SUSPND

XTAL1

XTAL2

RESET

TSTPLL/48MCLK

EEDATA/GANGED

EECLK

10, 14, 18, 22

8

5

6

26

4

29

30

27

32

1

2

24

23

20

19

16

15

12

11

9, 13, 17, 21

BUSPWR

OVRCUR1

OVRCUR4

–

PWRON1

PWRON4

–

EXTMEM

DP0

DP4

DP3

DP2

DP1

DM0

DM4

DM3

DM2

DM1

USB

Transceiver

Suspend/Resume

Logic and

Frame Timer

HUB Repeater

SIE

USB

Transceiver

USB

Transceiver

USB

Transceiver

USB

Transceiver

OSC/PLL

Serial

EEPROM

Interface

Hub/Device

Command

Decoder

Port 4

Logic

Port 3

Logic

Port 2

Logic

Port 1

Logic

SIE Interface

Logic

Hub

Power

Logic

TUSB2046B

TUSB2046BI

www.ti.com

SLLS413I – FEBRUARY 2000 – REVISED SEPTEMBER 2013

ORDERING INFORMATION

ORDERABLE PART NUMBER

TOP-SIDE MARKING

TUSB2046BVF

Reel of 250

TUSB2046BVFG4

0°C to 70°C

LQFP – VF

TUSB2046B

TUSB2046BVFR

Reel of 1000

TUSB2046BVFRG4

TUSB2046BIVFR

LQFP – VF

Reel of 1000

USB2046BI

TUSB2046BIVFRG4

–40°C to 85°C

Reel of 250

TUSB2046BIRHB

TUSB

QFN – RHB

Reel of 3000

TUSB2046BIRHBR

2046BI

Reel of 250

TUSB2046BIRHBT

(1)

For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI

website at www.ti.com.

FUNCTIONAL BLOCK DIAGRAM

Copyright © 2000–2013, Texas Instruments Incorporated

Submit Documentation Feedback

3

Product Folder Links: TUSB2046B TUSB2046BI