74LVXC4245 Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

74LVXC4245

OCTAL DUAL SUPPLY BUS TRANSCEIVER

STMicroelectronics 

74LVXC4245

CAPACITIVE CHARACTERISTICS

Test Condition

Value

Symbol

Parameter

VCCA VCCB

(V) (V)

TA = 25 °C

-40 to 85 °C -55 to 125°C Unit

Min. Typ. Max. Min. Max. Min. Max.

CINA Input

Capacitance

open open

4.5 10

10

10 V

CI/O Input/Output

5.0 3.3

10

V

Capacitance

CPD Dynamic Low

5.0 3.3

55

V

Level Quiet

Output (note 1)

A to B

CPD Dynamic Low

5.0 3.3

40

V

Level Quiet

Output (note 1)

B to A

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 current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/8 (per circuit)

TEST CIRCUIT

TEST

tPLH, tPHL

tPZLH, tPLZ

tPZH, tPHZ

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

RL = R1 = 500Ω or equivalent

RT = ZOUT of pulse generator (typically 50Ω)

SWITCH

Open

2VCC

Open

7/11

Share Link: