74LVC540A

Document number: DS35890 Rev. 1 - 2

2 of 10

www.diodes.com

July 2014

© Diodes Incorporated

74LVC540A

Ordering Information

74 LVC 540A xxx -13

Logic Device

Function

Package

Packing

74 : Logic Prefix

540 :

Octal

Buffer/Line

Driver with 3

State Outputs

T20 : TSSOP-20

-13 : 13” Tape & Reel

Q20 : QFN-20

Part Number

Package

Code

Package

(Note 4 & 5)

Package

Size

13” Tape and Reel

Quantity

Part Number Suffix

74LVC540AT20-13

T20

TSSOP-20

6.4mm X 6.5mm X 1.2mm

0.65 mm lead pitch

2500/Tape & Reel

-13

74LVC540AQ20-13

Q20

V-QFN4525-20

2.5mm X 4.5mm X 0.95mm

0.50 mm lead pitch

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

Pin

Name

Description

1

OE1

Output Enable 1

2

A1

Data Input

3

A2

Data Input

4

A3

Data Input

5

A4

Data Input

6

A5

Data Input

7

A6

Data Input

8

A7

Data Input

9

A8

Data Input

10

GND

Ground

11

B8

Data Output

12

B7

Data Output

13

B6

Data Output

14

B5

Data Output

15

B4

Data Output

16

B3

Data Output

17

B2

Data Output

18

B1

Data Output

19

OE2

Output Enable 2

20

Supply Voltage

Logic Diagram

Function Table

INPUTS

OUTPUT

OE1

OE2

A

Q

L

L

L

H

L

L

H

L

H

X

X

Z

X

H

X

Z