VCC

GND

1

12

11

10

4

5

6

7

8

9

3

TXN

TXP

RXN

RXP

OS

NC

NC

NC

EQ

DE

2

TUSB551

www.ti.com

SLLSEJ1A – MARCH 2014 – REVISED MARCH 2014

6 Terminal Configuration and Functions

RWB Package

1.6 mm x 1.6 mm

(Top View)

Terminal Functions

TERMINAL

I/O

DESCRIPTION

NAME

NO.

VCC

1

Power

1.8 V Power Supply.

GND

2

GND

Ground.

Differential

RXP

3

Differential input for 5Gbps SuperSpeed positive signals.

input

Differential

RXN

4

Differential input for 5Gbps SuperSpeed negative signals.

input

NC

5, 9, 10

Not internally connected

OS

6

CMOS Input

Sets output swing on the TX. 2-state input with integrated pull-up and pull-down resistors.

EQ

7

CMOS Input

Sets equalizer gain on the RX. 3-state input with integrated pull-up and pull-down resistors.

Sets output de-emphasis on the TX. 3-state input with integrated pull-up and pull-down

DE

8

CMOS Input

resistors.

Differential

TXN

11

Differential output for 5Gbps SuperSpeed negative signals.

output

Differential

TXP

12

Differential output for 5Gbps SuperSpeed positive signals.

output

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