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? 2005 fairchild semiconductor corporation ds500899 www.fairchildsemi.com january 2005 revised march 2005 fsusb22 low voltage ultra low power usb high speed (480 mbps) dual dpdt switch fsusb22 low voltage ultra low power usb high speed (480 mbps) dual dpdt switch general description fsusb22 is a low power high bandwidth analog switch specially designed for applications of the switching of high speed usb 2.0 signals in handset and consumer applica- tions such as cell phone, digital camera, and notebook with hubs or controllers of limited usb i/o. the wide bandwidth (750mhz) of this switch allows signals to pass with mini- mum edge and phase distortion. superior channel-to-chan- nel crosstalk results in minimal interference. it is compatible with high speed usb2.0 standard. features 40db off isolation at 250mhz 40db non-adjacent channel crosstalk at 250mhz 4.5 : typical on resistance (r on ) 3db bandwidth: 750mhz low power consumption (1ua max) control input: ttl compatible bidirectional operation usb high speed and full speed signaling capability applications ? cell phone, pda, digital camera, and notebook ordering code: devices also available in tape and reel. specify by appending suffix letter ? x ? to the ordering code. pb-free package per jedec j-std-020b. order number package number package description fsusb22bqx mlp016e pb-free 16-terminal depopulated quad very-thin flat pack no leads (dqfn), jedec mo-241, 2.5 x 3.5mm fsusb22qsc (preliminary) mqa16 16-lead quarter size outline package (qsop), jedec mo-137, 0.150" wide fsusb22mtc mtc16 16-lead thin shrink small outline package (tssop), jedec mo-153, 4.4mm wide
www.fairchildsemi.com 2 fsusb22 analog symbol pin descriptions truth table connection diagrams pin assignments for qsop and tssop pad assignments for dqfn pin name description oe bus switch enable s select input abus a b 1 ? b 2 bus b soe function x h disconnect ll a b 1 hl a b 2
3 www.fairchildsemi.com fsusb22 absolute maximum ratings (note 1) recommended operating conditions (note 3) note 1: the absolute maximum ratings are those values beyond which the safety of the device cannot be guaranteed. the device should not be operated at these limits. the parametric values defined in the electrical characteristics tables are not guaranteed at the absolute maximum rating. the recommended operating conditions tables will define the conditions for actual device operation. note 2: the input and output negative voltage ratings may be exceeded if the input and output diode current ratings are observed. note 3: unused control inputs must be held high or low. they may not float. dc electrical characteristics note 4: typical values are at v cc 3.0v and t a 25 q c note 5: measured by the voltage drop between a and b pins at the indicated current through the switch. on resistance is determined by t he lower of the voltages on the two (a or b) pins. note 6: flatness is defined as the difference between the maximum and minimum value on resistance over the specified range of condition s. supply voltage (v cc ) 0.5v to 4.6v dc switch voltage (v s ) 0.5v to v cc 0.05v dc input voltage (v in ) (note 2) 0.5v to 4.6v dc input diode current (l ik ) v in 0v 50 ma dc output (i out ) sink current 128 ma dc v cc /gnd current (i cc /i gnd ) r 100 ma storage temperature range (t stg ) 65 q c to 150 q c esd human body model 4kv power supply operating (v cc ) 3.0v to 3.6v input voltage (v in ) 0v to v cc output voltage (v out ) 0v to v cc input rise and fall time (t r , t f ) switch control input 0 ns/v to 5 ns/v switch i/o 0 ns/v to dc free air operating temperature (t a ) 40 q c to 85 q c symbol parameter v cc (v) t a 40 q c to 85 q c units conditions min typ (note 4) max v ik clamp diode voltage 3.0 1.2 v i in 18 ma v ih high level input voltage 3.0 - 3.6 2.0 v v il low level input voltage 3.0 - 3.6 0.8 v i i input leakage current 3.6 r 1.0 p a0 d v in d 3.6v i off off-state leakage current 3.6 r 1.0 p a0 d a, b d v cc r on switch on resistance 3.0 5.0 7.0 : v in 0.8v (note 5) i on 8 ma 3.0 4.5 6.5 : v in 3.0v i on 8 ma ' r on delta r on 3.0 0.3 : v in 0.8v, v in 0v - 1.5v, i on 8 ma r flat(on) on resistance flatness (note 6) 3.0 1.0 1.3 : i out 8 ma i cc quiescent supply current 3.6 1.0 p av in v cc or gnd, i out 0
www.fairchildsemi.com 4 fsusb22 ac electrical characteristics note 7: typical values are at v cc 3.3v and t a 25 q c usb related ac electrical characteristics (note 8) note 8: typical values are at v cc 3.3v and t a 25 q c capacitance (note 9) note 9: typical values are at v cc 3.3v and t a 25 q c figure 1. gain vs. frequency symbol parameter v cc (v) t a 40 q c to 85 q c units conditions figure number min typ (note 7) max t on turn on time s-to-bus b 3.0 to 3.6 4.5 6.0 ns figures 5, 6 t off turn off time s-to-bus b 3.0 to 3.6 2.5 4.0 ns figures 5, 6 t pd propagation delay 3.0 to 3.6 0.25 ns c l 10 pf figure 10 o irr non-adjacent off-isolation 3.0 to 3.6 55.0 db f 10mhz, r l 50 : figure 7 x talk non-adjacent channel crosstalk 3.0 to 3.6 75.0 db r l 50 : , f 10mhz figure 8 bw 3db bandwidth 3.0 to 3.6 750 mhz r l 50 : figure 9 symbol parameter v cc t a 40 q c to 85 q c units conditions figure (v) min typ max number t sk(o) channel-to-channel skew 3.0 to 3.6 0.051 ns c l 10 pf figures 10, 11 t sk(p) skew of opposite transition 3.0 to 3.6 0.020 ns c l 10 pf figures 10, 11 of the same output t j total jitter 3.0 to 3.6 0.210 ns r l 50 : , c l 10 pf t r t f 750ps at 480 mbps symbol parameter t a 40 q c to 85 q c units conditions typ c in control pin input capacitance 2.5 pf v cc 0v c on a/b on capacitance 12.0 pf v cc 3.3v, oe 0v c off port b off capacitance 4.5 pf v cc and oe 3.3v
5 www.fairchildsemi.com fsusb22 figure 2. off isolation figure 3. crosstalk figure 4. r on
www.fairchildsemi.com 6 fsusb22 ac loading and waveforms note: input driven by 50 : source terminated in 50 : note: c l includes load and stray capacitance note: input prr 1.0 mhz, t w 500 ns figure 5. ac test circuit figure 6. ac waveforms figure 7. off isolation test figure 8. crosstalk test figure 9. bandwidth test
7 www.fairchildsemi.com fsusb22 ac loading and waveforms (continued) figure 10. propagation delay pulse skew t sk(p) output skew t sk(o) figure 11. skew test
www.fairchildsemi.com 8 fsusb22 tape and reel specification tape format for dqfn tape dimensions inches (millimeters) package tape number cavity cover tape designator section cavities status status leader (start end) 125 (typ) empty sealed bqx carrier 2500/3000 filled sealed trailer (hub end) 75 (typ) empty sealed
9 www.fairchildsemi.com fsusb22 physical dimensions inches (millimeters) unless otherwise noted pb-free 16-terminal depopulated quad very-thin flat pack no leads (dqfn), jedec mo-241, 2.5 x 3.5mm package number mlp016e
www.fairchildsemi.com 10 fsusb22 physical dimensions inches (millimeters) unless otherwise noted (continued) 16-lead quarter size outline package (qsop), jedec mo-137, 0.150" wide package number mqa16
physical dimensions inches (millimeters) unless otherwise noted (continued) 11 www.fairchildsemi.com fsusb22 low voltage ultra low power usb high speed (480 mbps) dual dpdt switch physical dimensions inches (millimeters) unless otherwise noted (continued) 16-lead thin shrink small outline package (tssop), jedec mo-153, 4.4mm wide package number mtc16 technology description the fairchild switch family derives from and embodies fairchild ? s proven switch technology used for several years in its 74lvx3l384 (fst3384) bus switch product. fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and fairchild reserves the right at any time without notice to change said circuitry and specifications. life support policy fairchild ? s products are not authorized for use as critical components in life support devices or systems without the express written approval of the president of fairchild semiconductor corporation. as used herein: 1. life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be rea- sonably expected to result in a significant injury to the user. 2. a critical component in any component of a life support device or system whose failure to perform can be rea- sonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com

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