? 2004 california micro devices corp. all rights reserved. 09/14/04 430 n. mccarthy blvd., milpitas, ca 95035-5112 tel: 408.263.3214 fax: 408.263.7846 www.calmicro.com 1 pacusb-d1/d2/d3 usb downstream port terminator features ? a low-capacitance usb downstream port termina- tor, emi filter, and transient over-voltage (esd) protector in a single surface-mounted package ? esd protection to + 20kv contact discharge, per mil-std-883d, method 3015 ? esd protection to + 15kv contact discharge, per iec 61000-4-2 international standard ? compact sot23-5 and sc70-5 package options save board space and lower manufacturing costs compared to discrete solutions ? capacitors matched to a precision exceeding the usb specification ? pin-compatible with st microelectronics usbdfxxw5 usb downstream port terminator ? lead-free versions available applications ? esd protection and termination of usb downstream ports ? desktop pcs ? notebooks ? set-top boxes ? usb hubs product description the pacusb-d1/d2/d3 is a single-channel usb downstream-port termination network. it integrates emi/rfi filter components r1 and c1, as recom- mended by the usb specification as well as the required 15k ? pull-down resistors (r2) to gnd. in addition, pacusb-d1/d2/d3 provides a very high level of protection for sensitive electronic components that may be subjected to electrostatic discharge (esd). the device pins will safely dissipate esd strikes of + 15kv, exceeding the maximum requirements of the iec 61000-4-2 internationa l standard. using the mil- std-883d (method 3015) specification for human body model (hbm) esd, all pins are protected from contact discharges to + 20kv. there are three options for the value of the series resistor r1: 15 ? , 22 ? , and 33 ? . this series resis- tance, plus the usb driver output resistance, must be close to the usb cable?s ch aracteristic impedance of 45 ? (each side) to minimize transmission line reflec- tions. the pacusb-d1/d2/d3 is manufactured in a 5-pin sc70 or a 5-pin sot23 package and is available with optional lead-f ree finishing. electrical schematic gnd 3 4 2 1 c1 c1 r1 r1 r2 r2 5
? 2004 california micro devices corp. all rights reserved. 2 430 n. mccarthy blvd., milpitas, ca 95035-5112 tel: 408.263.3214 fax: 408.263.7846 www.calmicro.com 09/14/04 pacusb-d1/d2/d3 ordering information note 1: parts are shipped in tape & reel form unless otherwise specified. pin descriptions pins name description 1 d+ cntr d+ data to the usb controller circuitry 2 gnd ground pin 3 d- cntr d- data to the usb controller circuitry 4 d- conn d- data to the usb connector 5 d+ conn d+ data to the usb connector package / pinout diagrams note 1: the "n" shown in part markings above re presents either the digit "1," "2," or "3." 5-pin sot23 d+ cntr gnd d- cntr d+ conn d- conn 1 2 5 3 4 udfn / top view 5-pin sc70 1 2 5 3 4 dfn / top view note 2: sot23 and sc70 package sizes may differ. these drawings are not to scale. pacusb-d1y5/-d2y5/-d3y5 pacusb-d1yb5/-d2yb5/-d3yb5 d+ cntr gnd d- cntr d+ conn d- conn dfnr fnr -d1y5r/-d2y5r/-d3y5r -d1yb5r/-d2yb5r/-d3yb5r part numbering information pins r1 value package standard finish lead-free finish ordering part number 1 part marking ordering part number 1 part marking 515 ? sot23-5 pacusb-d2y5 udf2 pacusb-d2y5r df2r 22 ? pacusb-d3y5 udf3 pacusb-d3y5r df3r 33 ? pacusb-d1y5 udf1 pacusb-d1y5r df1r 515 ? sc70-5 pacusb-d2yb5 df2 pacusb-d2yb5r f2r 22 ? pacusb-d3yb5 df3 pacusb-d3yb5r f3r 33 ? pacusb-d1yb5 df1 pacusb-d1yb5r f1r
? 2004 california micro devices corp. all rights reserved. 09/14/04 430 n. mccarthy blvd., milpitas, ca 95035-5112 tel: 408.263.3214 fax: 408.263.7846 www.calmicro.com 3 pacusb-d1/d2/d3 specifications absolute maximum ratings parameter rating units storage temperature range -65 to +150 c power dissipation per resistor 100 mw package power dissipation 200 mw voltage on any pin (dc) 6 v standard operat ing conditions parameter rating units operating temperature -40 to +85 c
? 2004 california micro devices corp. all rights reserved. 4 430 n. mccarthy blvd., milpitas, ca 95035-5112 tel: 408.263.3214 fax: 408.263.7846 www.calmicro.com 09/14/04 pacusb-d1/d2/d3 specifications (cont?d) note 1: electrical operating characte ristics guaranteed over standard operating conditions unless specified otherwise. note 2: guaranteed by design and characterization. note 3: esd voltage applied to pins with respec t to gnd, one at a time; unused pins are left open. note 4: pins 1 and 3 are not connected to the usb port connector, and therefore are not exposed to external esd hazards. thus, they do not require the high esd prot ection levels provided for pins 4 and 5. note 5: esd clamping voltage is measured at the opposite end of r1 from the pin to which the esd discharge is applied (e.g., if esd is applied to pin 6, then the clam ping voltage is measured at pin 1). electrical operating characteristics (see note 1) symbol parameter conditions min typ max units r1 resistance of r1 resistor (pacusb-d2y5/y5r , -d2yb5/yb5r) t a = 25c 12 15 18 ? r1 resistance of r1 resistor (pacusb-d3y5/y5r , -d3yb5/yb5r) t a = 25c 17.6 22 26.4 ? r1 resistance of r1 resistor (pacusb-d1y5/y5r , -d1yb5/yb5r) t a = 25c 26.4 33 39.6 ? r2 resistance of r2 resistor t a = 25c 15 k ? tcr temperature coefficient of resistance note 1 + 1300 ppm/ c c1 capacitance of c1 capacitor 0 v dc; 30 mvac; 1mhz; 25c 37.6 47 56.4 pf 2.5 vdc; 30 mvac; 1mhz; 25c 25.6 32 38.4 pf tol cm matching tolerance of c1 capacitors 1mhz; 25c + 2% i leak diode leakage current to gnd m easured at 3.3 vdc, 25c 1 100 na v rb diode reverse bias voltage i load = 10 a; t a = 25c 5.5 v v sig signal voltage: positive clamp negative clamp i load = 10ma; t a = 25c i load = 10ma; t a = 25c 5.6 -0.4 6.8 -0.8 9.0 -1.5 v v v esd in-system esd wi thstand voltage mil-std-883d, method 3015 (hbm) iec 61000-4-2 contact discharge pins 1, 3; notes 2,3 and 4 pins 4, 5; notes 2 and 3 pins 4, 5; notes 2 and 3 + 4 + 20 + 15 kv kv kv v cl clamping voltage under esd discharge mil-std-883d, method 3015 +8kv; notes 2 and 5 12 v mil-std-883d, method 3015 - 8kv; notes 2 and 5 -7 v
? 2004 california micro devices corp. all rights reserved. 09/14/04 430 n. mccarthy blvd., milpitas, ca 95035-5112 tel: 408.263.3214 fax: 408.263.7846 www.calmicro.com 5 pacusb-d1/d2/d3 performance information capacitance vs. voltage the c1 capacitance value as a function of dc voltage across it is presented in figure 1 . the curve is normal- ized to a capacitance of 1.0 capacitance units at 2.5 vdc. figure 1. diode capacitance vs. dc voltage (normalized) insertion loss vs. frequency characteristics figure 2. insertion loss vs. frequency performance curve, pacusb-d1(sot23-6) dc voltage normalized c1 capacitance 1.0 1.2 1.4 1.6 0.8 0.6 0.4 0.2 0 01234 56
? 2004 california micro devices corp. all rights reserved. 6 430 n. mccarthy blvd., milpitas, ca 95035-5112 tel: 408.263.3214 fax: 408.263.7846 www.calmicro.com 09/14/04 pacusb-d1/d2/d3 performance information (cont?d) figure 3. insertion loss vs. frequency performance curve, pacusb-d2(sot23-6) figure 4. insertion loss vs. frequency performance curve, pacusb-d3(sot23-6)
? 2004 california micro devices corp. all rights reserved. 09/14/04 430 n. mccarthy blvd., milpitas, ca 95035-5112 tel: 408.263.3214 fax: 408.263.7846 www.calmicro.com 7 pacusb-d1/d2/d3 application information the pacusb-d1/d2/d3 provi des a complete interface for a single downstream usb port typically found in computers and usb hubs. it integrates the series resistors (r1) and the 15k ? pull-down resistors (r2) for both usb data lines (d+ and d-) as well as the capaci- tors to ground for emi suppression. zener diodes pro- vide esd protection up to 15kv contact discharge per the iec 61000-4-2 standard and protect the usb con- troller on both data lines. the pacusb-d1/d2/d3 should be placed on the pcb between the usb controller and the usb connector, as shown on the connection diagram figure 5 . figure 5. connection diagram for pacusb-d1/d2/d3 devices to guarantee the best esd and filtering performance, it is recommended to physically locate the pacusb- d1/d2/d3 close to the usb connector. also, the trace lengths between the pacusb-d1/d2/d3 and the usb controller should be kept as short as possible. down- usb usb controller pacusb-dny5/y5r, -dnyb5/yb5r c1 c1 r1 r1 r2 r2 d+ d- d+ d- stream connector 2 1 3 4 5
? 2004 california micro devices corp. all rights reserved. 8 430 n. mccarthy blvd., milpitas, ca 95035-5112 tel: 408.263.3214 fax: 408.263.7846 www.calmicro.com 09/14/04 pacusb-d1/d2/d3 mechanical details pacusb-d1/d2/d3 devices are packaged in sot23-5 and sc70-5 packages . sot23-5 mechanical specifications: dimensions for pacusb-d1/d 2/d3 devices packaged in a 5-pin sot23 package are presented below. for complete information on the sot23-5 package, see the california micro devices sot23 package information document. * this is an approximate amount which may vary. package dimensions for sot23-5. package dimensions package sot23-5 (jedec name is mo-178) pins 5 dimensions millimeters inches min max min max a -- 1.45 -- 0.057 a1 0.00 0.15 0.000 0.006 b 0.30 0.50 0.012 0.020 c 0.08 0.22 0.003 0.009 d 2.75 3.05 0.108 0.120 e 2.60 3.00 0.102 0.118 e1 1.45 1.75 0.057 0.069 e 0.95 bsc 0.0374 bsc e1 1.90 bsc 0.0748 bsc l 0.30 0.60 0.0236 0.024 l1 0.60 ref 0.024 ref # per tape and reel 3000 pieces* controlling dimension: millimeters mechanical package diagrams top view 54 e1 e e1 e b a side view d a1 12 3 l1 end view c l
? 2004 california micro devices corp. all rights reserved. 09/14/04 430 n. mccarthy blvd., milpitas, ca 95035-5112 tel: 408.263.3214 fax: 408.263.7846 www.calmicro.com 9 pacusb-d1/d2/d3 mechanical details (continued) sc70-5 mechanical specifications: dimensions for pacusb-d1/d 2/d3 devices packaged in a 5-pin sc70 package are presented below. for complete information on the sc70-5 package, see the california micro devices sc70 package informa- tion document. * this is an approximate amount which may vary. package dimensions for sc70-5. package dimensions package sc70-5 (jedec name is mo-203 issue a) pins 5 dimensions millimeters min max a 0.80 1.10 a1 0.00 0.10 a2 0.70 1.00 b 0.15 0.30 c 0.08 0.25 d 1.85 2.25 e 1.15 1.35 e 0.65 bsc he 2.00 2.40 l 0.26 0.46 # / bag 1000 pieces* # / tape and reel 3000 pieces* mechanical package diagrams top view e e e he b a side view l end view d a2 a1 c 12 3 54
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