74HC164 datasheet(4/6 Pages) ESTEK

4 / 6 page

74HC164

AC Electrical Characteristics

(C L =50pF,Input tr

=tf

VCC

Guaranteed Limit

Symbol

Parameter

25 °

-55°

≤85°

≤125°

Unit

fmax

Maximum Clock Frequency (50% Duty Cycle)

(Figures 1 and 4)

tPLH, tPHL

Maximum Propagation Delay,Clock to Q

(Figures

1 and 4)

tPHL

Maximum Propagation Delay,Reset to Q

(Figures 2 and 4)

tTLH, tTHL

Maximum Output Transition Time, Any Output

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

175

205

4.8

220

255

4.0

265

310

110

MHz

CIN

Maximum Input Capacitance

tSU

Minimum Setup Time,A1 or A2 to Clock

(Figure 3)

Minimum Hold Time, Clock to A1 or A2

(Figure 3)

trec

Minimum Recovery Time, Reset Inactive to

Clock (Figure 2)

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

Minimum Pulse Width, Reset (Figure 2)

2.0

4.5

6.0

Minimum Pulse Width, Clock (Figure 1)

2.0

4.5

6.0

tr, tf

Maximum Input Rise and Fall Times (Figure 1)

2.0

4.5

6.0

1000

500

400

100

1000

500

400

120

1000

500

400

Power Dissipation Capacitance (Per Package)

CPD

Used to determine the no-load dynamic power

consumption:

2f+ICCVCCPD=CPDV

Typical @25°

C,VCC=5.0 V

140

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