74LVC273A

Document number: DS35892 Rev. 1 - 2

2 of 10

www.diodes.com

June 2014

© Diodes Incorporated

74LVC273A

Ordering Information

74 LVC 273A xxx -13

Logic Device

Function

Package

Packing

74 : Logic Prefix

273 :

Octal D-Type

Flip-Flop with

Clear

T20 : TSSOP-20

-13 : 13” Tape & Reel

Q20 : QFN-20

Device

Package

Code

Package

(Note 4 & 5)

Package

Size

13” Tape and Reel

Quantity

Part Number Suffix

74LVC273AT20-13

T20

TSSOP-20

6.4mm X 6.5mm X 1.2mm

0.65 mm lead pitch

2500/Tape & Reel

-13

74LVC273AQ20-13

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

CLR

Clear

2

Q1

Latch Output

3

D1

Data Input

4

D2

Data Input

5

Q2

Latch Output

6

Q3

Latch Output

7

D3

Data Input

8

D4

Data Input

9

Q4

Latch Output

10

GND

Ground

11

CLK

Clock

12

Q5

Latch Output

13

D5

Data Input

14

D6

Data Input

15

Q6

Latch Output

16

Q7

Latch Output

17

D7

Data Input

18

D8

Data Input

19

Q8

Latch Output

20

Vcc

Supply Voltage

Logic Diagram

Function Table

(Each Flip-Flop)

INPUTS

OUTPUT

CLR

CLK

D

Q

L

X

X

L

H

↑

H

H

H

↑

L

L

H

L

X