SL74HC374 datasheet(4/5 Pages) SLS

4 / 5 page

SL74HC374

System Logic

Semiconductor

SLS

AC ELECTRICAL CHARACTERISTICS(C

L=50pF,Input t r=tf=6.0 ns)

VCC

Guaranteed Limit

Symbol

Parameter

°C to

-55

°C

≤85°C

≤125°C

Unit

fmax

Maximum Clock Frequency (50% Duty Cycle)

(Figures 1 and 4)

2.0

4.5

6.0

5.0

4.0

MHz

tPLH, tPHL

Maximum Propagation Delay, Clock to Q (Figures

1 and 4)

2.0

4.5

6.0

125

155

190

tPLZ, tPHZ

Maximum Propagation Delay, Output Enable to Q

(Figures 2 and 5)

2.0

4.5

6.0

150

190

225

tPZH, tPZL

Maximum Propagation Delay, Output Enable to Q

(Figures 2 and 5)

2.0

4.5

6.0

150

190

225

tTLH, tTHL

Maximum Output Transition Time, Any Output

(Figures 1 and 4)

2.0

4.5

6.0

110

CIN

Maximum Input Capacitance

COUT

Maximum Three-State Output Capacitance

(Output in High-Impedance State)

Power Dissipation Capacitance (Per Enabled

Output)

Typical @25

°C,V

CC=5.0 V

CPD

Used to determine the no-load dynamic power

consumption: PD=CPDVCC

2f+I

CCVCC

TIMING REQUIREMENTS (C

L=50pF,Input t r=tf=6.0 ns)

VCC

Guaranteed Limit

Symbol

Parameter

°C to

-55

°C

≤85°C

≤125°C

Unit

tSU

Minimum Setup Time, Data to

Clock (Figure 3)

2.0

4.5

6.0

Minimum Hold Time, Clock to

Data (Figure 3)

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

1000

500

400

1000

500

400

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