SN74HC163Q1

4BIT SYNCHRONOUS BINARY COUNTER

SCLS584A − MAY 2004 − REVISED APRIL 2008

6

POST OFFICE BOX 655303

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

TA = 25°C

MIN

MAX

UNIT

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

MIN

MAX

UNIT

2 V

1.9

1.998

1.9

IOH = −20 µA

4.5 V

4.4

4.499

4.4

VOH

VI = VIH or VIL

IOH = −20 µA

6 V

5.9

5.999

5.9

V

VOH

VI = VIH or VIL

IOH = −4 mA

4.5 V

3.98

4.3

3.84

V

IOH = −5.2 mA

6 V

5.48

5.8

5.34

2 V

0.002

0.1

0.1

IOL = 20 µA

4.5 V

0.001

0.1

0.1

VOL

VI = VIH or VIL

IOL = 20 µA

6 V

0.001

0.1

0.1

V

VOL

VI = VIH or VIL

IOL = 4 mA

4.5 V

0.17

0.26

0.33

V

IOL = 5.2 mA

6 V

0.15

0.26

0.33

II

VI = VCC or 0

6 V

±0.1

±100

±1000

nA

ICC

VI = VCC or 0,

IO = 0

6 V

8

80

µA

Ci

2 V to 6 V

3

10

10

pF

timing requirements over recommended operating free-air temperature range (unless otherwise

noted)

VCC

TA = 25°C

MIN

MAX

UNIT

VCC

MIN

MAX

MIN

MAX

UNIT

2 V

6

5

fclock

Clock frequency

4.5 V

31

25

MHz

fclock

Clock frequency

6 V

36

29

MHz

2 V

80

100

tw

Pulse duration

CLK high or low

4.5 V

16

20

ns

tw

Pulse duration

CLK high or low

6 V

14

17

ns

2 V

150

190

A, B, C, or D

4.5 V

30

38

A, B, C, or D

6 V

26

32

2 V

135

170

LOAD low

4.5 V

27

34

LOAD low

6 V

23

29

2 V

170

215

tsu

Setup time before CLK

↑

ENP, ENT

4.5 V

34

43

ns

tsu

Setup time before CLK

↑

ENP, ENT

6 V

29

37

ns

2 V

160

200

CLR low

4.5 V

32

40

CLR low

6 V

27

34

2 V

160

200

CLR inactive

4.5 V

32

40

CLR inactive

6 V

27

34

2 V

0

0

th

Hold time, all synchronous inputs after CLK

↑

4.5 V

0

0

ns

th

Hold time, all synchronous inputs after CLK

6 V

0

0

ns