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fsusb20 low-power 1-port hi gh-speed usb (480mbps) switch ?2005 fairchild semiconductor corporation www.fairchildsemi.com fsusb20 rev. 1.0.2 september 2006 fsusb20 low-power 1-port high-speed usb (480mbps) switch features ? 30db off isolation at 250mhz ? 30db non-adjacent channel crosstalk at 250mhz 4.5 typical on resistance (r on ) ? 3db bandwidth: > 720mhz low power consumption (1a max) control input: lvttl compatible bi-directional operation usb high-speed and full-speed signaling capability space-saving pb-free packaging applications cell phone, pda, digital camera, and notebook general description fsusb20 is a low-power high-bandwidth switch spe- cially designed for switching high-speed usb 2.0 signals in handset and consumer applications, such as cell phones, digital cameras, and notebooks with hubs or controllers with limited usb i/os. the wide bandwidth ( > 720mhz) of this switch allows signals to pass with min- imum edge and phase dist ortion. superior channel-to- channel crosstalk results in minimal interference. it is compatible with the high-speed usb 2.0 standard. ordering information pb-free package per jedec j-std-020b. order number package number pb- free top mark package description fsusb20l10x mac010a yes ey 10-lead micropak?, 1.6 x 2.1mm fsusb20bqx mlp014a yes usb20 14-terminal depopulated quad very-thin flat pack no leads (dqfn), jedec mo-241, 2.5 x 3.0mm fsusb20mux mua10a yes fsusb20 10-lead molded small outline package (msop), jedec mo- 187, 3.0mm wide micropak ? is a trademark of fairchild semiconductor corporation.
?2005 fairchild semiconductor corporation www.fairchildsemi.com fsusb20 low-power 1-port hi gh-speed usb (480mbps) switch fsusb20 rev. 1.0.2 2 connection diagrams analog symbol truth table pin descriptions 9 pad assignments for micropak (top view) pad assignments for dqfn (top through view) pin assignment for msop (top through view) 8 7 6 5 10 2 14 v cc v cc v cc 13 oe 1 3 4 1 8 7 nc nc gnd gnd 12 2b 1 11 nc 10 2b 2 9 2 3 4 5 6 2a s 1b 1 nc 1b 2 1a s 1b 1 1b 2 1a s 1b 1 gnd 1b 2 1a oe 2b 1 2b 2 2a oe 2b 1 2b 2 2a 10 9 8 7 6 1 2 3 4 5 s oe function x high disconnect low low a = b 1 high low a = b 2 pin name description oe bus switch enable s select input abus a b 1 ?b 2 bus b s 2b 2 2b 1 1b 2 1b 1 1a 2a oe control
?2005 fairchild semiconductor corporation www.fairchildsemi.com fsusb20 low-power 1-port hi gh-speed usb (480mbps) switch fsusb20 rev. 1.0.2 3 absolute maximum ratings the ?absolute maximum ratings? are those values beyond which the safety of the dev ice 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 ratings. t he ?recommended operating condi tions? table will define the conditions for actual device operation. notes: 1. the input and output negative voltage ratings may be exc eeded if the input and output diode current ratings are observed. recommended oper ating conditions (2) notes: 2. unused control inputs must be held high or low. they may not float. symbol parameter min. max. unit v cc supply voltage ? 0.5 + 4.6 v v s dc switch voltage ? 0.5v v cc +0.05 v v in dc input voltage (1) ? 0.5 + 4.6 l ik dc input diode current v in < 0v ? 50 ma i out dc output sink current 50 ma i cc /i gnd dc v cc /gnd current 100 ma t stg storage temperature range ? 65 + 150 c esd human body model all pins 7000 v i/o to gnd 7000 symbol parameter min. max. unit v cc power supply operating 3.0 3.6 v v in input voltage 0 v cc v v out output voltage 0 v cc v t r ,t f input rise and fall time switch control input 0 5 ns/v switch i/o 0 dc t a free air operating temperature ? 40 + 85 c
?2005 fairchild semiconductor corporation www.fairchildsemi.com fsusb20 low-power 1-port hi gh-speed usb (480mbps) switch fsusb20 rev. 1.0.2 4 dc electrical characteristics typical values are at v cc = 3.0v and t a = + 25 c. notes: 3. measured by the voltage drop between a and b pins at the indicated current through the switch. on resistance is determined by the lower of the voltages on the two (a or b) pins. 4. flatness is defined as the difference between the maxi mum and minimum value on resistance over the specified range of conditions. ac electrical characteristics typical values are at v cc = 3.3v and t a = + 25 c. symbol parameter conditions v cc (v) t a = ? 40 c to + 85 c units min. typ. max. v ik clamp diode voltage i in = ? 18ma 3.0 ? 1.2 v v ih high level input voltage 3.0 to 3.6 2.0 v v il low level input voltage 3.0 to 3.6 0.8 v i i input leakage current 0 v in 3.6v 3.6 1.0 a i off off-state leakage current 0 a, b v cc 3.6 1.0 a r on switch on resistance (3) v in = 0.8v, i on = 8ma 3.0 5.0 7.0 v in = 3.0v, i on = 8ma 3.0 4.5 6.5 r on delta r on v in = 0.8v, v in = 0v?1.5v, i on = 8ma 3.0 0.3 r flat(on) on resistance flatness (4) i out = 8ma 3.0 1.0 i cc quiescent supply current v in = v cc or gnd, i out = 0 3.6 1.0 a symbol parameter conditions v cc (v) t a = ? 40 c to + 85 c units figure number min. typ. max. t on turn on time s-to-bus b v b = 0.8v 3.0 to 3.6 4.8 7.0 ns figure 5 figure 6 t off turn off time s-to-bus b v b = 0.8v 3.0 to 3.6 2.2 4.0 ns figure 5 figure 6 t pd propagation delay c l = 10pf 3.0 to 3.6 0.25 ns figure 10 o irr non-adjacent off-isolation f = 250mhz, r l = 50 3.0 to 3.6 ? 26.0 db figure 7 x talk non-adjacent channel crosstalk f = 250mhz, r l = 50 , 3.0 to 3.6 ? 45.0 db figure 8 bw ? 3db bandwidth r l = 50 , c l = 0pf 3.0 to 3.6 750 mhz figure 9 r l = 50 , c l = 5pf 435
?2005 fairchild semiconductor corporation www.fairchildsemi.com fsusb20 low-power 1-port hi gh-speed usb (480mbps) switch fsusb20 rev. 1.0.2 5 usb related ac elect rical characteristics typical values are at v cc = 3.3v and t a = + 25 c. capacitance typical values are at v cc = 3.3v and t a = + 25 c. symbol parameter conditions v cc (v) t a = ? 40 c to + 85 c units figure number min. typ. max. t sk(o) channel-to-channel skew c l = 10pf 3.0 to 3.6 0.051 ns figure 10 figure 11 t sk(p) skew of opposite transition of the same output c l = 10pf 3.0 to 3.6 0.020 ns figure 10 figure 11 t j total jitter r l = 50 , c l = 10pf t r = t f = 750ps at 480mbps 3.0 to 3.6 0.170 ns symbol parameter conditions t a = ? 40 c to + 85 c units typ. c in control pin input capacitance v cc = 0v 2.5 pf c on a/b on capacitance v cc = 3.3v, oe = 0v 12.0 pf c off port b off capacitance v cc and oe = 3.3v 4.0 pf
?2005 fairchild semiconductor corporation www.fairchildsemi.com fsusb20 low-power 1-port hi gh-speed usb (480mbps) switch fsusb20 rev. 1.0.2 6 typical characteristics figure 1. gain vs. frequency figure 2. off isolation frequency response -8 -7 -6 -5 -4 -3 -2 -1 0 1 10 100 1000 10000 frequency (mhz) gain (db) c l = 0pf, v cc = 3.3v frequency (mhz) frequency response 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 1 10 100 1000 off isolation (db) v bias = 0.5v, v cc = 3.3v
?2005 fairchild semiconductor corporation www.fairchildsemi.com fsusb20 low-power 1-port hi gh-speed usb (480mbps) switch fsusb20 rev. 1.0.2 7 typical characteristics (continued) figure 3. crosstalk figure 4. r on frequency (mhz) frequency response 1 10 100 1000 v bias = 0.5v, v cc = 3.3v -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 crosstalk (db) 0.00 0.50 1.00 1.50 2.00 2.50 3.00 v b2 (v) 10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 r on (ohms) -85 c v b2 = 800.000mv r on = 5.402 -40 c v b2 = 800.000mv r on = 3.561 -25 c v b2 = 800.000mv r on = 4.437
?2005 fairchild semiconductor corporation www.fairchildsemi.com fsusb20 low-power 1-port hi gh-speed usb (480mbps) switch fsusb20 rev. 1.0.2 8 ac loading and waveforms figure 5. ac test circuit figure 6. ac waveforms figure 7. off isolation test figure 8. crosstalk test figure 9. bandwidth test gnd nb 1 nb 2 v b + ? gnd control a 10 pf 50 soe 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 = 500ns 90% 10% 10% 90% 90% 90% 3.0v gnd v oh v ol t off t on t r = 2.5ns t f = 2.5ns 1.5v select input output 1.5v s b 2 b 1 a 50 50 oe control network analyzer s b 1 a 50 100 100 oe control network analyzer s b a 50 oe control gnd network analyzer
?2005 fairchild semiconductor corporation www.fairchildsemi.com fsusb20 low-power 1-port hi gh-speed usb (480mbps) switch fsusb20 rev. 1.0.2 9 ac loading and waveforms (continued) figure 10. propagation delay figure 11. pulse skew t sk(p) figure 12. output skew t sk(o) input 400 mv output 800 mv v oh v ol t phl t plh input output 800 mv 400 mv v oh 50% 50% 50% 50% 0 v ol t phl t sk(p) = | t phl - t phl | t plh input output 1 output 2 800 mv 400 mv 50% 50% 50% 50% 50% 50% 0 t phl1 t phl2 t sk(o) = | t plh1 - t plh2 | or | t phl1 - t phl2 | t sk(o) t sk(o) t plh1 t plh2
?2005 fairchild semiconductor corporation www.fairchildsemi.com fsusb20 low-power 1-port hi gh-speed usb (480mbps) switch fsusb20 rev. 1.0.2 10 tape and reel specifications tape format for micropak dimensions are in millimet ers unless otherwise noted. tape dimension dimensions are in millimeter s unless otherwise noted. package designator tape section number cavities cavity status cover tape status l10x leader (start end) 125 (typ) empty sealed carrier 5000 filled sealed trailer (hub end) 75 (typ) empty sealed
?2005 fairchild semiconductor corporation www.fairchildsemi.com fsusb20 low-power 1-port hi gh-speed usb (480mbps) switch fsusb20 rev. 1.0.2 11 reel dimensio n for micropak dimensions are in inches (millim eters) unless otherwise noted. tape sizeabcdn w1 w2 w3 (8mm) 7.0 (177.8) 0.059 (1.50) 0.512 (13.00) 0.795 (20.20) 2.165 (55.00) 0.331 +0.059/ ? 0.000 (8.40 +1.50/ ? 0.00) 0.567 (14.40) w1 +0.078/ ? 0.039 (w1 +2.00/ ? 1.00)
?2005 fairchild semiconductor corporation www.fairchildsemi.com fsusb20 low-power 1-port hi gh-speed usb (480mbps) switch fsusb20 rev. 1.0.2 12 tape format for dqfn dimensions are in millimeters unless otherwise notes. tape dimensions dimensions are in millimeters unless otherwise noted. package designator tape section number cavities cavity status cover tape status bqx leader (start end) 125 (typ) empty sealed carrier 2500/3000 filled sealed trailer (hub end) 75 (typ) empty sealed
?2005 fairchild semiconductor corporation www.fairchildsemi.com fsusb20 low-power 1-port hi gh-speed usb (480mbps) switch fsusb20 rev. 1.0.2 13 tape dimensions for msop dimensions are in inches (millimet ers) unless otherwise specified. reel dimensions for msop dimensions are in inches (millimeter s) unless otherwise specified tape sizeabcdnw1w2w3 (12mm) 13 (330) 0.059 (1.5) 0.512 (13) 0.795 (20.2) 7.008 (178) 0.448 (12.4) 0.724 (18.4) 0.468-0.606 (11.9 -15.4)
?2005 fairchild semiconductor corporation www.fairchildsemi.com fsusb20 low-power 1-port hi gh-speed usb (480mbps) switch fsusb20 rev. 1.0.2 14 physical dimensions (continued) dimensions are in millimeters unle ss otherwise noted. figure 13. 10-lead micropak, 1.6 x 2.1mm
?2005 fairchild semiconductor corporation www.fairchildsemi.com fsusb20 low-power 1-port hi gh-speed usb (480mbps) switch fsusb20 rev. 1.0.2 15 physical dimensions (continued) dimensions are in millimeters unle ss otherwise noted. figure 14. 14-terminal depopulated quad very-thin flat pack no leads (dqfn), jedec mo-241, 2.5 x 3.0mm
?2005 fairchild semiconductor corporation www.fairchildsemi.com fsusb20 low-power 1-port hi gh-speed usb (480mbps) switch fsusb20 rev. 1.0.2 16 physical dimensions (continued) dimensions are in millimeters un less otherwise noted. figure 15. 10-lead molded small outline package (msop), jedec mo-187, 3.0mm wide
?2005 fairchild semiconductor corporation www.fairchildsemi.com fsusb20 low-power 1-port hi gh-speed usb (480mbps) switch fsusb20 rev. 1.0.2 17

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