74AC158M datasheet(5/9 Pages) STMICROELECTRONICS

Nome de Peças	74AC158M

Descrição Electrónicos	QUAD 2 CHANNEL MULTIPLEXER INV.

PDF	9 Pages

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Fabricante Electrônico	STMICROELECTRONICS [STMicroelectronics]

Página de início	http://www.st.com

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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

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

• VCC • fIN +ICC/n (per circuit)

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

SELECT to Y

3.3

(*)

1.5

7.0

11.5

1.5

12.5

5.0

(**)

1.5

5.0

9.0

1.5

10.0

tPLH

tPHL

Propagation Delay Time

STROBE to Y

3.3

(*)

1.5

7.0

11.0

1.5

12.0

5.0

(**)

1.55.5

8.51.5

9.5

tPLH

tPHL

Propagation Delay Time

A, B to Y

3.3

(*)

1.55.0

8.01.5

8.5

5.0

(**)

1.54.0

7.01.5

7.5

(*) Voltage range is 3.3V

± 0.3V

(**) Voltage range is 5V

± 0.5V

TEST CIRCUIT

74AC158

5/9

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