Product Brief AS3977

Revision No. 1.3, Date: 02-2007

Page 2 of 2

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merged, translated, stored, or used without the prior written consent of the copyright owner. To the best of its knowledge,

austriamicrosystems asserts that the information contained in this publication is accurate and correct.

Block Diagram AS3977

Package, Pin-out and Marking

16 pin QFN4x4 16LD

1

PREOUT

16

VREGRF

2

PAOUT

15

VCCPA

3

nc

14

nc

4

VCCPLL

13

VSS

5

ENABLE

12

MCCLK

6

CLK

11

DATAIO

7

XTALIN

10

VDD

8

XTALOUT

9

VREGDIG

ep

GND

AYWWXZ = Date Code and Plant ID

#1

2

3

49

10

11

12

5678

16

15

14

13

AYWWXZ

AS3977

optional