74LVC245AQ20-13 查看數據表（PDF） - Diodes Incorporated.

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74LVC245AQ20-13

OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS

Diodes Incorporated. 

74LVC245A

Ordering Information

74 LVC 245A xxx -13

Logic Device

74 : Logic Prefix

245 :

Function

Octal Bus

Transceiver with

3-state Outputs

Package

T20 : TSSOP-20

Q20 : QFN-20

Packing

-13 : 13” Tape & Reel

Part Number

74LVC245AT20-13

74LVC245AQ20-13

Package

Code

T20

Q20

Package

(Note 4 & 5)

TSSOP-20

V-QFN4525-20

Package

Size

6.4mm X 6.5mm X 1.2mm

0.65 mm lead pitch

2.5mm X 4.5mm X 0.95mm

0.50 mm lead pitch

13” Tape and Reel

Quantity

Part Number Suffix

2500/Tape & Reel

-13

2500/Tape & Reel

-13

Notes:

4. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at

http://www.diodes.com/datasheets/ap02001.pdf.

5. V-QFN4525-20 is a JEDEC recognized naming convention that specifies the package thickness category as V and the number 4525 describes the

package as 4.5mm X 2.5mm.

Pin Descriptions

Pin

Number

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

Pin

Name

DIR

1A1

2Y4

1A2

2Y3

1A3

2Y2

1A4

2Y1

GND

2A1

1Y4

2A2

1Y3

2A3

1Y2

2A4

1Y1

2OE

Vcc

Description

Output Enable 1

Data Input

Data Output

Data Input

Data Output

Data Input

Data Output

Data Input

Data Output

Ground

Data Input

Data Output

Data Input

Data Output

Data Input

Data Output

Data Input

Data Output

Output Enable 2

Supply Voltage

Logic Diagram

Function Table

INPUTS

OE

DIR

L

L

L

H

H

X

Operation

B Data to A Bus

A Data to B Bus

Bus Isolation

74LVC245A

Document number: DS35890 Rev. 1 - 2

2 of 10

www.diodes.com

August 2014

© Diodes Incorporated

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