1

LMH0356SQ-40

(top view)

SDI0

SDI0

SCO/SDO2

SCO/SDO2

SDI1

SDI1

ENABLE

SDI2

SDI2

SDI3

SDI3

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

30

29

28

27

26

25

24

23

22

21

40

39

38

37

36

35

34

33

32

31

SDO

SDO

NC

LOCK DET

NC

4

LMH0356

SNLS270L – AUGUST 2007 – REVISED JANUARY 2016

www.ti.com

Product Folder Links: LMH0356

Submit Documentation Feedback

Copyright © 2007–2016, Texas Instruments Incorporated

RSB Package

40-Pin WQFN

Top View

The exposed die attach pad is the primary negative electrical terminal for this device. It must be connected to the

negative power supply voltage.

Pin Functions

PIN

DESCRIPTION

NAME

WQFN

48 PIN

WQFN

40 PIN

BYPASS/

AUTO BYPASS

15

14

Bypass/Auto Bypass mode select. Bypasses reclocking when high. This pin has

an internal pulldown.

ENABLE

9

8

Device Enable. Powers down device when low. This pin has an internal pullup.

LF1

43

35

Loop Filter.

LF2

44

36

Loop Filter.

LOCK DETECT

24

23

PLL Lock Detect output (active high).

OUTPUT MUTE

16

15

Data and Clock Output Mute input. Mutes the output when low. This pin has an

internal pullup.

RATE0

45

37

Data Rate select input. This pin has an internal pulldown.

RATE1

46

38

Data Rate select input. This pin has an internal pulldown.

SCO/SDO2

28

24

Serial Clock or Serial Data Output 2 Complement.

SCO/SDO2

29

25

Serial Clock or Serial Data Output 2 True.

SCO_EN

37

32

Serial Clock or Serial Data 2 Output select. Sets second output to output the

clock when high and the data when low. This pin has an internal pulldown.

SD/HD

36

31

Data Rate Range output. Output is high for SD and low for HD or 3G.