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TUSB2043 Datasheet(PDF) 1 Page - Texas Instruments |
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TUSB2043 Datasheet(HTML) 1 Page - Texas Instruments |
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TUSB2043 4-PORT HUB FOR THE UNIVERSAL SERIAL BUS WITH OPTIONAL SERIAL EEPROM INTERFACE SLLS308A – FEBRUARY 1999 – REVISED AUGUST 1999 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Universal Serial Bus (USB) Version 1.1 Compliant D 32-Pin TQFP Package With a 0.8 mm Pin Pitch D 3.3-V Low Power ASIC Logic D Integrated USB Transceivers D State Machine Implementation Requires No Firmware Programming D One Upstream Port and Four Downstream Ports D All Downstream Ports Support Full-Speed and Low-Speed Operations D Two Power Source Modes – Self-Powered Mode – Bus-Powered Mode D Power Switching and Over-Current Reporting is Provided Ganged or Per Port D Supports Suspend and Resume Operations D Supports Programmable 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 Package Pinout Allows 2-Layer PCB D Migrated From Proven TUSB2040 Hub D Lower Cost Than the TUSB2040 Hub description The TUSB2043 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. Copyright © 1999, Texas Instruments Incorporated 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. 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. VF PACKAGE (TOP VIEW) 31 30 29 28 27 910 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 DP4 DM4 OVRCUR4 PWRON4 DP3 DM3 OVRCUR3 PWRON3 DP0 DM0 VCC RESET EECLK EEDATA/GANGED GND BUSPWR 32 26 11 12 13 14 15 16 25 |
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