M74HC153 datasheet(5/10 Pages) STMICROELECTRONICS

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M74HC153

5/10

AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)

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/4(per circuit)

TEST CIRCUIT

CL = 50pF or equivalent (includes jig and probe capacitance)

RT = ZOUT of pulse generator (typically 50Ω)

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.

tTLH tTHL Output Transition

Time

2.0

110

4.5

151922

6.0

131619

tPLH tPHL Propagation Delay

Time (Cn - Y)

2.0

115

145

175

4.5

6.0

tPLH tPHL Propagation Delay

Time (A, B - Y)

2.0

150

190

225

4.5

6.0

tPLH tPHL Propagation Delay

Time (G - Y)

2.0

105

130

4.5

6.0

141822

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

101010

CPD

Power Dissipation

Capacitance (note

5.0

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