TUSB2046BIVFRG4 Datasheet, PDF (1/25 Pages) Texas Instruments – 4-PORT HUB FOR THE UNIVERSAL SERIAL BUSWITH OPTIONAL SERIAL EEPROM INTERFACE

TUSB2046B
TUSB2046BI
www.ti.com
SLLS413I – FEBRUARY 2000 – REVISED SEPTEMBER 2013
4-PORT HUB FOR THE UNIVERSAL SERIAL BUS
WITH OPTIONAL SERIAL EEPROM INTERFACE
Check for Samples: TUSB2046B, TUSB2046BI
FEATURES
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• Fully Compliant With the USB Specification as
a Full-Speed Hub: TID #30220231
• 32-Terminal LQFP ⁽¹⁾ Package With a 0.8-mm
Terminal Pitch or QFN Package with a 0.5-mm
Terminal Pitch
• 3.3-V Low Power ASIC Logic
• Integrated USB Transceivers
• State Machine Implementation Requires No
Firmware Programming
• One Upstream Port and Four Downstream
Ports
• All Downstream Ports Support Full-Speed and
Low-Speed Operations
• Two Power Source Modes
– Self-Powered Mode
– Bus-Powered Mode
• Power Switching and Overcurrent Reporting Is
Provided Ganged or Per Port
• Supports Suspend and Resume Operations
• Supports Programmable 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
• Package Pinout Allows 2-Layer PCB
• Low EMI Emission Achieved by a 6-MHz
Crystal Input
• Migrated From Proven TUSB2040 Hub
• Lower Cost Than the TUSB2040 Hub
• Enhanced System ESD Performance
• No Special Driver Requirements; Works
Seamlessly With Any Operating System With
USB Stack Support
• Supports 6-MHz Operation Through a Crystal
Input or a 48-MHz Input Clock
(1) JEDEC descriptor S-PQFP-G for low profile quad flat pack
(LQFP).
VF PACKAGE
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RHB PACKAGE
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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 the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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