Rev. 1.10

�� of �5

���i� 1�� �01�

��-bit �RM Co�tex™-M� MCU

HT��F1�51/51B/5�/5�

Note that the package information provided here is for consultation purposes only. As this

information may be updated at regular intervals users are reminded to consult the Holtek website

(http://www.holtek.com.tw/english/literature/package.pdf) for the latest version of the package

information.

48-pin LQFP (7mmx7mm) Outline Dimensions

48-pin LQFP (7mm´7mm) Outline Dimensions

Symbol

Dimensions in inch

Min.

Nom.

Max.

A

0.350

¾

0.358

B

0.272

¾

0.280

C

0.350

¾

0.358

D

0.272

¾

0.280

E

¾

0.020

¾

F

¾

0.008

¾

G

0.053

¾

0.057

H

¾¾

0.063

I

¾

0.004

¾

J

0.018

¾

0.030

K

0.004

¾

0.008

a

0°¾

7°

Symbol

Dimensions in mm

Min.

Nom.

Max.

A

8.90

¾

9.10

B

6.90

¾

7.10

C

8.90

¾

9.10

D

6.90

¾

7.10

E

¾

0.50

¾

F

¾

0.20

¾

G

1.35

¾

1.45

H

¾¾

1.60

I

¾

0.10

¾

J

0.45

¾

0.75

K

0.10

¾

0.20

a

0°¾

7°

Package Information

1

May 12, 2010

3

6

2

5

3

7

2

4

1

3

1

2

1

4

8

A

B

C

D

E

F

G

H

I

J

K

=

Symbol

Dimensions in inch

Min.

Nom.

Max.

�

0.�50

―

0.�58

B

0.�7�

―

0.�80

C

0.�50

―

0.�58

D

0.�7�

―

0.�80

E

―

0.0�0

―

F

―

0.008

―

G

0.05�

―

0.057

H

―

―

0.06�

I

―

0.004

—

J

0.018

―

0.0�0

K

0.004

―

0.008

α

0°

―

7°