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TUSB2046

Features: ` Universal Serial Bus (USB) Version 1.1 Compliant` 32-Pin TQFP Package With a 0.8 mm Pin 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 Suppo...

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SeekIC No. : 004533851 Detail

TUSB2046: Features: ` Universal Serial Bus (USB) Version 1.1 Compliant` 32-Pin TQFP Package With a 0.8 mm Pin Pitch` 3.3-V Low Power ASIC Logic` Integrated USB Transceivers` State Machine Implementation Requi...

TUSB2046 Data Sheet

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Part Number:
TUSB2046
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/26

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Product Details

Description



Features:

` Universal Serial Bus (USB) Version 1.1 Compliant
` 32-Pin TQFP Package With a 0.8 mm Pin 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 Over-current 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 forPWRON 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


Pinout

Connection Diagram


Specifications

Supply voltage range, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . 0.5 V to 3.6 V
Input voltage range, VI . . . . . . . . . . . . . . . . . . . . .  . . . . . . . 0.5 V to VCC + 0.5 V
Output voltage range, VO . . . . . . . . . . . . . . . . . . .  . . . . . . . 0.5 V to VCC + 0.5 V
Input clamp current, IIK, (VI < 0 V or VI > VCC) . . . . . . .. . . . . . . . . . . . . . . ±20 mA
Output clamp current, IOK, (VO < 0 V or VO > VCC) .  . . . . . . . . . . . . . . . . . ±20 mA
Storage temperature range, Tstg . . . . . . . . . . . . .  .. . . . . . . . . . . . 65 to 150
Operating free-air temperature range, TA . . . . . . . . . . . . . . . . . . . . . . . 0 to 70
† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: All voltage levels are with respect to GND.


Description

The TUSB2046 is a 3.3 V CMOS hub device that provides one upstream port and four downstream ports in compliance with the 1.1 Universal Serial Bus (USB) specification. Because this device is implemented with a digital state machine instead of a microcontroller, no firmware programming is required. Fully compliant USB transceivers are integrated into the ASIC for all upstream and downstream ports. The downstream ports support both full-speed and low-speed devices by automatically setting the slew rate according to the speed of the device attached to the ports. The configuration of the BUSPWR pin selects either the bus-powered or the self-powered mode.




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