74ACT541_01 datasheet(4/9 Pages) STMICROELECTRONICS

Teilenummer	74ACT541

Bauteilbeschribung	OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (NON INVERTED)

PDF	9 Pages

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

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74ACT541

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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/n (per circuit)

TEST CIRCUIT

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

RL = R1 = 500Ω or equivalent

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.

CIN

Input Capacitance

5.0

COUT

Output

Capacitance

5.0

CPD

Power Dissipation

Capacitance (note

5.0

fIN = 10MHz

TEST

SWITCH

tPLH, tPHL

Open

tPZL, tPLZ

2VCC

tPZH, tPHZ

Open

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