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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

DM74LS191N

National Semiconductor

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

20000000 Hz

TTL

4

YES

5

5

15 pF

IN-LINE

DIP16,.3

SYNCHRONOUS

36 ns

8 Amp

Counters

2.54 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

TIN LEAD

DUAL

20 MHz

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

35 mA

TCO OUTPUT

e0

21.755 mm

LS

SN74F161ANSR

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

90000000 Hz

TTL

4

TR

5

5

SMALL OUTLINE

SOP16,.3

SYNCHRONOUS

11 ns

20 Amp

Counters

1.27 mm

70 Cel

UP

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

90 MHz

R-PDSO-G16

1

5.5 V

2 mm

5.3 mm

Not Qualified

4.5 V

55 mA

TCO OUTPUT

e4

30

260

10.2 mm

F/FAST

SN74LS191DRE4

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

20000000 Hz

TTL

4

YES

TR

5

5

15 pF

SMALL OUTLINE

SOP16,.25

SYNCHRONOUS

36 ns

8 Amp

Counters

1.27 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

20 MHz

R-PDSO-G16

1

5.25 V

1.75 mm

3.9 mm

Not Qualified

4.75 V

35 mA

TCO OUTPUT

e4

30

260

9.9 mm

LS

SN74LS191NSRG4

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

20000000 Hz

TTL

4

YES

TR

5

5

SMALL OUTLINE

SOP16,.3

SYNCHRONOUS

36 ns

8 Amp

Counters

1.27 mm

70 Cel

BIDIRECTIONAL

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

35 mA

TCO OUTPUT

e4

30

260

10.2 mm

LS

SN74LS293D

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

16000000 Hz

TTL

3

NO

TUBE

5

5

15 pF

SMALL OUTLINE

SOP14,.25

ASYNCHRONOUS

51 ns

16 Amp

Counters

1.27 mm

70 Cel

UP

NEGATIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

16 MHz

R-PDSO-G14

1

5.25 V

1.75 mm

3.91 mm

Not Qualified

4.75 V

39 mA

DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS

e4

30

260

8.65 mm

LS

SN74LS293DR

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

TTL

3

NO

TR

5

5

SMALL OUTLINE

SOP14,.25

ASYNCHRONOUS

51 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 8 FUNCTIONS

NOT SPECIFIED

NOT SPECIFIED

8.65 mm

LS

SN74LS592N

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

20000000 Hz

TTL

8

TUBE

5

45 pF

IN-LINE

DIP16,.3

ASYNCHRONOUS

30 ns

24 Amp

Counters

2.54 mm

70 Cel

UP

3-STATE

POSITIVE EDGE

0 Cel

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

DUAL

20 MHz

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

60 mA

REGISTERED INPUTS

e4

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

LS

SN74LS90DG4

Texas Instruments

DECADE COUNTER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

16000000 Hz

TTL

3

TUBE

5

5

15 pF

SMALL OUTLINE

SOP14,.25

ASYNCHRONOUS

50 ns

8 Amp

Counters

1.27 mm

70 Cel

UP

NEGATIVE EDGE

0 Cel

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

DUAL

32 MHz

R-PDSO-G14

1

5.25 V

1.75 mm

3.9 mm

Not Qualified

4.75 V

15 mA

ONE FUNCTION HAS 1 BIT

e4

NOT SPECIFIED

260

8.65 mm

LS

SN74LS90NE4

Texas Instruments

DECADE COUNTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

16000000 Hz

TTL

3

TUBE

5

5

15 pF

IN-LINE

DIP14,.3

ASYNCHRONOUS

50 ns

8 Amp

Counters

2.54 mm

70 Cel

UP

NEGATIVE EDGE

0 Cel

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

DUAL

32 MHz

R-PDIP-T14

1

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

15 mA

ONE FUNCTION HAS 1 BIT

e4

NOT SPECIFIED

260

19.305 mm

LS

SN74LS92DRE4

Texas Instruments

DIVIDE BY 12 COUNTER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

16000000 Hz

TTL

3

NO

TR

5

5

15 pF

SMALL OUTLINE

SOP14,.25

ASYNCHRONOUS

50 ns

8 Amp

Counters

1.27 mm

70 Cel

UP

NEGATIVE EDGE

0 Cel

DUAL

32 MHz

R-PDSO-G14

5.25 V

1.75 mm

3.9 mm

Not Qualified

4.75 V

15 mA

ONE FUNCTION HAS 1 BIT

NOT SPECIFIED

NOT SPECIFIED

8.65 mm

LS

SN74ALS161BNSR

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

40000000 Hz

TTL

4

TR

5

5

50 pF

SMALL OUTLINE

SOP16,.3

SYNCHRONOUS

20 ns

8 Amp

Counters

1.27 mm

70 Cel

UP

POSITIVE EDGE

0 Cel

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

DUAL

40 MHz

R-PDSO-G16

1

5.5 V

2 mm

5.3 mm

Not Qualified

4.5 V

21 mA

TCO OUTPUT

e4

NOT SPECIFIED

260

10.2 mm

ALS

SN74ALS161BNSRE4

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

40000000 Hz

TTL

4

YES

TR

5

5

SMALL OUTLINE

SOP16,.3

SYNCHRONOUS

20 ns

8 Amp

Counters

1.27 mm

70 Cel

UP

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

40 MHz

R-PDSO-G16

1

5.5 V

2 mm

5.3 mm

Not Qualified

4.5 V

21 mA

TCO OUTPUT

e4

30

260

10.2 mm

ALS

SN74ALS161BNSRG4

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

40000000 Hz

TTL

4

YES

TR

5

5

SMALL OUTLINE

SOP16,.3

SYNCHRONOUS

20 ns

8 Amp

Counters

1.27 mm

70 Cel

UP

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

40 MHz

R-PDSO-G16

1

5.5 V

2 mm

5.3 mm

Not Qualified

4.5 V

21 mA

TCO OUTPUT

e4

30

260

10.2 mm

ALS

SN74LS169BD

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

20000000 Hz

TTL

4

TUBE

5

5

45 pF

SMALL OUTLINE

SOP16,.25

SYNCHRONOUS

25 ns

24 Amp

Counters

1.27 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

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

DUAL

20 MHz

R-PDSO-G16

1

5.25 V

1.75 mm

3.9 mm

Not Qualified

4.75 V

45 mA

TCO OUTPUT

e4

NOT SPECIFIED

260

9.9 mm

LS

SN74LS193N

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

25000000 Hz

TTL

4

TUBE

5

5

15 pF

IN-LINE

DIP16,.3

SYNCHRONOUS

47 ns

8 Amp

Counters

2.54 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

25 MHz

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

34 mA

TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK

e4

19.305 mm

LS

SN74LS193NE4

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

25000000 Hz

TTL

4

TUBE

5

5

15 pF

IN-LINE

DIP16,.3

SYNCHRONOUS

47 ns

8 Amp

Counters

2.54 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

25 MHz

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

34 mA

TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK

e4

19.305 mm

LS

SN74LS193NSR

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

25000000 Hz

TTL

4

TR

5

5

15 pF

SMALL OUTLINE

SOP16,.3

SYNCHRONOUS

47 ns

8 Amp

Counters

1.27 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

25 MHz

R-PDSO-G16

1

5.25 V

2 mm

5.3 mm

Not Qualified

4.75 V

34 mA

TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK

e4

30

260

10.2 mm

LS

SN74LS590NSR

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

20000000 Hz

TTL

8

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 (Ni/Pd/Au)

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

NOT SPECIFIED

260

10.2 mm

LS

SN74LS590NSRE4

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

T74LS191B1

STMicroelectronics

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

4

YES

5

5

15 pF

IN-LINE

DIP16,.3

SYNCHRONOUS

36 ns

Counters

2.54 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

TIN LEAD

DUAL

20 MHz

R-PDIP-T16

5.25 V

5.1 mm

7.62 mm

Not Qualified

4.75 V

35 mA

TCO OUTPUT

e0

LS

DM8554N

National Semiconductor

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

NO

IN-LINE

DIP16,.3

SYNCHRONOUS

16 Amp

Counters

2.54 mm

70 Cel

UP

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T16

Not Qualified

106 mA

e0

74F169PC

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

4

YES

5

IN-LINE

SYNCHRONOUS

13 ns

2.54 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

DUAL

70 MHz

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

4.5 V

19.305 mm

F/FAST

DM7493AN

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

3

YES

5

IN-LINE

ASYNCHRONOUS

70 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

4.75 V

19.18 mm

TTL/H/L

7492PC

Fairchild Semiconductor

DIVIDE BY 12 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

TIN LEAD

DUAL

R-PDIP-T14

2A

Not Qualified

e0

74LS192PC

Fairchild Semiconductor

DECADE COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

YES

5

5

IN-LINE

DIP16,.3

SYNCHRONOUS

Counters

2.54 mm

70 Cel

BIDIRECTIONAL

0 Cel

TIN LEAD

DUAL

R-PDIP-T16

Not Qualified

e0

DM7490AN

Texas Instruments

DECADE COUNTER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

3

YES

5

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

4.75 V

19.18 mm

TTL/H/L

DM8552J

National Semiconductor

DECADE COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

NO

IN-LINE

DIP16,.3

SYNCHRONOUS

16 Amp

Counters

2.54 mm

70 Cel

UP

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T16

Not Qualified

106 mA

e0

74F191SJ

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

YES

5

SMALL OUTLINE

SYNCHRONOUS

12 ns

1.27 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

DUAL

90 MHz

R-PDSO-G16

5.5 V

2.108 mm

5.3 mm

4.5 V

10.11 mm

F/FAST

74F161ASC

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

YES

5

SMALL OUTLINE

SYNCHRONOUS

11 ns

1.27 mm

70 Cel

UP

POSITIVE EDGE

0 Cel

DUAL

90 MHz

R-PDSO-G16

5.5 V

1.753 mm

3.9 mm

4.5 V

9.9 mm

F/FAST

74F169SCX

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

YES

5

SMALL OUTLINE

SYNCHRONOUS

13 ns

1.27 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

DUAL

70 MHz

R-PDSO-G16

5.5 V

1.753 mm

3.9 mm

4.5 V

9.9 mm

F/FAST

74F161ASJX

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

YES

5

SMALL OUTLINE

SYNCHRONOUS

11 ns

1.27 mm

70 Cel

UP

POSITIVE EDGE

0 Cel

DUAL

90 MHz

R-PDSO-G16

5.5 V

2.108 mm

5.3 mm

4.5 V

10.11 mm

F/FAST

74F190PC

Texas Instruments

DECADE COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

4

YES

5

IN-LINE

SYNCHRONOUS

12 ns

2.54 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

DUAL

90 MHz

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

4.5 V

19.305 mm

F/FAST

74F190SCX

Texas Instruments

DECADE COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

YES

5

SMALL OUTLINE

SYNCHRONOUS

12 ns

1.27 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

DUAL

90 MHz

R-PDSO-G16

5.5 V

1.753 mm

3.9 mm

4.5 V

9.9 mm

F/FAST

74F169SC

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

YES

5

SMALL OUTLINE

SYNCHRONOUS

13 ns

1.27 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

DUAL

70 MHz

R-PDSO-G16

5.5 V

1.75 mm

3.9 mm

4.5 V

9.9 mm

F/FAST

DM9316J

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

4

YES

5

IN-LINE

SYNCHRONOUS

25 ns

2.54 mm

70 Cel

UP

POSITIVE EDGE

0 Cel

DUAL

25 MHz

R-GDIP-T16

5.25 V

5.08 mm

7.62 mm

4.75 V

LG_MAX

19.94 mm

9316

74F192PC

Texas Instruments

DECADE COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

4

YES

5

IN-LINE

SYNCHRONOUS

13.5 ns

2.54 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

DUAL

90 MHz

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

4.5 V

19.305 mm

F/FAST

CY74FCT191CTQC

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

125000000 Hz

CMOS

4

YES

5

5

50 pF

SMALL OUTLINE, SHRINK PITCH

SSOP16,.25

SYNCHRONOUS

6.2 ns

64 Amp

Counter

.635 mm

70 Cel

BIDIRECTIONAL

3-STATE

POSITIVE EDGE

0 Cel

DUAL

R-PDSO-G16

5.25 V

1.75 mm

3.9116 mm

Not Qualified

4.75 V

TCO OUTPUT

NOT SPECIFIED

NOT SPECIFIED

4.9022 mm

FCT

74F163ASJX

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

YES

5

SMALL OUTLINE

SYNCHRONOUS

11 ns

1.27 mm

70 Cel

UP

POSITIVE EDGE

0 Cel

DUAL

90 MHz

R-PDSO-G16

5.5 V

2.108 mm

5.3 mm

4.5 V

10.11 mm

F/FAST

74F163ASJ

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

YES

5

SMALL OUTLINE

SYNCHRONOUS

11 ns

1.27 mm

70 Cel

UP

POSITIVE EDGE

0 Cel

DUAL

90 MHz

R-PDSO-G16

5.5 V

2.108 mm

5.3 mm

4.5 V

10.11 mm

F/FAST

74F191SJX

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

YES

5

SMALL OUTLINE

SYNCHRONOUS

12 ns

1.27 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

DUAL

90 MHz

R-PDSO-G16

5.5 V

2.108 mm

5.3 mm

4.5 V

10.11 mm

F/FAST

74F169SJX

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

YES

5

SMALL OUTLINE

SYNCHRONOUS

13 ns

1.27 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

DUAL

70 MHz

R-PDSO-G16

5.5 V

2.108 mm

5.3 mm

4.5 V

10.11 mm

F/FAST

DM9316N

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

4

YES

5

IN-LINE

SYNCHRONOUS

25 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

4.75 V

19.305 mm

9316

74F192SC

Texas Instruments

DECADE COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

YES

5

SMALL OUTLINE

SYNCHRONOUS

13.5 ns

1.27 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

DUAL

90 MHz

R-PDSO-G16

5.5 V

1.753 mm

3.9 mm

4.5 V

9.9 mm

F/FAST

74F193SCX

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

YES

5

SMALL OUTLINE

SYNCHRONOUS

13.5 ns

1.27 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

DUAL

90 MHz

R-PDSO-G16

5.5 V

1.753 mm

3.9 mm

4.5 V

9.9 mm

F/FAST

74F193PC

Texas Instruments

BINARY COUNTER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

4

YES

5

IN-LINE

SYNCHRONOUS

13.5 ns

2.54 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

DUAL

90 MHz

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

4.5 V

19.305 mm

F/FAST

74F192SJ

Texas Instruments

DECADE COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

YES

5

SMALL OUTLINE

SYNCHRONOUS

13.5 ns

1.27 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

DUAL

90 MHz

R-PDSO-G16

5.5 V

2.108 mm

5.3 mm

4.5 V

10.11 mm

F/FAST

74F192SJX

Texas Instruments

DECADE COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

YES

5

SMALL OUTLINE

SYNCHRONOUS

13.5 ns

1.27 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

DUAL

90 MHz

R-PDSO-G16

5.5 V

2.108 mm

5.3 mm

4.5 V

10.11 mm

F/FAST

74F191SCX

Texas Instruments

BINARY COUNTER

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

YES

5

SMALL OUTLINE

SYNCHRONOUS

12 ns

1.27 mm

70 Cel

BIDIRECTIONAL

POSITIVE EDGE

0 Cel

DUAL

90 MHz

R-PDSO-G16

5.5 V

1.753 mm

3.9 mm

4.5 V

9.9 mm

F/FAST

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.