april 2012 ? 2010 fairchild semiconductor corporation www.fairchildsemi.com fsusb74 ? rev. 1.0.2 fsusb74 ? high-speed us b multiplexer / switch fsusb74 4:1 high-speed usb multiplexer/switch features switch type 4:1 usb usb 2.0 high?speed compliant usb 2.0 full-speed compliant r on 6.5 ? c on 7.5pf esd (iec61000-4-2) 15kv (air) 8kv (contact) v cc 2.7 to 4.4v i ccslp <1a i ccact 9a package 16- lead umlp 1.80 x 2.60 x 0.55mm, 0.40mm pitch 16-lead mlp 3 x 3 x 0.7mm, 0.5mm pitch ordering information fsusb74umx (umlp) FSUSB74MPX (mlp) description the fsusb74 is a bi-directional, low-power, high-speed usb 2.0 4:1 mux. it is optimiz ed for switching from four high-speed (480mbps) sources or any combination of high- speed and full-/low-speed usb/uart sources to one usb 2.0 connector. applications ? mp3 portable media players ? cellular phones, smart phones ? netbooks, mobile in ternet devices (mid) related resources ? for samples and questions, please contact: analog.switch@fairchildsemi.com . ? fsusb74 demonstration board ? fsusb74 evaluation board typical application figure 1. mobile phone example 4:1 mux 4g processor 3g processor pmic application processor usb port fsusb74 hs-usb #1 hs-usb #2 hs-usb #3 hs-usb #4 d+ d-
? 2010 fairchild semiconductor corporation www.fairchildsemi.com fsusb74 ? rev. 1.0.2 2 fsusb74 ? high-speed usb multiplexer / switch pin configurations figure 2. umlp analog symbol figure 3. umlp (top view) figure 4. mlp (top view) pin descriptions pin # name type description 1 gnd ground ground 2 d+ i/o d+ common port (hs or fs usb) 3 d- i/o d- common port (hs or fs usb) 4 v cc power supply supply voltage 5 sel1 input path selection contro l input (see truth table below) 6 sel0 input path selection contro l input (see truth table below) 7 hsd3- i/o d- from fourth source path (hs or fs usb) 8 hsd3+ i/o d+ from fourth source path (hs or fs usb) 9 hsd2- i/o d- from third sour ce path (hs or fs usb) 10 hsd2+ i/o d+ from third source path (hs or fs usb) 11 hsd1+ i/o d+ from second s ource path (hs or fs usb) 12 hsd1- i/o d- from second s ource path (hs or fs usb) 13 hsd0+ i/o d+ from first source path (hs or fs usb) 14 hsd0- i/o d- from first source path (hs or fs usb) 15 /oe input enable control i nput (see truth table below) 16 nc no connect truth table /oe sel1 sel0 function 1 x x d+, d- switch paths open 0 0 0 d+=hsd0+, d-=hsd0- 0 0 1 d+=hsd1+, d-=hsd1- 0 1 0 d+=hsd2+, d-=hsd2- 0 1 1 d+=hsd3+, d-=hsd3- hsd0+ hsd1+ hsd3+ d+ hsd0? hsd1? sel0 d? sel1 hsd2+ hsd2 ? hsd3 ? /oe control 1 5 6 7 8 9 10 11 2 3 12 16 15 14 13 4 nc sel1 gnd sel0 d+ d- v cc hsd3- hsd3+ hsd2- hsd2+ hsd1- hsd1+ hsd0- hsd0+ /oe 5 6 7 8 9 10 11 2 3 12 16 15 14 13 4 nc sel1 gnd sel0 d+ d- v cc hsd3- hsd3+ hsd2- hsd2+ hsd1- hsd1+ hsd0- hsd0+ /oe 1
? 2010 fairchild semiconductor corporation www.fairchildsemi.com fsusb74 ? rev. 1.0.2 3 fsusb74 ? high-speed usb multiplexer / switch absolute maximum ratings stresses exceeding the absolute maximum ratings may damage t he 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 operati ng conditions may affect device reliability. the absolute maximum ratings are stress ratings only. symbol parameter min. max. unit v cc supply voltage -0.5 5.25 v v cntrl dc input voltage (sel1, sel0, /oe, sels) (1) -0.50 v cc v v sw dc switch i/o voltage (1) -0.50 5.25 v i ik dc input diode current -50 ma t stg storage temperature -65 +150 c msl moisture sensitivity level (jedec j-std-020a) 1 level esd iec61000-4-2 system on usb connector pins d+ & d- air gap 15 kv contact 8 human body model, jedec: jesd22-a114 d+,d- to gnd 6 power to gnd 12 all other pins 2 note: 1. the input and output negative ratings may be exceeded if the input and output diode current ratings are observed. recommended operating conditions the recommended operating conditions table defines the conditi ons for actual device operation. recommended operating conditions are specified to ensure optimal performance to the datasheet specific ations. fairchild does not recommend exceeding them or designing to absolute maximum ratings. symbol parameter min. max. unit v cc supply voltage 2.5 4.4 v v cntrl (2) control input voltage (se l1, sel0, /oe, and sels) 0 v cc v v sw switch i/o voltage -0.5 4.4 v t a operating temperature -40 +85 c note: 2. the control input must be held high or low; it must not float.
? 2010 fairchild semiconductor corporation www.fairchildsemi.com fsusb74 ? rev. 1.0.2 4 fsusb74 ? high-speed usb multiplexer / switch dc electrical char acteristics all typical values are for v cc =3.3v at 25c unless otherwise specified. symbol parameter conditions v cc (v) t a =- 40oc to +85oc unit min. typ. max. r on (3) hs switch on resistance v sw =0.4v, i on =-8ma, figure 5 3.3 6.5 9.0 ?? ? r on (3) hs delta ron (4) v sw =0.4v, i on =-8ma 3.3 0.5 ?? i in control input leakage all combinations of /oe, sel1 & sel0 in the truth table (1=v cc , 0=0v) 4.4 -1 1 a i oz off state leakage 0 ?? dn, hsd0n, hsd1n, hsd2n, hsd3n ?? 4.4v 4.4 -1 1 a i off power-off leakage current (all i/o ports) v sw =0v to 4.4v, v cc =0v, figure 6 0 -1 1 a i ccslp sleep mode supply current /oe=v cc 4.4 1 a i ccact active mode supply current all active modes in truth table 4.4 9 18 a i cct increase in i cc current per control input and v cc v cntrl =1.8v 4.4 3.3 4.0 a v cntrl =1.2v 4.4 4.9 6.0 a v ik clamp diode voltage i in =-18ma 2.5 -1.2 v v ih control input voltage high sel1, sel0, /oe 2.5 to 4.4 1.0 v v il control input voltage low sel1, se l0, /oe 2.5 to 4.4 0.35 v notes: 3. measured by the voltage drop between hsdn and dn pins at the indicated current through the switch. on resistance is determined by the lower of the voltag e on the two (hsdn or dn ports). 4. guaranteed by characterization.
? 2010 fairchild semiconductor corporation www.fairchildsemi.com fsusb74 ? rev. 1.0.2 5 fsusb74 ? high-speed usb multiplexer / switch ac electrical characteristics all typical values are for v cc =3.3v at t a =25c unless otherwise specified. symbol parameter conditions v cc (v) t a =- 40oc to +85oc unit min. typ. max. t on turn-on time when switching from one usb path (or disabled i.e. /oe=1) to another usb path r l =50 ? , c l =35pf, v sw =0.8v, figure 7, figure 8 2.5 to 4.4 126 400 s t off turn-off time, turning off any of the usb paths r l =50 ? , c l =35pf, v sw =0.8v, figure 7, figure 8 2.5 to 4.4 80 ns t pd propagation delay (5) c l =5pf, r l =50 ? , figure 7, figure 9 3.3 0.25 ns t rf slow turn-on/off switch paths (5) c l =5pf, dn at 0v or 3.6v, 40.5 ? in series with switch 10% to 90% 3.3 4.5 ns t bbm break-before-make time (5) r l =50 ? , c l =35pf, v sw1 =v sw2 =0.8v, figure 11 2.5 to 4.4 126 400 s o irr off isolation (5) r l =50 ? , f=240mhz, figure 13 2.5 to 4.4 -40 db xtalk channel-to-channel crosstalk (5) r l =50 ? , f=240mhz, figure 14 2.5 to 4.4 -40 db t sk(p) pulse skew (5) v sw =0.2vdiff pp , figure 10, c l =5pf 2.5 to 4.4 25 ps t sk(i) skew between differential signals within a pair (5) v sw =0.2vdiff pp , figure 10, c l =5pf 2.5 to 4.4 25 ps note: 5. guaranteed by characterization. capacitance characteristics all typical values are for v cc =3.3v at t a =25c unless otherwise specified. symbol parameter conditions v cc (v) typical unit c in input capacitance (6) 0 3 pf c on d+/d- on capacitance (6) any switch path enabled, f=1mhz, figure 16 3.3 7.5 c off hsd0n, hsd1n, hsd2n, hsd3n off capacitance (6) if v cc =3.3v, then /oe=3.3v; f=1mhz, figure 15 0 or 3.3 2.2 note: 6. guaranteed by characterization.
? 2010 fairchild semiconductor corporation www.fairchildsemi.com fsusb74 ? rev. 1.0.2 6 fsusb74 ? high-speed usb multiplexer / switch test diagrams figure 5. on resistance figure 6. off leakage figure 7. ac test circuit load figure 8. turn-on / turn-off waveforms figure 9. propagation delay (t r t f ? 500ps) figure 10. skew test waveforms t sk(p) = | t plh- ? t phl- | or | t plh+ ? t phl+ | t sk(i) = | t plh- ? t phl+ | or | t plh+ ? t phl- | select hsd n dn v sel = 0 orv cc i on v on r on = v on /i on gnd v sw gnd sw select v sel = 0 orv cc nc a i dn(off) v sw gnd v v cc **each switch port is tested separately r l ,r s ,andc l are functions of the application environment (see ac tables for specific values) c l includes test fixture and stray capacitance. r l c l hsd n dn gnd gnd r s v sel v sw gnd v out v out input output v oh v ol 50% 50% 50% 50% 400mv t phl t plh 0v t rise = 750ps gnd 0.4v 90% 90% 10% 10% t fall = 750ps 50% 50% input ? v d+/d - output - v out 50% 50% v oh t phl+ ?v d+/d - output - v out v ol t plh- t plh+ t phl- + -
? 2010 fairchild semiconductor corporation www.fairchildsemi.com fsusb74 ? rev. 1.0.2 7 fsusb74 ? high-speed usb multiplexer / switch test diagrams (continued) figure 11. break-before-make interval timing figure 12. bandwidth figure 13. channel off isolation figure 14. non- a djacent channel-to-channel crosstalk figure 15. channel off capacitance figure 16. channel on capacitance v cc 0.9*v out v cc /2 t bbm 0v v out input - v sel 0.9*v out t rise =2.5ns 90% 10% c l hsd n r l dn gnd gnd r s v sel v sw1 gnd v out v sw2 gnd - - r l ,r s , and c l are functions of the application environment (see ac tables for specific values) c l includes test fixture and stray capacitance. v out gnd gnd r t gnd gnd v s r s network analyzer v sel gnd r s and r t are functions of the application environment (see ac tables for specific values). v in r s and r t are functions of the application environment (see ac tables for specific values). v out gnd gnd r t gnd gnd v s r s network analyzer r t gnd v sel gnd v in r t off isolation = 20 log (v out / v in ) v out gnd gnd r t gnd gnd v s r s network analyzer r t gnd r s and r t are functions of the application environment (see ac tables for specific values). v sel gnd nc v in crosstalk = 20 log (v out / v in ) v sel = 0 or v cc hsd n capacitance meter s hsd n v sel = 0 or v cc hsd n capacitance meter s hsd n
? 2010 fairchild semiconductor corporation www.fairchildsemi.com fsusb74 ? rev. 1.0.2 8 fsusb74 ? high-speed usb multiplexer / switch physical dimensions figure 17. 16-pin, ultrathin molded leadless package (umlp) order number operating temperature range package description packing method fsusb74umx -40 to 85c 16-terminal, ultrathin molded leadless package (umlp) tape & reel package drawings are provided as a service to customers considering fairchild component s. drawings may change in any manner wit hout notice. please note the revision and/or date on the drawing and contact a fairchild semi conductor representative to verify or o btain the most recent revision. package specific ations do not expand the terms of fairchild?s worldwide terms and conditi ons, specifically the warranty therein, which covers fairchild products. always visit fairchild semiconductor?s online packa ging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/ . recommended land pattern notes: a. package does not fully conform to jedec standard. b. dimensions are in millimeters. c. dimensions and tolerances per asme y14.5m, 1994. d. land pattern recommendation is based on fsc design only. e. drawing filename: mkt-umlp16arev4. f. terminal shape may vary according to package supplier, see terminal shape variants. scale : 2x lead option 1 scale : 2x lead option 2 pin#1 ident pin#1 ident package edge top view bottom view 0.10 c 0.08 c 2.60 1.80 0.10 c 2x 2x side view 0.10 c 0.05 0.00 0.10 c a b 0.05 c 0.55 max. 0.40 1 5 9 13 16 2.10 2.90 0.40 0.663 0.563 0.225 1 (15x) (16x) 0.152 0.40 0.60 0.10 0.30 0.50 0.10 terminal shape variants 0.15 0.25 15x pin 1 non-pin 1 0.15 0.25 15x 0.30 0.50 0.15 0.25 0.30 0.50 0.15 0.25 15x 15x supplier 1 supplier 2 pin 1 non-pin 1 a b c seating plane 0.45 0.35 0.55 0.45 0.25 0.15 r0.20
? 2010 fairchild semiconductor corporation www.fairchildsemi.com fsusb74 ? rev. 1.0.2 9 fsusb74 ? high-speed usb multiplexer / switch physical dimensions figure 18. 16-lead, quad molded leadless package (mlp) order number operating temperature range package description packing method FSUSB74MPX -40 to 85c 16-lead, quad, molded leadless package (mlp), 3mm x 3mm tape & reel package drawings are provided as a service to customers considering fairchild component s. drawings may change in any manner wit hout notice. please note the revision and/or date on the drawing and contact a fairchild semi conductor representative to verify or o btain the most recent revision. package specific ations do not expand the terms of fairchild?s worldwide terms and conditi ons, specifically the warranty therein, which covers fairchild products. always visit fairchild semiconductor?s online packa ging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/ .
? 2010 fairchild semiconductor corporation www.fairchildsemi.com fsusb74 ? rev. 1.0.2 10 fsusb74 ? high-speed usb multiplexer / switch
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