74AC174M datasheet(5/11 Pages) STMICROELECTRONICS

5 / 11 page

74AC174

5/11

AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr = tf = 3ns)

(*) Voltage range is 3.3V

± 0.3V

(**) Voltage range is 5.0V

± 0.5V

CAPACITIVE CHARACTERISTICS

1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without

load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/6 (per circuit)

Symbol

Parameter

Test Condition

Value

Unit

VCC

(V)

TA = 25°C

-40 to 85°C

-55 to 125°C

Min.

Typ.

Max.

Min.

Max.

Min.

Max.

tPLH tPHL Propagation Delay

Time

CLOCK to Y

3.3(*)

1.5

8.5

11.0

12.5

14.0

5.0(**)

1.5

6.0

8.0

9.5

10.5

tPHL

Propagation Delay

Time

CLEAR to Y

3.3(*)

1.5

9.0

11.5

12.5

13.5

5.0(**)

1.5

7.0

9.0

10.5

11.0

tWL

CLEAR Pulse

Width, LOW

3.3(*)

1.0

5.5

7.0

5.0(**)

1.0

5.0

CLOCK Pulse

Width

3.3(*)

1.0

5.5

7.0

5.0(**)

1.0

5.0

Setup Time D to

CLOCK, HIGH or

LOW

3.3(*)

2.5

6.5

7.0

5.0(**)

2.0

5.0

5.5

Hold Time D to

CLOCK, HIGH or

LOW

3.3(*)

1.0

3.0

5.0(**)

0.5

3.0

tREM

Recovery Time

CLEAR to CK

3.3(*)

2.5

5.0(**)

2.0

fMAX

Maximum Clock

Frequency

3.3(*)

200

MHz

5.0(**)

100

250

100

Symbol

Parameter

Test Condition

Value

Unit

VCC

(V)

TA = 25°C

-40 to 85°C

-55 to 125°C

Min.

Typ.

Max.

Min.

Max.

Min.

Max.

CIN

Input Capacitance

5.0

4.5

CPD

Power Dissipation

Capacitance

(note1)

5.0

fIN = 10MHz

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