TUSB2036
2/3-PORT HUB FOR THE UNIVERSAL SERIAL BUS
WITH OPTIONAL SERIAL EEPROM INTERFACE
SLLS372 鈥?MARCH 2000
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Universal Serial Bus (USB) Version 1.1
Compliant
Integrated USB Transceivers
3.3-V Low Power ASIC Logic
One Upstream Port and 2-3 Programmable
Downstream Ports
鈥?Total Number of Ports (2 or 3) Selected
by Input Pin
鈥?Total Number of Permanently Connected
Ports Is Selected by 2 Input Pins
Two Power Source Modes
鈥?Self-Powered Mode
鈥?Bus-Powered Mode
All Downstream Ports Support Full-Speed
and Low-Speed Operations
Power Switching and Overcurrent
Reporting Is Provided Per Port or Ganged
Supports Suspend and Resume Operations
Suspend Status Terminal Available for
External Logic Power Down
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Supports Custom Vendor ID and Product ID
With External Serial EEPROM
3-State EEPROM Interface Allows EEPROM
Sharing
Push-Pull Outputs for PWRON Eliminate
the Need for External Pullup Resistors
Noise Filtering on OVRCUR Provides
Immunity to Voltage Spikes
Supports 6 MHz Operation Through Crystal
Input or 48 MHz Input Clock
Output Pin Available to Disable External
Pullup Resister on DP0 for 3 ms After Reset
or After Change on BUSPWR and Enable
Easy Implementation of On-Board Bus/Self
Power Dynamic Switching Circuitry
Available in 32-Pin LQFP Package With a
0.8 mm Pin Pitch (JEDEC 鈥?S-PQFP-G For
Low-Profile Quad Flat Pack)
VF PACKAGE
(TOP VIEW)
XTAL1/CLK48
EXTMEM
SUSPND
MODE
DP0PUR
XTAL2
GND
32 31 30 29 28 27 26 25
DP0
DM0
VCC
RESET
EECLK
EEDATA/GANGED
GND
BUSPWR
V CC
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16
OVRCUR1
DM1
OVRCUR2
DM2
DP1
PWRON1
PWRON2
DP2
NP3
NPINT1
NPINT0
OCPROT/PWRSW
DP3
DM3
OVRCUR3
PWRON3
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
漏
2000, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
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