www.austriamicrosystems.com

Revision 1.00

32 - 34

AS1545

Data Sheet - P a c k age Drawin gs an d Ma rkings

12 Package Drawings and Markings

Figure 55. 32-lead TQFN Package

Note:

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

2. All dimensions are in millimeters, angle is in degrees.

3. N is the total number of terminals.

4. Terminal #1 identifier and terminal numbering convention shall conform to JESD 95-1 SPP-012. Details of ter-

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

either a mold, embedded metal or mark feature.

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

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

7. 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 TERM INAL SIDE

Terminal Tip

e

e/2

5

-C-

SIDE VIEW

PLANE

ccc C

0.08 C

NX

SEATING

D

D/2

INDEX AREA

aaa C

TOP VIEW

2x

4

(D/2 xE/2)

-B-

NXb

D2/2

D2

2

1

bbb

C A B

ddd

C

-B-

NN-1

BTM VIEW

6

5

(D/2 xE/2)

INDEX AREA

4

SEE

DETAIL B

SEE

DETAIL B