TUSB2036 Datasheet, PDF (1/20 Pages) Texas Instruments – 2/3-PORT HUB FOR THE UNIVERSAL SERIAL BUS WITH OPTIONAL SERIAL EEPROM INTERFACE

TUSB2036
2/3-PORT HUB FOR THE UNIVERSAL SERIAL BUS
WITH OPTIONAL SERIAL EEPROM INTERFACE
SLLS372 – MARCH 2000
D Universal Serial Bus (USB) Version 1.1
Compliant
D Integrated USB Transceivers
D 3.3-V Low Power ASIC Logic
D One Upstream Port and 2-3 Programmable
Downstream Ports
– Total Number of Ports (2 or 3) Selected
by Input Pin
– Total Number of Permanently Connected
Ports Is Selected by 2 Input Pins
D Two Power Source Modes
– Self-Powered Mode
– Bus-Powered Mode
D All Downstream Ports Support Full-Speed
and Low-Speed Operations
D Power Switching and Overcurrent
Reporting Is Provided Per Port or Ganged
D Supports Suspend and Resume Operations
D Suspend Status Terminal Available for
External Logic Power Down
D Supports Custom Vendor ID and Product ID
With External Serial EEPROM
D 3-State EEPROM Interface Allows EEPROM
Sharing
D Push-Pull Outputs for PWRON Eliminate
the Need for External Pullup Resistors
D Noise Filtering on OVRCUR Provides
Immunity to Voltage Spikes
D Supports 6 MHz Operation Through Crystal
Input or 48 MHz Input Clock
D 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
D Available in 32-Pin LQFP Package With a
0.8 mm Pin Pitch (JEDEC – S-PQFP-G For
Low-Profile Quad Flat Pack)
VF PACKAGE
(TOP VIEW)
DP0
DM0
VCC
RESET
EECLK
EEDATA/GANGED
GND
BUSPWR
32 31 30 29 28 27 26 25
1
24
2
23
3
22
4
21
5
20
6
19
7
18
8
17
9 10 11 12 13 14 15 16
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.
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