74VCXH245MNR2 datasheet(2/8 Pages) ONSEMI

Nome de Peças	74VCXH245MNR2

Descrição Electrónicos	Low-Voltage 1.8/2.5/3.3 V 8-Bit Transceiver

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Fabricante Electrônico	ONSEMI [ON Semiconductor]

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74VCXH245

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2

B0

OE 19

T/R 1

A0

B1

A1

B2

A2

B3

A3

B4

A4

B5

A5

B6

A6

B7

A7

2

3

4

5

6

7

8

9

18

17

16

15

14

13

12

11

Figure 1. Logic Diagram

VCC = Pin 20

GND = Pin 10

TRUTH TABLE

OPERATING MODE

Non−Inverting

INPUTS

L

H

OE

T/R

L

H

X

B Data to A Bus

A Data to B Bus

Z State

H = High Voltage Level

L = Low Voltage Level

Z = High Impedance State

X = High or Low Voltage Level and Transitions are Acceptable

PIN NAMES

FUNCTION

Output Enable Input

Transmit/Receive Input

Side A Bushold Inputs or 3−State Outputs

Side B Bushold Inputs or 3−State Outputs

PINS

OE

T/R

A0−A7

B0−B7

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Condition

Unit

VCC

DC Supply Voltage

−0.5 to + 4.6

V

VI

DC Input Voltage

−0.5

≤ VI ≤ VCC + 0.5

V

VO

DC Output Voltage

−0.5

≤ VO ≤ VCC + 0.5

Note 1

V

IIK

DC Input Diode Current

−50

VI < GND

mA

IOK

DC Output Diode Current

−50

VO < GND

mA

+50

VO > VCC

mA

IO

DC Output Source/Sink Current

±50

mA

ICC

DC Supply Current Per Supply Pin

±100

mA

IGND

DC Ground Current Per Ground Pin

±100

mA

TSTG

Storage Temperature Range

−65 to +150

°C

Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit

values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,

damage may occur and reliability may be affected.

1. IO absolute maximum rating must be observed.

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