Is Now Part of To learn more about ON Semiconductor, please visit our website at

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1 Is Now Part of To learn more about ON Semiconductor, please visit our website at ON Semiconductor and the ON Semiconductor logo are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries. ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor s product/patent coverage may be accessed at ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by ON Semiconductor. Typical parameters which may be provided in ON Semiconductor data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including Typicals must be validated for each customer application by customer s technical experts. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized application, Buyer shall indemnify and hold ON Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.

2 February 2009 Low-Power, Single-Port, High-Speed USB 2.0 (480Mbps) Switch Features Low On Capacitance: 3.7pF (Typical) Low On Resistance: 6.5Ω (Typical) Low Power Consumption: 1µA (Maximum) 10µA Maximum I CCT Over an Expanded Control Voltage Range: V IN = 2.6V, V CC = 4.3V Wide -3dB Bandwidth: > 720MHz 8kV I/O to ESD Protection Power-off Protection When V CC = 0V, D+ / D- Pins Can Tolerate up to 5.5V Packaged in: 8-lead MicroPak (1.6 x 1.6mm) 8-lead US8 8-lead Ultrathin MLP (1.2 x 1.4mm) Applications Cell Phone, PDA, Digital Camera, and Notebook LCD Monitor, TV, and Set-top Box Related Resources AN-6022 Using the FSUSB30/31 to Comply with USB 2.0 Fault Condition Requirements Ordering Information Description The is a low-power, single-port, high-speed USB 2.0 switch. This part is configured as a double-pole, single-throw switch and is optimized for switching or isolating a high-speed (480Mbps) source or a high-speed and full-speed (12Mbps) source. The is compatible with the requirements of USB2.0 and features an extremely low on capacitance (C ON ) of 3.7pF. The wide bandwidth of this device (>720MHz) exceeds the bandwidth needed to pass the third harmonic, resulting in signals with minimum edge and phase distortion. Superior channel-to-channel crosstalk minimizes interference. The contains special circuitry on the D+ / D- pins that allows the device to withstand an over-voltage condition. This device is also designed to minimize current consumption even when the control voltage applied to the pin is lower than the supply voltage (V CC ). This feature is especially valuable for mobile applications, such as cell phones, allowing direct interface with the general-purpose I/Os of the baseband processor. Other applications include port isolation and switching in portable cell phones, PDAs, digital cameras, printers, and notebook computers. Part Number Package Eco Status Package Description K8X MAB08A Green 8-Lead US8, JEDEC MO-187, Variation CA 3.1mm Wide L8X MAC08A RoHS 8-Lead MicroPak, 1.6mm Wide UMX UMLP08A Green 8-Lead, Ultrathin Molded Leadless Package (UMLP), 1.2 x 1.4mm For Fairchild s definition of green Eco Status, please visit: Application Diagram V CC Base Band Processor or FS USB Controller D+ D USB Connector HS USB Controller Figure 1. Typical Application Diagram MicroPak is a trademark of Fairchild Semiconductor Corporation. Rev

3 Analog Symbol HSD+ D+ HSD D Control Figure 2. Analog Symbol Connection Diagrams NC HSD D V CC HSD+ D+ Figure 3. Pin Assignments for MicroPak NC HSD D 1 8 V CC HSD+ Pin Descriptions Pin Name D+, D, HSD+, HSD NC Truth Table HIGH LOW Description Bus Switch Enable Data Ports No Connect Function Disconnect D+, D = HSD+, HSD- 4 5 D+ Figure 4. Pin Assignments for US8 Figure 5. Pin Assignments for UMLP Rev

4 Absolute Maximum Ratings Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Symbol Parameter Minimum Maximum Unit V CC Supply Voltage V V S DC Input Voltage (1) -0.5 V CC V V IN DC Switch Voltage (1) HSD -0.5 V CC V D+, D -0.5 V CC V I IK DC Input Diode Current -50 ma I OUT DC Output Current 50 ma T STG Storage Temperature C Note: ESD Human Body Model: JESD22-A114 1.The input and output negative voltage ratings may be exceeded if the input and output diode current ratings are observed. Recommended Operating Conditions The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not recommend exceeding them or designing to absolute maximum ratings. Note: 2. Control input must be held HIGH or LOW and it must not float. All Pins 7.5 kv I/O to 8 kv Symbol Parameter Minimum Maximum Unit V CC Supply Voltage V V IN Control Input Voltage (2) 0 V CC V Switch Input Voltage 0 V CC V T A Operating Temperature C Rev

5 DC Electrical Characteristics All typical values are at 25 C unless otherwise specified. Symbol Parameter Conditions V CC (V) Increase in I CC Current I CCT per Control Voltage and V IN = 2.6V, V CC = 4.3V μa V CC Levels Notes: 3. Measured by the voltage drop between Dn, HSD, and Dn pins at the indicated current through the switch. On resistance is determined by the lower of the voltage on the two ports. 4. Guaranteed by characterization. AC Electrical Characteristics All typical values are for V CC = 3.3V are at 25 C unless otherwise specified. T A = 40 C to +85 C Figure Symbol Parameter Conditions V CC (V) Unit Min. Typ. Max. Number Note: 5. Guaranteed by characterization. T A = 40 C to +85 C Min. Typ. Max. V IK Clamp Diode Voltage I IN = 18mA V V IH Input Voltage HIGH Unit 3.0 to V V IL Input Voltage LOW 3.0 to V I IN Control Input Leakage V IN = 0V to V CC 0 to V CC μa I OZ OFF State Leakage 0 HSD V CC μa I OFF Power OFF Leakage Current (D+, D ) V IN = 0.0V to 4.3V, V CC = 0V μa R ON Switch On Resistance (3) V IN = 0.4V, I ON = 8mA Ω ΔR ON Delta R (4) ON V IN = 0.4V, I ON = 8mA Ω R ON Flatness R ON Flatness (3) V IN = 0.0V 1.0V, I ON = 8mA Ω t ON t OFF I CC Quiescent Supply Current Turn-On Time, to Output Turn-Off Time, to Output V IN = 0.0V or V CC, I OUT = 0 V IN = 0.8V, R L = 50Ω, C L = 5pF V IN = 0.8V, R L = 50Ω, C L = 5pF μa 3.0 to ns Figure to ns Figure 13 t PD Propagation Delay (5) R L = 50Ω, C L = 5pF ns t BBM O IRR Xtalk BW Break-Before-Make Off Isolation (Non-Adjacent) Non-Adjacent Channel Crosstalk -3dB Bandwidth R L = 50Ω, C L = 5pF, V IN = 0.8V Figure 11 Figure to ns Figure 14 R T = 50Ω, f = 240MHz 3.0 to db Figure 17 R T = 50Ω, f = 240MHz 3.0 to db Figure 18 R T = 50Ω, C L = 0pF to 3.6 R T = 50Ω, C L = 5pF 550 MHz Figure 16 Rev

6 USB Hi-Speed Related AC Electrical Characteristics Symbol Parameter Conditions V CC (V) t SK(O) t SK(P) Note: 6. Guaranteed by design. Capacitance T A = 40 C to +85 C Min. Typ. Max. Channel-to-Channel Skew (6) C L = 5pF 3.0 to ps Skew of Opposite Transitions of the C L = 5pF 3.0 to ps Same Output (6) t J Total Jitter (6) t R = t F = 500ps at 480 Mbps R L = 50Ω, C L = 5pF, (PRBS = ) Symbol Parameter Conditions Unit 3.0 to ps T A = 40 C to +85 C Min. Typ. Max. Unit Figure Number Figure 11 Figure 15 Figure 11 Figure 15 Figure Number C IN Control Pin Input Capacitance V CC = 0V 1.0 pf Figure 20 C ON On Capacitance V CC = 3.3V, = 0V 3.7 pf Figure 19 C OFF Off Capacitance V CC and = 3.3V 1.7 pf Figure 20 Rev

7 Typical Characteristics Gain (db) C L = 0pF V CC = 3.3V Frequency (MHz) Figure 6. Gain vs. Frequency Crosstalk (db) Off Isolation (db) Figure 8. Crosstalk 0 V CC = 3.3V 0-10 V CC = 3.3V Frequency (MHz) Frequency (MHz) Figure 7. Off Isolation Rev

8 Test Diagrams HSD V IN V IN V V ON R ON = V ON / I ON Figure 9. On Resistance HSD Dn V S = 0 to V CC D+, D R S C L * Figure 11. AC Test Circuit Load R L, R S, and C L are functions of the application environment (see AC Electrical tables for specific values). *C L includes test fixture and stray capacitance. R L I ON V OUT Input: NC t RISE = 500ps 400mV HSD+, HSD Output: D+, D 0V V OH V OL ID n(off) V S = 0 or V CC Figure 10. Off Leakage V IN Figure 12. Switch Propagation Delay Waveforms (t PD ) A Each switch port is tested separately. 90% 90% 10% 10% t PLH t FALL = 500ps t PHL t RISE = 2.5ns t FALL = 2.5ns Input V CC 90% V CC /2 90% V CC /2 10% 10% Output V OUT V OH 90% 90% V OL t ON t OFF Figure 13. Turn On / Turn Off Waveform (t ON / t OFF ) Rev

9 Test Diagrams (Continued) V O Control Input HSDn HSDn S V CC V CC D+, D *C L includes test fixture and stray capacitance. Input: t RISE = 500ps 400mV HSDn+ HSDn Output: D+, D 0V V OH V OL 90% 90% t PLH T SK(P) = t PHL t PLH Pulse Skew, T SK(P) R L V OUT C L * Control Input V CC 0V V OUT Figure 14. Break-Before-Make (t BBM ) t FALL = 500ps 10% 10% t PHL Output1: t RISE = 500ps 400mV Input: D+, D 0V V OH HSD1+ HSD1 V OL V OH Output1: D2+, D2 V OL t PLH1 t R = t F = 2.5ns (10 90%) t D 90% 90% 10% 10% t PLH2 0.9 x V OUT t FALL = 500ps t PHL1 T SK(O) = t PLH1 t PLH2 or t PHL1 t PHL2 Output Skew, T SK(OUT) t PHL2 Figure 15. Switch Skew Tests Network Analyzer R S V V IN V S R S and R T are functions of the application environment (see AC Electrical Tables for specific values). Figure 16. Bandwidth R T V OUT Rev

10 Test Diagrams (Continued) V V OFF-Isolation = 20 Log (V OUT / V IN ) R T Figure 17. Channel Off Isolation NC R T R S and R T are functions of the application environment (50, 75 or 100Ω). Crosstalk = 20 Log (V OUT / V IN ) Network Analyzer Figure 18. Non-Adjacent Channel-to-Channel Crosstalk V IN R S V IN V OUT R T R S V S Network Analyzer R T V S V OUT Capacitance Meter F = 240MHz Dn V = 0 or V CC Capacitance Meter Dn V = 0 or V CC HSDn F = 240MHz HSDn Figure 19. Channel On Capacitance Figure 20. Channel Off Capacitance Rev

11 Application Guidance: Meeting USB 2.0 Vbus Short Requirements In section of the USB 2.0 specification, it notes that USB devices must be able to withstand a Vbus short to D+ or D- when the USB devices is either powered off or powered on. The can be successfully configured to meet both these requirements. Power-Off Protection For a Vbus short circuit, the switch is expected to withstand such a condition for at least 24 hours. The has specially designed circuitry which prevents unintended signal bleed through as well as guaranteed system reliability during a power-down, overvoltage condition. The protection has been added to the common pins (D+, D-). HSD+ HSD- 100 Ohms V CC = 3.6 V Power-On Protection The USB 2.0 specification also notes that the USB device should be capable of withstanding a Vbus short during transmission of data. Fairchild recommends adding a 100Ω series resister between the switch VCC pin and supply rail to protect against this case. This modification works by limiting current flow back into the VCC rail during the over-voltage event so current remains within the safe operating range. In this application, the switch passes the full 5.25V input signal through to the selected output, while maintaining specified off isolation on the un-selected pins. D+ = 5.25V D- = 5.25V Figure 21. A 100Ω resistor in series with the V CC supply allows the to withstand a Vbus short when powered up For more information, see Applications Note AN-6022 Using the FSUSB30/ to Comply with USB 2.0 Fault Condition Requirements at Rev

12 Physical Dimensions Figure Lead US8, JEDEC MO-187, Variation CA 3.1mm Wide For MicroPak tape and reel specifications, please visit Fairchild s website: Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor s online packaging area for the most recent package drawings: Rev

13 Physical Dimensions (Continued) 2X DETAIL A 8X(0.09) C B INDEX AREA (0.1) X X(0.2) TOP VIEW BOTTOM VIEW 2X C 0.05 C Notes: 1. PACKAGE CONFORMS TO JEDEC MO-255 VARIATION UAAD 2. DIMENSIONS ARE IN MILLIMETERS 3. DRAWING CONFORMS TO ASME Y.14M PIN 1 FLAG, END OF PACKAGE OFFSET 5. DRAWING FILE NAME: MKT-MAC08AREV4 A 8X 0.10 C 0.55 MAX 0.05 C 0.10 C A B 0.05 C Recommended Landpattern (0.15) (0.20) DETAIL A PIN #1 TERMINAL SCALE: 2X MAC08AREV4 Figure Lead MicroPak, 1.6mm Wide For MicroPak tape and reel specifications, please visit Fairchild s website: Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor s online packaging area for the most recent package drawings: Rev

14 Physical Dimensions (Continued) 2X 0.05 C DETAIL A PIN#1 IDENT 0.10 C B TOP VIEW (0.2) 5 2X BOTTOM VIEW A X 0.10 C 0.55 MAX C SEATING PLANE X C A B 0.05 C 0.05 C DETAIL: A SCALE : 2x X X NOTES: A. DS NOT CONFORMS TO JEDEC STANDARD. B. DIMENSIONS ARE IN MILLIMETERS. C. DIMENSIONS AND TOLERANCES CONFORMS TO ASME Y14.5M, D. DRAWING FILE NAME : UMLP08Arev1 Figure Lead, Ultrathin Molded Leadless Package (UMLP), 1.2 x 1.4mm For MicroPak tape and reel specifications, please visit Fairchild s website: Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor s online packaging area for the most recent package drawings: Rev

15 2006 Fairchild Semiconductor Corporation 14 Rev

16 ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries. ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor s product/patent coverage may be accessed at Marking.pdf. ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by ON Semiconductor. Typical parameters which may be provided in ON Semiconductor data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including Typicals must be validated for each customer application by customer s technical experts. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized application, Buyer shall indemnify and hold ON Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor E. 32nd Pkwy, Aurora, Colorado USA Phone: or Toll Free USA/Canada Fax: or Toll Free USA/Canada orderlit@onsemi.com Semiconductor Components Industries, LLC N. American Technical Support: Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: Japan Customer Focus Center Phone: ON Semiconductor Website: Order Literature: For additional information, please contact your local Sales Representative

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