74ACT174 datasheet(5/10 Pages) STMICROELECTRONICS

5 / 10 page

AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500

Ω, Input tr =tf =3 ns)

Symbol

Parameter

T est Cond iti on

Value

Unit

VCC

(V)

TA =25

oC-40 to 85 oC

Mi n.

Typ.

Max.

Min .

Max.

tPLH

tPHL

Propagation Delay Time

CK to Q

5.0

(*)

1.5

7.0

10.5

11.5

tPLH

tPHL

Propagation Delay Time

CLR to Q

5.0

(*)

1.5

6.5

9.5

11.0

twL

CLR pulse Width, LOW

5.0

(*)

1.5

3.0

3.5

CK pulse Width

5.0

(*)

1.5

3.0

3.5

Setup Time Q to CK HIGH

or LOW

5.0

(*)

0.5

1.5

Hold Time Q to CK HIGH

or LOW

5.0

(*)

1.0

2.0

tREM

Recovery Time CLR to CK

5.0

(*)

-1.0

0.5

fMAX

Maximum Clock Frequency

5.0

(*)

165

200

140

MHz

(*) Voltage range is 5V

± 0.5V

CAPACITIVE CHARACTERISTICS

Symbol

Parameter

Test Con dition s

Value

Unit

VCC

(V)

TA =25

oC-40 to 85 oC

Mi n.

Typ.

Max.

Min .

Max.

CIN

Input Capacitance

5.0

CPD

Power Dissipation

Capacitance (note 1)

5.0

fIN = 10 MHz

TBD

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 operting current can be obtained by the following equation. ICC(opr) = CPD

• VCC • fIN +ICC/n (per circuit)

74ACT174

5/10

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