AU6254, AU6254(48PIN), AU6331 Selling Leads, Datasheet
MFG:ALCOR Package Cooled:TQFP48 D/C:07+
AU6254, AU6254(48PIN), AU6331 Datasheet download
Part Number: AU6254
MFG: ALCOR
Package Cooled: TQFP48
D/C: 07+
AU6254, AU6254(48PIN), AU6331
- Table of contents:
Info of AU6254
Info of AU6254(48PIN)
Info of AU6331
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About AU6254
PDF/DataSheet Download
Datasheet: AU6254
File Size: 951202 KB
Manufacturer: Device Bridge Controller Series
Download : Click here to Download
About AU6254
PDF/DataSheet Download
Datasheet: AU6254
File Size: 951202 KB
Manufacturer: Device Bridge Controller Series
Download : Click here to Download
About AU6331
PDF/DataSheet Download
Datasheet: AU6331
File Size: 741049 KB
Manufacturer:
Download : Click here to Download
AU6254 General Description
AU6254 is a fully compliant with the USB 2.0 hub specification and is designed to work with USB host as a high-speed hub. Its built-in TT (Transaction Translator) allows system to benefit combinational performance under the unbalanced traffic condition.
AU6254 supports four USB downstream ports and one upstream port. Each downstream port could be a device of high-speed, full-speed or low-speed traffic, while the upstream port supports both high-speed and full-speed traffic. For each downstream port it has individual power switch control built-in as over-current sensing control.
In addition to the application as a stand-alone hub, AU6254 is also very suitable for using in notebook and motherboard design to provide additional USB port. All these product advantages should be attributed to its compliance to standards, performance and low power consumption.
AU6254 Maximum Ratings
|
SYMBOL |
PARAMETER |
RATING |
UNITS |
|
VDDH |
Power Supply |
- 0.3 to 4.0 |
V |
|
VIN |
Input signal Voltage for I/O pins |
-0.3 to VDDH |
V |
|
VOUT |
Output Voltage |
± 0.3 to VDDH |
V |
|
TSTG |
Storage Temperature |
-40 to 150 |
AU6254 Features
• Fully compliant with USB Hub Specification version 2.0 and is also backward compatible with USB Hub specification 1.1.
• Single chip USB 2.0 hub controller.
• Supports four bus-powered/self-powered downstream ports.
• Supports automatic switching between bus- and self-powered modes.
• Cost effective design using one transaction translator for all downstream ports.
• Two-color LED controls available for each downstream port to indicate the status of each device port.
• Extra low power consumption.
• On chip internal pull-up and meets USB bus power regain emend pull down resistors for all data line.
• Built-in USB 2.0 transceiver.
• Supports individual and gang modes of power management.
• Built-in power switch control for over current sensing control.
• Built-in 1.8V regulator for core logic.
• Embedded in PLL (Phase Lock Loop) circuit for 12MHz operation precision
• Supports external EEPROM interface for customized PID and VID
• Available in two different form factors: 48-pin LQFP package and 64-pin LQFP package.
• Single chip USB 2.0 hub controller.
• Supports four bus-powered/self-powered downstream ports.
• Supports automatic switching between bus- and self-powered modes.
• Cost effective design using one transaction translator for all downstream ports.
• Two-color LED controls available for each downstream port to indicate the status of each device port.
• Extra low power consumption.
• On chip internal pull-up and meets USB bus power regain emend pull down resistors for all data line.
• Built-in USB 2.0 transceiver.
• Supports individual and gang modes of power management.
• Built-in power switch control for over current sensing control.
• Built-in 1.8V regulator for core logic.
• Embedded in PLL (Phase Lock Loop) circuit for 12MHz operation precision
• Supports external EEPROM interface for customized PID and VID
• Available in two different form factors: 48-pin LQFP package and 64-pin LQFP package.
AU6254 Connection Diagram
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