M74HC154M1R datasheet(5/8 Pages) STMICROELECTRONICS

No. de pieza	M74HC154M1R

Descripción Electrónicos	4 TO 16 LINE DECODER/DEMULTIPLEXER

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

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

Symbol

Parameter

Test Conditions

Value

Unit

VCC

(V)

TA =25

-40 to 85

Min.

Typ.

Max.

Min.

Max.

tTLH

tTHL

Output Transition Time

2.0

4.5

6.0

tPLH

tPHL

Propagation Delay Time

(A, B, C, D - Y)

2.0

175

220

4.5

6.0

tPLH

tPHL

Propagation Delay Time

(G1, G2 - Y)

2.0

160

200

4.5

6.0

CIN

Input Capacitance

CPD (*)

Power Dissipation Capacitance

(*) 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

SWITCHING CHARACTERISTICS TEST

CIRCUIT

TEST CIRCUIT ICC (Opr.)

INPUT WAVEFORM IS THE SAME AS THAT IN CASE OF

SWITCHING CHARACTERISTICS TEST.

M74HC154

5/8

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