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AS1545

Datasheet - P a c k a g e D r a w i n g s a n d M a r k i n g s

12 Package Drawings and Markings

Figure 55. 32-lead TQFN Package

Notes:

1. Figure 55 is shown for illustration only.

2. All dimensions are in millimeters; angles in degrees.

3. Dimensioning and tolerancing conform to ASME Y14.5 M-1994.

4. N is the total number of terminals.

5. The terminal #1 identifier and terminal numbering convention shall conform to JEDEC 95-1, SPP-012. Details of ter-

minal #1 identifier are optional, but must be located within the zone indicated. The terminal #1 identifier may be either

a mold or marked feature.

6. Dimension b applies to metallized terminal and is measured between 0.15mm and 0.30mm from the terminal tip.

7. ND refers to the maximum number of terminals on side D.

8. Unilateral coplanarity zone applies to the exposed heat sink slug as well as the terminals

Table 8. 32-lead TQFN Package Dimensions

Symbol

Min

Nom

Max

Note

Symbol

Min

Nom

Max

Note

A

0.70

0.75

0.80

1,2

b

0.18

0.25

0.30

1,2,5

A1

0.00

0.02

0.05

1,2

L

0.30

0.40

0.50

1,2,5

L1

0.03

0.15

1,2

N

32

1,2,5

K

0.20

1,2

ND

8

1,2,5

e0.5

NE

8

1,2,5

D2

3.30

3.45

3.55

1,2,5

aaa

0.10

1,2

E2

3.30

3.45

3.55

1,2,5

bbb

0.10

1,2

D BSC

5.00

1,2,5

ccc

0.10

1,2

E BSC

5.00

1,2,5

ddd

0.05

1,2

Datum A or B

EVEN TERMINAL SIDE

Terminal Tip

e

e/2

-C-

SIDE VIEW

PLANE

ccc C

0.08 C

SEATING

D

D/2

INDEX AREA

aaa C

TOP VIEW

2x

(D/2 xE/2)

-B-

b

D2/2

D2

bbb

C A B

ddd

C

-B-

NN-1

BTM VIEW

(D/2 xE/2)

INDEX AREA

SEE

DETAIL B

SEE

DETAIL B