTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

NO

5

5

IN-LINE

DIP14,.3

ASYNCHRONOUS

Counters

2.54 mm

70 Cel

UP

0 Cel

DUAL

R-PDIP-T14

SN74S196FN

Texas Instruments

DECADE COUNTER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

TTL

3

YES

5

15 pF

CHIP CARRIER

LDCC20,.4SQ

ASYNCHRONOUS

24 ns

Counters

1.27 mm

70 Cel

UP

NEGATIVE EDGE

0 Cel

QUAD

100 MHz

S-PQCC-J20

5.25 V

4.57 mm

8.9662 mm

Not Qualified

4.75 V

120 mA

DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS

NOT SPECIFIED

NOT SPECIFIED

8.9662 mm

S

SN7490AN-00

Texas Instruments

DECADE COUNTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

3

YES

5

15 pF

IN-LINE

ASYNCHRONOUS

35 ns

2.54 mm

70 Cel

UP

NEGATIVE EDGE

0 Cel

DUAL

32 MHz

R-PDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

42 mA

DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS

19.305 mm

TTL/H/L

SN74LS163AJP4

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

YES

5

5

IN-LINE

DIP16,.3

SYNCHRONOUS

Counters

2.54 mm

70 Cel

UP

0 Cel

DUAL

R-XDIP-T16

SN74AS869FN3

Texas Instruments

BINARY COUNTER

COMMERCIAL

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

YES

5

5

CHIP CARRIER

LDCC28,.5SQ

SYNCHRONOUS

Counters

1.27 mm

70 Cel

BIDIRECTIONAL

0 Cel

QUAD

S-PQCC-J28

SN74F160AN3

Texas Instruments

DECADE COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

90000000 Hz

TTL

YES

5

5

IN-LINE

DIP16,.3

SYNCHRONOUS

20 Amp

Counters

2.54 mm

70 Cel

UP

0 Cel

DUAL

R-PDIP-T16

55 mA

SN74LS696DWR

Texas Instruments

DECADE COUNTER

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

YES

5

45 pF

SMALL OUTLINE

SYNCHRONOUS

40 ns

1.27 mm

70 Cel

BIDIRECTIONAL

3-STATE

POSITIVE EDGE

0 Cel

DUAL

20 MHz

R-PDSO-G20

5.25 V

2.65 mm

7.5 mm

Not Qualified

4.75 V

70 mA

REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS

12.8 mm

LS

DM74190J

Texas Instruments

DECADE COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

TTL

4

YES

5

IN-LINE

SYNCHRONOUS

36 ns

2.54 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

DUAL

20 MHz

R-CDIP-T16

5.25 V

5.08 mm

7.62 mm

4.75 V

LG_MAX

19.94 mm

TTL/H/L

SN74AS161DR

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

75000000 Hz

TTL

4

YES

TR

5

5

50 pF

SMALL OUTLINE

SOP16,.25

SYNCHRONOUS

13 ns

20 Amp

Counters

1.27 mm

70 Cel

UP

POSITIVE EDGE

0 Cel

DUAL

75 MHz

R-PDSO-G16

5.5 V

1.75 mm

3.9 mm

Not Qualified

4.5 V

53 mA

TCO OUTPUT

NOT SPECIFIED

NOT SPECIFIED

9.9 mm

AS

SN74LS390NE4

Texas Instruments

DECADE COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

25000000 Hz

TTL

3

TUBE

5

5

15 pF

IN-LINE

DIP16,.3

ASYNCHRONOUS

60 ns

8 Amp

Counters

2.54 mm

70 Cel

UP

NEGATIVE EDGE

0 Cel

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

DUAL

25 MHz

R-PDIP-T16

1

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

26 mA

DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS

e4

NOT SPECIFIED

260

19.305 mm

LS

SN74LS290DR

Texas Instruments

DECADE COUNTER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

TTL

3

YES

TR

5

5

SMALL OUTLINE

SOP14,.25

ASYNCHRONOUS

35 ns

Counters

1.27 mm

70 Cel

UP

NEGATIVE EDGE

0 Cel

DUAL

16 MHz

R-PDSO-G14

5.25 V

1.75 mm

3.9 mm

Not Qualified

4.75 V

15 mA

DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS

NOT SPECIFIED

NOT SPECIFIED

8.65 mm

LS

SN74LS693FN3

Texas Instruments

BINARY COUNTER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

YES

CHIP CARRIER

LDCC20,.4SQ

SYNCHRONOUS

Counters

1.27 mm

70 Cel

UP

3-STATE

0 Cel

QUAD

S-PQCC-J20

NOT SPECIFIED

NOT SPECIFIED

SN74LS393J4

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

2

TTL

NO

5

5

IN-LINE

DIP14,.3

ASYNCHRONOUS

Counters

2.54 mm

70 Cel

BIDIRECTIONAL

0 Cel

DUAL

R-XDIP-T14

SN74LS668FN

Texas Instruments

DECADE COUNTER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

4

YES

5

5

15 pF

CHIP CARRIER

LDCC20,.4SQ

SYNCHRONOUS

27 ns

Counters

1.27 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

QUAD

25 MHz

S-PQCC-J20

5.25 V

4.57 mm

8.9662 mm

Not Qualified

4.75 V

34 mA

TCO OUTPUT; COUNT ENABLE INPUT

NOT SPECIFIED

NOT SPECIFIED

8.9662 mm

LS

SN74167N-10

Texas Instruments

DECADE COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

4

YES

5

15 pF

IN-LINE

SYNCHRONOUS

30 ns

2.54 mm

70 Cel

UP

NEGATIVE EDGE

0 Cel

DUAL

25 MHz

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

99 mA

DECADE RATE MULTIPLIER

19.305 mm

TTL/H/L

SN74LS197J-00

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

2

TTL

3

YES

5

15 pF

IN-LINE

ASYNCHRONOUS

116 ns

2.54 mm

70 Cel

UP

NEGATIVE EDGE

0 Cel

DUAL

30 MHz

R-GDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

27 mA

DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS

19.56 mm

LS

SN74LS590NSRG4

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

20000000 Hz

TTL

8

NO

TR

5

5

45 pF

SMALL OUTLINE

SOP16,.3

ASYNCHRONOUS

33 ns

24 Amp

Counters

1.27 mm

70 Cel

UP

3-STATE

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

20 MHz

R-PDSO-G16

1

5.25 V

2 mm

5.3 mm

Not Qualified

4.75 V

65 mA

TCO OUTPUT; REGISTERED OUTPUTS

e4

30

260

10.2 mm

LS

SN74LS290N3

Texas Instruments

DECADE COUNTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

NO

5

5

IN-LINE

DIP14,.3

ASYNCHRONOUS

Counters

2.54 mm

70 Cel

UP

0 Cel

DUAL

R-PDIP-T14

SN74LS590DRG4

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

20000000 Hz

TTL

8

NO

TR

5

5

45 pF

SMALL OUTLINE

SOP16,.25

ASYNCHRONOUS

33 ns

24 Amp

Counters

1.27 mm

70 Cel

UP

3-STATE

POSITIVE EDGE

0 Cel

DUAL

35 MHz

R-PDSO-G16

5.25 V

1.75 mm

3.9 mm

Not Qualified

4.75 V

65 mA

TCO OUTPUT; REGISTERED OUTPUTS

NOT SPECIFIED

NOT SPECIFIED

9.9 mm

LS

SN74197N-10

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

3

YES

5

15 pF

IN-LINE

ASYNCHRONOUS

78 ns

2.54 mm

70 Cel

UP

NEGATIVE EDGE

0 Cel

DUAL

50 MHz

R-PDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

59 mA

DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS

19.305 mm

TTL/H/L

SN74393N-10

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

YES

5

15 pF

IN-LINE

ASYNCHRONOUS

60 ns

2.54 mm

70 Cel

UP

NEGATIVE EDGE

0 Cel

DUAL

25 MHz

R-PDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

64 mA

19.305 mm

TTL/H/L

SN74ALS163BD3

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

40000000 Hz

TTL

YES

5

5

SMALL OUTLINE

SOP16,.25

SYNCHRONOUS

Counters

1.27 mm

70 Cel

UP

0 Cel

DUAL

R-PDSO-G16

SN74ALS561AJ4

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

YES

5

5

IN-LINE

DIP20,.3

SYNCHRONOUS

Counters

2.54 mm

70 Cel

UP

3-STATE

0 Cel

DUAL

R-XDIP-T20

SN74ALS561ANP3

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

YES

5

5

IN-LINE

DIP20,.3

SYNCHRONOUS

Counters

2.54 mm

70 Cel

UP

3-STATE

0 Cel

DUAL

R-PDIP-T20

SN74ALS162AFN

Texas Instruments

DECADE COUNTER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

30000000 Hz

TTL

YES

5

5

CHIP CARRIER

LDCC20,.4SQ

SYNCHRONOUS

Counters

1.27 mm

70 Cel

UP

0 Cel

QUAD

S-PQCC-J20

Not Qualified

SN74167NP1

Texas Instruments

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

TTL

NO

5

5

IN-LINE

DIP16,.3

Counters

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

Not Qualified

SN74ALS8163NT

Texas Instruments

DECADE COUNTER

COMMERCIAL

THROUGH-HOLE

DIP

PLASTIC/EPOXY

NO

1

TTL

NO

IN-LINE

DIP(UNSPEC)

Counters

70 Cel

0 Cel

DUAL

Not Qualified

SN74S162D3

Texas Instruments

DECADE COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

YES

SMALL OUTLINE

SOP16,.25

SYNCHRONOUS

Counters

1.27 mm

70 Cel

UP

0 Cel

DUAL

R-PDSO-G16

SN74AS168N1

Texas Instruments

DECADE COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

YES

IN-LINE

DIP16,.3

SYNCHRONOUS

Counters

2.54 mm

70 Cel

BIDIRECTIONAL

0 Cel

DUAL

R-PDIP-T16

Not Qualified

Digital Counters

Digital counters are electronic circuits that can be used to count and keep track of the number of events or occurrences in a digital system. They are commonly used in digital systems to generate timing signals, to control sequencing, and to implement digital control functions.

Digital counters can be designed using various technologies, including transistor-transistor logic (TTL), complementary metal-oxide-semiconductor (CMOS), and field-programmable gate arrays (FPGAs). They can also be designed using various types of flip-flops, such as D flip-flops, JK flip-flops, and T flip-flops.

Digital counters can be classified into two main types: synchronous counters and asynchronous counters. Synchronous counters use a common clock signal to synchronize the operation of all the flip-flops in the counter. Asynchronous counters, on the other hand, do not use a common clock signal and rely on the propagation delay of the flip-flops to sequence their operation.

Digital counters can also be classified based on their counting sequence. They can count up, down, or both up and down, depending on the application. Up counters increment the count each time an input pulse is received, while down counters decrement the count each time an input pulse is received. Up-down counters can count both up and down, depending on the direction of the input signal.

Digital counters can be used in various applications, including frequency division, time delay generation, event counting, and sequence control. They can be used to generate timing signals for clocking digital circuits, to control the sequencing of operations in a digital system, and to implement digital control functions, such as shift registers and sequence generators.