DM74LS163AN datasheet(7/10 Pages) FAIRCHILD

Teilenummer	DM74LS163AN

Bauteilbeschribung	Synchronous 4-Bit Binary Counters

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Hersteller	FAIRCHILD [Fairchild Semiconductor]

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DM74LS163A Recommended Operating Conditions

Note 8: CL = 15 pF, RL = 2 kΩ, TA = 25°C and VCC = 5V.

Note 9: CL = 50 pF, RL = 2 kΩ, TA = 25°C and VCC = 5V.

DM74LS163A Electrical Characteristics

over recommended operating free air temperature range (unless otherwise noted)

Note 10: All typicals are at VCC = 5V, TA = 25°C.

Note 11: Not more than one output should be shorted at a time, and the duration should not exceed one second.

Note 12: ICCH is measured with the load HIGH, then again with the load LOW, with all other inputs HIGH and all outputs OPEN.

Note 13: ICCL is measured with the clock input HIGH, then again with the clock input LOW, with all other inputs LOW and all outputs OPEN.

Symbol

Parameter

Min

Nom

Max

Units

VCC

Supply Voltage

4.75

5

5.25

V

VIH

HIGH Level Input Voltage

2

V

VIL

LOW Level Input Voltage

0.8

V

IOH

HIGH Level Output Current

−0.4

mA

IOL

LOW Level Output Current

8

mA

fCLK

Clock Frequency (Note 8)

0

25

MHz

Clock Frequency (Note 9)

0

20

MHz

tW

Pulse Width

Clock

20

6

ns

(Note 8)

Clear

20

9

Pulse Width

Clock

25

ns

(Note 9)

Clear

25

tSU

Setup Time

Data

20

8

(Note 8)

Enable P

25

17

ns

Load

25

15

Setup Time

Data

20

(Note 9)

Enable P

30

ns

Load

30

tH

Hold Time

Data

0

−3

ns

(Note 8)

Others

0

−3

Hold Time

Data

5

ns

(Note 9)

Others

5

tREL

Clear Release Time (Note 8)

20

ns

Clear Release Time (Note 9)

25

ns

TA

Free Air Operating Temperature

0

70

°C

Symbol

Parameter

Conditions

Min

Typ

(Note 10)

Max

Units

VI

Input Clamp Voltage

VCC = Min, II = −18 mA

−1.5

V

VOH

HIGH Level

VCC = Min, IOH = Max

2.7

3.4

V

Output Voltage

VIL = Max, VIH = Min

VOL

LOW Level

VCC = Min, IOL = Max

0.35

0.5

Output Voltage

VIL = Max, VIH = Min

V

IOL = 4 mA, VCC = Min

0.25

0.4

II

Input Current @ Max

VCC = Max

Enable T

0.2

Input Voltage

VI = 7V

Clock, Clear

0.2

mA

Load

0.2

Others

0.1

IIH

HIGH Level

VCC = Max

Enable T

40

Input Current

VI = 2.7V

Load

40

µA

Clock, Clear

40

Others

20

IIL

LOW Level

VCC = Max

Enable T

−0.8

Input Current

VI = 0.4V

Clock, Clear

−0.8

mA

Load

−0.8

Others

−0.4

IOS

Short Circuit Output Current

VCC = Max (Note 11)

−20

−100

mA

ICCH

Supply Current with Outputs HIGH VCC = Max (Note 12)

18

31

mA

ICCL

Supply Current with Outputs LOW

VCC = Max (Note 13)

18

32

mA

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