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TC7USB31FK 2014-03-01 1 toshiba cmos digital integrat ed ci rcuit silicon monolithic TC7USB31FK dual spst usb switch tc7usb31 is high-speed cmos dual spst usb switch. the low on- resistance and the low capacitance of the switch allow connections to usb application. the tc7usb31 requires the output enable ( oe ) input to be set high to place the output into the high impedance. all inputs are equipped with prot ection circuits against static discharge. features ? operating voltage: v cc = 2.3 to 3.6 v ? on-capacitance: c i/o = 4 pf switch on (typ.) v cc = 3.3 v ? on-resistance: r on = 4.5 ? (typ.) v cc = 3 v, v i/o = 0 v ? r on flatness: r on(flat) = 1.2 ? (typ.) v cc = 3 v ? delta r on : r on = 0.5 ? (typ.) v cc = 3 v ? esd performance: machine model 200v human body model 2000v ? power-down protection for inputs ( oe and i/o) ? package : us8 pin assignment (top view) TC7USB31FK weight ssop8-p-0.50a : 0.01 g (typ) fk (ssop8-p-0.50a) v cc hsd+ d+ oe hsd- d- gnd nc 8 7 6 5 1 2 3 4 u s b 3 1 start of commercial production 2009-09
TC7USB31FK 2014-03-01 2 truth table inputs oe function l a port = b port h disconnect system diagram oe hsd- d- oe hsd+ d+
TC7USB31FK 2014-03-01 3 absolute maximum ratings (note) characteristic symbol rating unit power supply range v cc ?0.5 to 4.6 v control pin input voltage ( oe ) v in ? 0.5 to 4.6 v v cc =0v or switch=off ? 0.5 to 4.6 switch terminal i/o voltage switch=on v s ? 0.5 to v cc +0.5 v control input ? 50 clump diode current switch i ik 50 ma switch i/o current i s 50 ma power dissipation p d 200 mw dc v cc /gnd current i cc /i gnd 100 ma storage temperature t stg ? 65 to 150 c note: exceeding any of the absolute maximum ratings, even br iefly, lead to deterioration in ic performance or even destruction. using continuously under heavy loads (e.g. the application of high temp erature/current/voltage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. oper ating temperature/current/voltage, etc. ) are within the absolute maximum ratings and the operating ranges. please design the appropriate reliability upon reviewing the toshiba semiconductor reliability handbook (?handling precautions?/?derating concept and methods?) and indi vidual reliability data (i.e. reliability test report and estimated failure rate, etc). operating ranges (note) characteristic symbol rating unit power supply voltage v cc 2.3 to 3.6 v control pin input voltage ( oe ) v in 0 to 3.6 v v cc =0v or switch=off 0 to 3.6 switch i/o voltage switch=on v s 0 to v cc v operating temperature t opr ? 40 to 85 c input rise and fall time dt/dv 0 to 10 ns/v note: the operating ranges must be maintained to ensure the normal operation of the device.unused inputs must be tied to either v cc or gnd.
TC7USB31FK 2014-03-01 4 electrical characteristics dc characteristics (ta = ? 40 to 85c) characteristics symbol test condition v cc (v) min typ. max unit ?h? level v ih ? 2.3 to 3.6 0.46 v cc ? ? input voltage ( oe ) ?l? level v il ? 2.3 to 3.6 ? ? 0.25 v cc v input leakage current ( oe ) i in v in = 0 to 3.6 v 2.3 to 3.6 ? ? 1.0 a power-off leakage current i off v in = 0 to 3.6 v 0 ? ? 5.0 a off-state leakage current (switch off) i sz v is = 0 to v cc , oe = v cc 2.3 to 3.6 ? ? 5.0 a v is = 0 v, i is = 30 ma (note 1) 3.0 ? 4.5 9 v is = 0.4 v, i is = 30 ma (note 1) 3.0 ? 5 9.5 on resistance (note 2) r on v is = 3.0 v, i is = 30 ma (note 1) 3.0 ? 11 18 delta r on r on v is = 0.4 v, 1.0 v, i is = 30 ma 3.0 ? 0.5 ? on-resistance flatness r on(flat) v in = 0 v to 1.0 v, i is = 30 ma 3.0 ? 1.2 ? quiescent supply current i cc v in = v cc or gnd, i out = 0 3.6 ? ? 2.0 a increase in i cc per input i cc v in = 1.8 v 3.6 ? ? 10.0 a note 1: all typical values are at ta = 25c. note 2: measured by the voltage drop between d+/d- and hsd+/hsd- pins at the indicated current through the switch. on resistance is determined by the lower of the voltages on the two pins.
TC7USB31FK 2014-03-01 5 ac characteristics v cc = 3.3v 10% (ta = ? 40 to 85c) characteristics symbol test condition v cc (v) min typ. max unit propagation delay time (note) tpd c l =5pf 3.3 0.3 ? 0.25 ? ns turn on time ( oe to output) t on r l =50 ? , c l =5pf 3.3 0.3 ? 4 10 ns turn off time ( oe to output) t off r l =50 ? , c l =5pf 3.3 0.3 ? 3.2 9 ns output skew between center port to any other port (note) t sk(o) c l =5pf 3.3 0.3 ? 0.1 ? ns skew of opposite transitions of the same output (t phl - t plh ) (note) t sk(p) c l =5pf 3.3 0.3 ? 0.1 ? ns off isolation (non -adjacent) oirr r t =50 ? , f=240mhz 3.3 0.3 ? -27 ? db crosstalk(non-adjacent) xtalk r t =50 ? , f=240mhz 3.3 0.3 ? -60 ? db -3db bandwidth bw r t =50 ? , c l =0pf 3.3 0.3 ? 1100 ? mhz note: this parameter is guaranteed by design.
TC7USB31FK 2014-03-01 6 capacitive characteristics (ta = 25c) characteristics symbol test condition v cc (v) typ. unit control pin input capacitance ( oe ) c in v in = 0 v (note) 3.3 4 pf switch terminal off capacitance c i/o v is = 0 v, oe = v cc (note) 3.3 2 pf switch terminal on capacitance c i/o v is = 0 v, oe = gnd (note) 3.3 4 pf note: this parameter is guaranteed by design.
TC7USB31FK 2014-03-01 7 ac test circuit load / waveform figure 1: propagat ion delay time (t plh , t phl ) v ol v oh 0.4v 0.8v 50% 50% t plh t phl input (d+, d-) output (hsd+, hsd-) 50% 50% output c l d+, d- hsd+, hsd- control r l gnd oe v cc input figure 2: turn on/turn off (t on , t off ) v ol v oh 0v 1.8v 50% t on t off input ( oe ) output (hsd+, hsd-) 90% 50% 90% output c l d+, d- hsd+, hsd- control r l gnd oe v cc v cc input
TC7USB31FK 2014-03-01 8 pulse skew t sk(p) |t plh - t phl | v ol v oh 0.4v 0.8v 50% 50% t plh t phl input (d+, d-) output (hsd+, hsd-) 50% 50% output output skew t sk(o) |t plh(+) - t plh(-) | or |t phl(+) - t phl(-) | figure 3: skew of opposite transiti ons of the same output, output skew v ol v oh 0.4v 0.8v 50% 50% t plh(+) t phl(+) input (d+, d-) output(+) (hsd+) 50% 50% v ol 50% output(-) (hsd-) 50% v oh t plh(-) t phl(-) t sk(o) t sk(o) c l d+, d- hsd+, hsd- control r l gnd oe v cc input
TC7USB31FK 2014-03-01 9 figure 4: channel off isol ation figure 5: crosstalk figure 6: -3db bandwidth d+, d- hsd+, hsd- control 50? gnd oe v cc v cc 50? source signal network analyzer d+ hsd+ control 50? gnd hsd- oe v cc 50? source signal network analyzer 50? d- d+, d- hsd+, hsd- control 50? gnd oe v cc 50? source signal network analyzer
TC7USB31FK 2014-03-01 10 figure 7: on resistance figure 8: power off leakage current figure 9: off-stat e leakage current d+, d- hsd+, hsd- control gnd oe v cc i is v is v on v on i is r on d+, d- hsd+, hsd- control gnd oe 0v v in a i off d+, d- hsd+, hsd- control gnd oe v cc v in a i sz v cc
TC7USB31FK 2014-03-01 11 package dimension weight: 0.01 g (typ.)
TC7USB31FK 2014-03-01 12 restrictions on product use ? toshiba corporation, and its subsidiaries and affiliates (collect ively "toshiba"), reserve the right to make changes to the in formation in this document, and related hardware, software and systems (collectively "product") without notice. ? this document and any information herein may not be reproduc ed without prior written permission from toshiba. even with toshiba's written permission, reproduc tion is permissible only if reproducti on is without alteration/omission. ? though toshiba works continually to improve product's quality and reliability, product can malfunction or fail. customers are responsible for complying with safety standards and for providing adequate designs and safeguards for their hardware, software and systems which minimize risk and avoid situat ions in which a malfunction or failure of product could cause loss of human life, b odily injury or damage to property, including data loss or corruption. before customers use the product, create designs including the product, or incorporate the product into their own applications, cu stomers must also refer to and comply with (a) the latest ve rsions of all relevant toshiba information, including without limitation, this document, the specifications, the data sheets and applicat ion notes for product and the precautions and condi tions set forth in the "toshiba se miconductor reliability handbook" and (b) the instructions for the application with which the product will be us ed with or for. customers are solely responsible for all aspe cts of their own product design or applications, including but not limited to (a) determining the appropriateness of the use of this product in such design or applications; (b) eval uating and determining the applicability of any info rmation contained in this document, or in c harts, diagrams, programs, algorithms, sample application circuits, or any other referenced documents; and (c) validating all operatin g parameters for such designs and applications. toshiba assumes no liability for customers' product design or applications. ? product is neither intended nor warranted fo r use in equipments or systems that require extraordinarily high levels of quality and/or reliability, and/or a malfunction or failure of which may cause loss of human life, bodily injury, serious property damage and/or serious public impact ( " unintended use " ). except for specific applications as expressly stated in this document, unintended use includes, without limitation, equipment used in nuclear facilities, equipment used in the aerospace industry, medical equipment, equipment used f or automobiles, trains, ships and other transportation, traffic si gnaling equipment, equipment used to control combustions or expl osions, safety devices, elevators and escalators, devices related to electric power, and eq uipment used in financ e-related fields. if you use product for unintended use, toshiba assumes no liability for product. for details, please contact your toshiba sales representative. ? do not disassemble, analyze, reverse-engineer, alter, modify, translate or copy product, whether in whole or in part. ? product shall not be used for or incorporated into any products or systems whose manufacture, use, or sale is prohibited under any applicable laws or regulations. ? the information contained herein is pres ented only as guidance for product use. no re sponsibility is assumed by toshiba for an y infringement of patents or any other intellectual property rights of third parties that may result from the use of product. no license to any intellectual property right is granted by this document, whether express or implied, by estoppel or otherwise. ? absent a written signed agreement, except as provid ed in the relevant terms and conditions of sale for product, and to the maximum extent allowable by law, toshiba (1) assumes no liability whatsoever, including without limitation, indirect, co nsequential, special, or incidental damages or loss, including without limitation, loss of profit s, loss of opportunities, business interruption and loss of data, and (2) disclaims any and all express or implied warranties and conditions related to sale, use of product, or information, including warranties or conditions of merchantability, fitness for a particular purpose, accuracy of information, or noninfringement. ? do not use or otherwise make available product or related so ftware or technology for any military purposes, including without limitation, for the design, development, use, stockpiling or m anufacturing of nuclear, chemical , or biological weapons or missi le technology products (mass destruction w eapons). product and related software and technology may be controlled under the applicable export laws and regulations includ ing, without limitation, the japanese fo reign exchange and foreign trade law and t he u.s. export administration regulat ions. export and re-export of product or related software or technology are strictly prohibit ed except in compliance with all appl icable export laws and regulations. ? please contact your toshiba sales representative for details as to environmental matters such as the rohs compatibility of pro duct. please use product in compliance with all applicable laws and regula tions that regulate the inclus ion or use of controlled subs tances, including without limitation, the eu rohs directive. toshiba assumes no liability for damages or losses occurring as a result of noncompliance with applicable laws and regulations.

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