74LVX4245TTR Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

fabricante

74LVX4245TTR

OCTAL DUAL SUPPLY BUS TRANSCEIVER

STMicroelectronics 

74LVX4245

Figure 2: Input And Output Equivalent Circuit

Table 2: Pin Description

PIN N°

2

3, 4, 5, 6, 7,

8, 9, 10

21, 20, 19,

18, 17, 16,

15, 14

22

11, 12, 13

23

1

24

SYMBOL

DIR

A1 to A8

NAME QND FUNCTION

Directional Control

Data Inputs/Outputs

B1 to B8 Data Inputs/Outputs

G

GND

NC

VCCA

VCCB

Output Enable Input

Ground (0V)

Not Connected

Positive Supply Voltage

Positive Supply Voltage

Table 3: Truth Table

INPUTS

G

DIR

L

L

L

H

H

X

X : Don’t Care

Z : High Impedance

Table 4: Absolute Maximum Ratings

FUNCTION

A BUS

OUTPUT

INPUT

Z

B BUS

INPUT

OUTPUT

Z

OUTPUT

A=B

B=A

Z

Symbol

VCCA

VCCB

VI

VI/OA

VI/OB

IIK

IOK

IOA

IOB

ICCA

ICCB

Pd

Tstg

TL

Parameter

Supply Voltage

Supply Voltage

DC Input Voltage

DC I/O Voltage

DC I/O Voltage

DC Input Diode Current

DC Output Diode Current

DC Output Current

DC Output Current

DC VCC or Ground Current

DC VCC or Ground Current

Power Dissipation

Storage Temperature

Lead Temperature (10 sec)

Value

Unit

-0.5 to +7.0

V

-0.5 to +7.0

V

-0.5 to VCCA + 0.5

V

-0.5 to VCCA + 0.5

V

-0.5 to VCCB + 0.5

V

± 20

mA

± 50

mA

± 50

mA

± 50

mA

± 200

mA

± 100

mA

180

mW

-65 to +150

°C

300

°C

Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is

not implied

2/13

Share Link: