was 7227 q will semicon ductor ltd. 1 mar, 2017 - rev. 1 . 2 WAS7227Q usb high speed (480mbps) , d pdt analog switch descriptions the WAS7227Q is a high performance, double pole double throw (dpdt) cmos analog switch that operates from a single +2.5 v to +4.5v power supply. the WAS7227Q is designed for switching o f high - speed usb2.0 signals in handset and consumer applications, such as cell phones, digital cameras, and notebooks with hubs or controllers with limited usb i/os. the WAS7227Q has low bit - to - bit skew and high channel - to - channel noise isolation, and is c ompatible with various standards, such as high - speed usb 2.0 (480mbps). each switch is bi - directional and offers little attenuation of the high - speed signals at the outputs. its bandwidth is quite marginal to pass high - speed usb 2.0 differential signals (4 80mbps) with good signal integrity. the WAS7227Q is featured with special circuitry on the d+/d - , which allows the device to withstand a vbus short to d+ or d - when the usb devices are either powered off or on. the sel/oe pin has overvoltage protectio n that allows voltages above vcc, up to 7.0v to be present on the pin without damage or disruption of operation of the part, regardless of the operating voltage. the WAS7227Q is also featured with s mart circuitry to minimize vcc leakage current even when s el/oe control voltage is lower than vcc supply voltage. in other word, there is no need of additional device to shift sel/oe level to be the same as that of vcc in real application. the WAS7227Q is available in q fn1418 - 10l package. standard product s are pb - free and halogen - free. applications ? cell phones ? mid ? router ? other electronics equipments http//:www. sh - willsemi.com q fn1418 - 10l pin c onfiguration (top view) marking 27 = device code * = month (a~z) order i nformation device package shipping WAS7227Q - 10 /tr q fn1418 - 10l 3000 /reel&tape features ? supply voltage : 2.5 ~ 4 .5v ? - 3db bandwidth : 550mhz @ c l =5pf ? off isolation : - 38 db @ 250mhz ? crosstalk : - 47 db @ 250mhz ? low q uiescent current : <1ua 1 2 3 4 5 6 7 8 9 1 0 d + d - g n d d 1 - d 1 + d 2 - d 2 + / o e v c c s e l 2 7 * 1 2 3 4 5 6 7 8 9 1 0 d + d - g n d d 1 - d 1 + d 2 - d 2 + / o e v c c s e l 2 7 *
was 7227 q will semicon ductor ltd. 2 pin d escr iptions pin number symbol descriptions 1 d+ port a common data terminal, connect to d1+ or d2+ according to sel logic 2 d - port b common data terminal, connect to d1 - or d2 - according to sel logic 3 gnd ground 4 d1 - port b data 1 terminal 5 d1+ port a data 1 terminal 6 d2 - port b data 2 terminal 7 d2+ port a data 2 terminal 8 oe enable control, active low 9 vcc power supply 10 sel switch select pin, digital logic low or high function d escription s sel oe function x h s witch disconnected l l d+ connect to d1+ and d - connect to d 1 - h l d+ connect to d2+ and d - connect to d2 - logic symbol and typical applications logic symbol typical applications d + d - d 1 + d 2 + d 1 - d 2 - s e l o e c o n t r o l s e l o e c o n t r o l d + d - t x r x d + / t x d - / r x m i c r o u s b c o n n e c t o r u s b i / f u a r t i / f mar, 2017 - rev. 1 . 2 d + d - d 1 + d 2 + d 1 - d 2 - s e l o e c o n t r o l s e l o e c o n t r o l d + d - t x r x d + / t x d - / r x m i c r o u s b c o n n e c t o r u s b i / f u a r t i / f
was 7227 q will semicon ductor ltd. 3 absolute maximum ratings parameter symbol value unit s upply voltag e range vcc - 0 .3 ~ 6. 5 v data input/output voltage range v ac - 0.3 ~ 6.5 v select input voltage range v s el - 0.3 ~ 6.5 v con tinues output current i out 50 ma junction temperature range t j 150 o c lead temperature range t l 260 o c storage temperature rang e t stg - 65 ~ 150 o c thermal resistance r ja 250 o c/w esd protection (hbm) all pin s to gnd 8 000 v esd protection (cdm) all pins 2000 v recommend operating ratings parameter symbol value unit supply voltage range vcc 2.5 ~ 4 .5 v data input/output v oltage range v is 0.0 ~ vcc v select input voltage range v sel 0.0 ~ vcc v enable control input voltage range v oe 0.0 ~ vcc v operating temperature range t opr - 40 ~ 85 o c 1. absolute maximum ratings may cause permanent damage to the device. this is a str ess only rating and operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. 2. the input and output negative voltage ratings may be exceeded if the input and output diod e current ratings are observed. 3. control input must be held high or low, it must not float. mar, 2017 - rev. 1 . 2
was 7227 q will semicon ductor ltd. 4 electronics characteristics (ta=2 5 o c , vcc= 4 .5v, unless otherwise noted) parameter symbol conditions min. typ. max. unit select and oe logic high level v ih vcc=3 .0 4.5 1. 6 v vcc=2. 5 3.0 1.4 v select and oe logic low level v il vcc=3.0 4.5 0.6 v vcc=2.5 3.0 0.4 v supply q uiescent current i cc i out =0, v sel >1.5v or v sel <0.7v refer to figure1 1.0 ua select pin leakage current i sel v sel =vcc 1.0 u a off state leakage current i off f igure 2 1.0 ua on state switch leakage current i on f igure 3 1.0 ua on - resistance r on vcc=3.0v, v is = 0~ 0.4v, i out =8ma, f igure 4 5.0 7.5 ? on - resistance match ? r on vcc=3.0v, v is = 0~ 0.4v, i out =8ma, f igure 4 0.1 0. 2 ? on - resistance flatness r flat(on) vcc=3.0v, v is = 0~ 1.0v, i out =8ma, see figure 4 1.8 2.2 ? propagation delay time t plh / t phl c l =5 pf, r l =50 ? f igure 5 0.25 ns select input to switch on time t on c l =10pf, r l =50 ? f igure 6 48 70 ns select input to swit ch off time t off c l =10pf, r l =50 ? f igure 6 4 3 65 ns break - before - make time t bbm generated by design 0.5 ns - 3db bandwidth bw r l =50 ? , c l =5pf 550 mhz r l =50 ? , c l =0pf 800 off isolation oirr r l =50 ? , f=250mhz - 3 8 db crosstalk xtalk r l =50 ? , f=250 m hz - 47 db select pin input capacitance c in vcc=0v 3. 5 pf d1n, d2n,dn off capacitance c off vcc=3.3v, oe=3.3v 2. 5 pf d1n, d2n,dn on capacitance c on vcc=3.3v, oe=0v 3 .8 pf mar, 2017 - rev. 1 . 2
was 7227 q will semicon ductor ltd. 5 typical characteristics (ta=25 o c, vcc=4.5v , unless otherwise noted) bandwidth crosstalk off isolation eye diagram (480mbps) figure 1: supply current vs. logic level 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 -20 -10 0 10 20 30 40 50 supply current(ua) select logic level vcc=3.6v mar, 2017 - rev. 1 . 2 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 -20 -10 0 10 20 30 40 50 supply current(ua) select logic level vcc=3.6v
was 7227 q will semicon ductor ltd. 6 test circuit figure 2 : off state leakage current figure 4 : on - resistance figure 3 : on state leakage current figure 5 : propagation delay time figure 6 : select input to switch on/ o ff time s e l d 2 n d 1 n d n 4 . 5 v a o e s e l d 2 n d 1 n d n 4 . 5 v a o e t o n t o f f s e l i n p u t d 2 n o u t p u t v c c d 2 n d n s e l v i n = v c c d 1 n c l r l c l r l t o n t o f f d 1 n o u t p u t t p l h t p h l i n p u t s i g n a l o u t p u t s i g n a l d n d 1 n o r d 2 n v v o r o n = v / i o v c c i o v i s mar, 2017 - rev. 1 . 2 s e l d 2 n d 1 n d n 4 . 5 v a o e s e l d 2 n d 1 n d n 4 . 5 v a o e t o n t o f f s e l i n p u t d 2 n o u t p u t v c c d 2 n d n s e l v i n = v c c d 1 n c l r l c l r l t o n t o f f d 1 n o u t p u t t p l h t p h l i n p u t s i g n a l o u t p u t s i g n a l d n d 1 n o r d 2 n v v o r o n = v / i o v c c i o v i s
was 7227 q will semicon ductor ltd. 7 bandwidth (bw) off isolati on ( oirr ) crosstalk (xtalk) v c c d 2 n d n s e l d 1 n c l r l v i l n e t w o r k a n a l y z e r v c c d 2 n d n s e l d 1 n r l v i h n e t w o r k a n a l y z e r v c c d + s e l d 1 + r l v i l n e t w o r k a n a l y z e r d - d 1 - n c mar, 2017 - rev. 1 . 2 v c c d 2 n d n s e l d 1 n c l r l v i l n e t w o r k a n a l y z e r v c c d 2 n d n s e l d 1 n r l v i h n e t w o r k a n a l y z e r v c c d + s e l d 1 + r l v i l n e t w o r k a n a l y z e r d - d 1 - n c
will semiconductor ltd. p ackage outline dimensions qfn1418 - 10 l symbol dimensions in millimeters min. typ. max. a 0.50 0.55 0.60 a1 0.00 - 0.05 a3 0.15 ref. d 1.35 1.40 1.45 e 1.75 1.80 1.85 b 0.15 0.20 0.25 l 0.30 0.40 0.50 l1 0.40 0.50 0.60 e 0.40 bsc mar, 2017 - rev. 1 . 2 8
will semiconductor ltd. tape and reel information reel dimensions tape dimensions quadrant assignments for pin1 orientation in tape rd reel dimension w overall width of the carrier tape p1 pitch between successive cavity centers pin1 pin1 quadrant user direction of feed reel dimensions rd w p1 q1 q2 q3 q4 q1 q2 q3 q4 7inch 13inch 8mm 12mm 2mm 4mm 8mm q1 q2 q3 q4 mar, 2017 - rev. 1 . 2 9 reel dimensions rd w p1 q1 q2 q3 q4 q1 q2 q3 q4 7inch 13inch 8mm 12mm 2mm 4mm 8mm q1 q2 q3 q4
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