EL5123, EL5223, EL5323, EL5423

FN7176 Rev 3.00

Page 15 of 17

August 31, 2010

QFN (Quad Flat No-Lead) Package Family

PIN #1

I.D. MARK

2

1

3

2X

0.075

TOP VIEW

NE

2

3

1

PIN #1 I.D.

b

L

BOTTOM VIEW

DETAIL X

PLANE

SEATING

N LEADS

C

SEE DETAIL "X"

A1

(L)

N LEADS

& EXPOSED PAD

0.10

SIDE VIEW

0.10

B

A

M C

C

B

A

E

2X

0.075 C

D

3

5

7

(E2)

(D2)

e

0.08 C

C

(c)

A

2

C

MDP0046

QFN (QUAD FLAT NO-LEAD) PACKAGE FAMILY

(COMPLIANT TO JEDEC MO-220)

SYMBOL

MILLIMETERS

TOLERANCE

NOTES

QFN44 QFN3

QFN32

A

0.90

0.90

0.90

0.90

±0.10

-

A1

0.02

0.02

0.02

0.02

+0.03/-0.02

-

b

0.25

0.25

0.23

0.22

±0.02

-

c

0.20

0.20

0.20

0.20

Reference

-

D

7.00

5.00

8.00

5.00

Basic

-

D2

5.10

3.80

5.80 3.60/2.48

Reference

8

E

7.00

7.00

8.00

6.00

Basic

-

E2

5.10

5.80

5.80 4.60/3.40

Reference

8

e

0.50

0.50

0.80

0.50

Basic

-

L

0.55

0.40

0.53

0.50

±0.05

-

N

44

38

32

32

Reference

4

ND

11

7

8

7

Reference

6

NE

11

12

8

9

Reference

5

SYMBOL

MILLIMETERS

TOLER-

ANCE

NOTES

QFN28 QFN2

QFN20

QFN16

A

0.90

0.90

0.90

0.90

0.90

±0.10

-

A1

0.02

0.02

0.02

0.02

0.02

+0.03/

-0.02

-

b

0.25

0.25

0.30

0.25

0.33

±0.02

-

c

0.20

0.20

0.20

0.20

0.20

Reference

-

D

4.00

4.00

5.00

4.00

4.00

Basic

-

D2

2.65

2.80

3.70

2.70

2.40

Reference

-

E

5.00

5.00

5.00

4.00

4.00

Basic

-

E2

3.65

3.80

3.70

2.70

2.40

Reference

-

e

0.50

0.50

0.65

0.50

0.65

Basic

-

L

0.40

0.40

0.40

0.40

0.60

±0.05

-

N

28

24

20

20

16

Reference

4

ND

6

5

5

5

4

Reference

6

NE

8

7

5

5

4

Reference

5

Rev 11 2/07

NOTES:

1. Dimensioning and tolerancing per ASME Y14.5M-1994.

2. Tiebar view shown is a non-functional feature.

3. Bottom-side pin #1 I.D. is a diepad chamfer as shown.

4. N is the total number of terminals on the device.

5. NE is the number of terminals on the “E” side of the package

(or Y-direction).

6. ND is the number of terminals on the “D” side of the package

(or X-direction). ND = (N/2)-NE.

7. Inward end of terminal may be square or circular in shape with radius

(b/2) as shown.

8. If two values are listed, multiple exposed pad options are available.

Refer to device-specific datasheet.