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ISL54223IRUZ-T 데이터시트(PDF) 1 Page - Intersil Corporation |
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ISL54223IRUZ-T 데이터시트(HTML) 1 Page - Intersil Corporation |
1 / 13 page 1 ® FN6836.0 ISL54223 High-Speed USB 2.0 (480Mbps) Multiplexer The Intersil ISL54223 is a single supply dual 2:1 multiplexer that can operate from a single 1.8V to 3.3V supply. It contains two SPDT (Single Pole/Double Throw) switches configured as a DPDT. The part was designed for switching or routing of USB High-Speed signals and/or USB Full-speed signals in portable battery powered products. The 5.5 Ω switches can swing rail-to-rail and were specifically designed to pass USB full speed data signals that range from 0V to 3.3V and USB high speed data signals that range from 0V to 400mV with a single supply as low as 1.8V. They have high bandwidth and low capacitance to pass USB high speed data signals with minimal distortion. The part can be used in Personal Media Players and other portable battery powered devices that need to route USB high-speed signals and/or full-speed signals to different transceiver sections of the device while connected to a single USB host (computer). The digital logic inputs are 1.8V logic compatible when operated with a 1.8V to 3.3V supply. The ISL54223 has an output enable pin to open all the switches. It can be used to facilitate proper bus disconnect and connection when switching between the USB sources. The ISL54223 is available in a 10 Ld 2.1mmx1.6mm µTQFN package. It operates over a temperature range of -40 to +85°C. Features • High-Speed (480Mbps) and Full-Speed (12Mbps) Signaling Capability per USB 2.0 • 1.8V Logic Compatible • Enable Pin to Open all Switches • Power OFF Protection • D-/D+ Pins Overvoltage Tolerant to 5.5V • -3dB Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . 782MHz • Low ON Capacitance. . . . . . . . . . . . . . . . . . . . . . . . 6.5pF • Low ON-Resistance. . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 Ω • Single Supply Operation (VDD) . . . . . . . . . . . . 1.8V to 3.3V • Available in µTQFN Package • Pb-Free (RoHS Compliant) • Compliant with USB 2.0 Short Circuit and Overvoltage Requirements Without Additional External Components Applications • MP3 and other Personal Media Players • Cellular/Mobile Phones •PDA’s • Digital Cameras and Camcorders • USB Switching Application Block Diagram PORTABLE MEDIA DEVICE ISL54223 USB TRANSCEIVER HIGH-SPEED D- D+ SEL GND HSD1- HSD1+ HSD2- HSD2+ VDD OE LOGIC CIRCUITRY µCONTROLLER USB TRANSCEIVER FULL-SPEED VBUS D- D+ GND OR FULL-SPEED HIGH_SPEED OR #1 #2 Data Sheet February 9, 2009 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2009. All Rights Reserved All other trademarks mentioned are the property of their respective owners. |
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