74LVC245ADTR2G datasheet(2/9 Pages) ONSEMI

Il numero della parte	74LVC245ADTR2G

Spiegazioni elettronici	Low-Voltage CMOS Octal Buffer

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74LVC245A

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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. Pinout (Top View)

19

20

18

17

16

15

14

2

1

3

4567

VCC

13

8

12

9

11

10

OE

B0

B1

B2

B3

B4

B5

B6

B7

T/R

A0

A1

A2

A3

A4

A5

A6

A7

GND

PIN NAMES

FUNCTION

Output Enable Input

Transmit/Receive Input

Side A 3−State Inputs or 3−State Outputs

Side B 3−State Inputs or 3−State Outputs

PINS

OE

T/R

A0−A7

B0−B7

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

H = High Voltage Level

L = Low Voltage Level

Z = High Impedance State

X = High or Low Voltage Level and Transitions are Acceptable

For ICC reasons, Do Not Float Inputs

Figure 2. Logic Diagram

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Produttore elettronici	Il numero della parte	Scheda tecnica	Spiegazioni elettronici
NXP Semiconductors	74LVC245AD	125Kb / 20P	Octal bus transceiver with direction pin with 5 V tolerant input/outputs (3-state) 2003 May 07
NXP Semiconductors	74LVC245AD	122Kb / 17P	Octal bus transceiver; 3-state Rev. 05-25 August 2009
Nexperia B.V. All right...	74LVC245AD	289Kb / 16P	Octal bus transceiver; 3-state Rev. 12 - 16 September 2021
NXP Semiconductors	74LVC245AD-Q100	243Kb / 16P	Octal bus transceiver; 3-state Rev. 1-3 September 2012
Nexperia B.V. All right...	74LVC245AD-Q100	263Kb / 15P	Octal bus transceiver; 3-state Rev. 4 - 5 August 2020

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