M74ACT574B 查看數據表（PDF） - STMicroelectronics

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M74ACT574B

OCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUT NON INVERTING

STMicroelectronics 

74ACT574

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

Symb ol

Parameter

tPLH Propagation Delay Time

tPHL CK to Q

tPZL Output Enable Time

tPZH

tPLH Output Disable Time

tPHL

tw CK Pulse Width, HIGH

or LOW

ts Setup Time Q to CK

HIGH or LOW

th Hold Time Q to CK

HIGH or LOW

fMAX Maximim Clock

Frequency

(*) Voltage range is 5V ± 0.5V

T est Con ditio n

VCC

(V)

5.0(*)

5.0(*)

5.0(*)

5.0(*)

5.0(*)

5.0(*)

5.0(*)

Valu e

TA = 25 oC

-40 to 85 oC

Min. T yp. Max. Min. Max.

5.0 10.0

11.0

Unit

ns

5.5 9.0

10.0 ns

5.0 8.5

9.0 ns

1.5 3.0

4.0 ns

1.0 2.5

3.0 ns

-1.0 2.5

3.0 ns

100 250

85

MHz

CAPACITIVE CHARACTERISTICS

Symb ol

Parameter

Test Conditions

VCC

(V)

Valu e

TA = 25 oC

-40 to 85 oC

Min. T yp. Max. Min. Max.

Unit

COUT Output Capacitance

5.0

8

pF

CIN Input Capacitance

5.0

4

pF

CPD Power Dissipation

5.0

Capacitance (note 1)

26

pF

1) CPD isdefined as the value of the IC’sinternal equivalent capacitance which is calculated fromthe operating current consumption without load. (Referto

Test Circuit).Average operating current can be obtained by the following equation. ICC(opr) = CPD • VCC • fIN + ICC/n (per circuit)

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