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TUSB2040A

Features: ` Universal Serial Bus (USB) Version 1.0 Compliant` Integrated USB Transceivers` Four Downstream Ports` Two Power Source Modes Self-Powered Mode Bus-Powered Mode` Power Switching and Overcurrent Reporting is Provided Ganged or Per Port` All Downstream Ports Support Full-Speed and Low-Spe...

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SeekIC No. : 004533847 Detail

TUSB2040A: Features: ` Universal Serial Bus (USB) Version 1.0 Compliant` Integrated USB Transceivers` Four Downstream Ports` Two Power Source Modes Self-Powered Mode Bus-Powered Mode` Power Switching and Overc...

TUSB2040A Data Sheet

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Part Number:
TUSB2040A
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: 2024/11/27

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Product Details

Description



Features:

` Universal Serial Bus (USB) Version 1.0 Compliant
` Integrated USB Transceivers
` Four Downstream Ports
` Two Power Source Modes Self-Powered Mode Bus-Powered Mode
` Power Switching and Overcurrent Reporting is Provided Ganged or Per Port
` All Downstream Ports Support Full-Speed and Low-Speed Operations
` Supports Suspend and Resume Operations
` Pin-to-Pin Compatible with the TUSB2040 Device when EXTMEM Pin is Low
` Supports Programmable Vendor ID and Product ID With External Serial EEPROM
` Tri-State EEPROM Interface Allows EEPROM Sharing
` Available in 28-Pin DIP and 48-Pin TQFP Packages
` 3.3-V Operation


Pinout

Connection Diagram




Specifications

Supply voltage range, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . 0.5 V to 3.8 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
† 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 TUSB2040A hub is a 3.3-V CMOS device that provides up to four downstream ports in compliance with the USB specification 1.0 version. Pin 21 (EXTMEM) enables or disables the EEPROM interface. When EXTMEM is low,the TUSB2040A is functionally equivalent to the TUSB2040 hub and the product ID (PID) displayed during enumeration is General Purpose USB Hub. For this configuration, pins 9 and 10 are the BUSPWR and GANGED input pins,respectively.

If programmable vendor ID(VID) and product ID(PID) descriptors are desired, pin 21 must be high (EXTMEM = 1) and a SGS Thompson M93C46 or equivalent EEPROM must be connected to pins 9 and 10. For this configuration,the values for BUSPWR and GANGED are stored in the EEPROM and pins 9 and 10 become the EEPROM interface.




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