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? 2004 california micro devices corp. all rights reserved. 01/13/04 430 n. mccarthy blvd., milpitas, ca 95035-5112 tel: 408.263.3214 fax: 408.263.7846 www.calmicro.com 1 CM1213 1, 2, 4, 6 and 8-channel low capacitance esd protection arrays features ? 1, 2, 4, 6 and 8 channels of esd protection provides + 8 kv esd protection on each channel per the iec 61000-4-2 esd requirements low loading capacitance of 1.0pf typical minimal capacitance change with temperature and voltage channel i/o to gnd capacitance difference of 0.02pf typical channel i/o to i/o capacitance 0.8pf typical zener diode protects supply rail and eliminates the need for external by-pass capacitors each i/o pin can withstand over 1000 esd strikes available in sot, soic and msop packages lead-free version available applications usb2.0 ports at 480mbps in desktop pcs, note- books and peripherals ieee1394 firewire ? ports at 400mbps / 800mbps dvi ports, hdmi ports in notebooks, set top boxes, digital tvs, lcd displays serial ata ports in desktop pcs and hard disk drives pci express ports general purpose high-speed data line esd protection product description the CM1213 family of diode arrays has been designed to provide esd protection for electronic components or sub-systems requiring minimal capacitive loading. these devices are ideal for protecting systems with high data and clock rates or for circuits requiring low capacitive loading. each esd channel consists of a pair of diodes in series which steer the positive or neg- ative esd current pulse to either the positive (v p ) or negative (v n ) supply rail. a zener diode is embedded between v p and v n , offering two advantages. first, it protects the v cc rail against esd strikes, and second, it eliminates the need for a bypass capacitor that would otherwise be needed for absorbing positive esd strikes to ground. the CM1213 will protect against esd pulses up to + 8kv per the iec 61000-4-2 stan- dard. this device is particularly well-suited for protecting sys- tems using high-speed ports such as usb2.0, ieee1394 (firewire ? , ilink ? ), serial ata, dvi, hdmi and corresponding ports in removable storage, digital camcorders, dvd-rw drives and other applications where extremely low loading capacitance with esd protection are required in a small package footprint. the CM1213 family of devices is available with optional lead-free finishing. electrical schematics ch1 v p v n CM1213-01st/so ch1 v p v n CM1213-02st/so ch2 ch1 v p v n CM1213-04st/so ch4 ch2 ch3 ch5 ch3 ch4 ch1 v p CM1213-06ms/mr ch6 ch2 v n CM1213-02ss/sr CM1213-06sn/sm ch3 ch6 ch4 ch5 ch1 CM1213-08ms/mr ch8 ch2 ch7 v p v n
? 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 01/13/04 CM1213 8-pin soic-8 1 2 3 4 8 7 6 5 ch1 ch2 v n ch3 ch6 v p ch5 ch4 to p v i e w d126 / package / pinout diagrams note: these drawings are not to scale. 3-lead sot23-3 ch1 v p v n 1 2 3 top view d121 / 4-lead sot143-4 1 4 2 3 d122 / top view v n ch1 v p ch2 5-lead sot23-5 1 2 5 3 4 d123 / top view 6-lead sot23-6 1 2 6 5 3 4 d124 / top view ch1 v n ch2 ch4 v p ch3 nc v n ch1 v p ch2 8-pin msop-8 1 2 3 4 8 7 6 5 ch1 ch2 v n ch3 ch6 v p ch5 ch4 to p v i e w 10-pin msop-10 1 2 3 4 10 9 8 7 ch1 ch2 ch3 ch4 ch8 ch7 v p ch6 top view 56 v n ch5 d128 / d127 / d134 d138 d137 d133 d132 d136 d131 1-channel sot23-3 package pin descriptions pin name type description 1 ch1 i/o esd channel 2v p pwr positive voltage supply rail 3v n gnd negative voltage supply rail 2-channel sot23-5 package pin descriptions pin name type description 1 nc no connect 2v n gnd negative voltage supply rail 3 ch1 i/o esd channel 4 ch2 i/o esd channel 5v p pwr positive voltage supply rail 4-channel sot23-6 package pin descriptions pin name type description 1 ch1 i/o esd channel 2v n gnd negative voltage supply rail 3 ch2 i/o esd channel 4 ch3 i/o esd channel 5v p pwr positive voltage supply rail 6 ch4 i/o esd channel 2-channel sot143-4 package pin descriptions pin name type description 1v n gnd negative voltage supply rail 2 ch1 i/o esd channel 3 ch2 i/o esd channel 4v p pwr positive voltage supply rail 6-channel msop-8/soic-8 package pin descriptions pin name type description 1 ch1 i/o esd channel 2 ch2 i/o esd channel 3v n gnd negative voltage supply rail 4 ch3 i/o esd channel 5 ch4 i/o esd channel 6 ch5 i/o esd channel 7v p pwr positive voltage supply rail 8 ch6 i/o esd channel 8-channel msop-10 package pin descriptions pin name type description 1 ch1 i/o esd channel 2 ch2 i/o esd channel 3 ch3 i/o esd channel 4 ch4 i/o esd channel 5v n gnd negative voltage supply rail 6 ch5 i/o esd channel 7 ch6 i/o esd channel 8v p pwr positive voltage supply rail 9 ch7 i/o esd channel 10 ch8 i/o esd channel
? 2004 california micro devices corp. all rights reserved. 01/13/04 430 n. mccarthy blvd., milpitas, ca 95035-5112 tel: 408.263.3214 fax: 408.263.7846 www.calmicro.com 3 CM1213 ordering information note 1: parts are shipped in tape & reel form unless otherwise specified. specifications note 1: only one diode conducting at a time. part numbering information standard finish lead-free finish # of channels pins package ordering part number 1 part marking ordering part number 1 part marking 1 3 sot23-3 CM1213-01st d121 CM1213-01so d131 2 4 sot143-4 CM1213-02ss d122 CM1213-02sr d132 2 5 sot23-5 CM1213-02st d123 CM1213-02so d133 4 6 sot23-6 CM1213-04st d124 CM1213-04so d134 6 8 soic-8 CM1213-06sn d126 CM1213-06sm d136 6 8 msop-8 CM1213-06ms d127 CM1213-06mr d137 8 10 msop-10 CM1213-08ms d128 CM1213-08mr d138 absolute maximum ratings parameter rating units operating supply voltage (v p - v n )6.0v diode forward dc current (note 1) 8 ma operating temperature range -40 to +85 c storage temperature range -65 to +150 c dc voltage at any channel input (v n - 0.5) to (v p + 0.5) v standard operating conditions parameter rating units operating temperature range -40 to +85 c package power rating sot23-3 package (CM1213-01st/so) sot143-4 package (CM1213-02ss/sr) sot23-5 package (CM1213-02st/so) sot23-6 package (CM1213-04st/so) msop8 package (CM1213-06ms/mr) soic8 package (CM1213-06sn/sm) msop10 package (CM1213-08ms/mr) 225 225 225 225 400 600 400 mw mw mw mw mw mw mw
? 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 01/13/04 CM1213 note 1: all parameters specified at t a = -40c to +85c unless otherwise noted. note 2: these parameters guaranteed by design and characterization. note 3: human body model per mil-std-883, method 3015, c discharge = 100pf, r discharge = 1.5k ?, v p = 3.3v, v n grounded. note 4: standard iec 61000-4-2 with c discharge = 150pf, r discharge = 330 ? , v p = 3.3v, v n grounded. note 5: these measurements performed with no external capacitor on v p . note 6: measured under pulsed conditions, pulse width = 0.7ms, maximum current = 1.5a. electrical operating characteristics 1 symbol parameter conditions min typ max units v p operating supply voltage (v p -v n )3.35.5v i p operating supply current (v p -v n )=3.3v 8.0 a v f diode forward voltage top diode bottom diode i f = 8ma; t a =25c 0.60 0.60 0.80 0.80 0.95 0.95 v v i leak channel leakage current t a =25c; v p =5v, v n =0v 0.1 1.0 a c in channel input capacitance at 1 mhz, v p =3.3v, v n =0v, v in =1.65v; note 2 applies 1.0 1.5 pf ? c in channel i/o to gnd capacitance 0.02 pf ? c io channel i/o to i/o capacitance 0.80 pf v esd esd protection peak discharge voltage at any channel input, in system, con- tact discharge per iec 61000-4- 2 standard notes 2, 4 and 5; t a =25c 8kv v cl channel clamp voltage positive transients negative transients at 8kv esd hbm; t a =25c; notes 2 & 3 +9.0 -9.0 v v r dyn dynamic resistance positive transients negative transients t a =25c; notes 5 & 6 1.2 0.6 ? ?
? 2004 california micro devices corp. all rights reserved. 01/13/04 430 n. mccarthy blvd., milpitas, ca 95035-5112 tel: 408.263.3214 fax: 408.263.7846 www.calmicro.com 5 CM1213 performance information input channel capacitance performance curves typical variation of c in vs. v in (f=1mhz, v p = 3.3v, v n = 0v, 0.1 f chip capacitor between v p and v n, 25c ) typical variation of c in vs. temp (f=1mhz, v in =30mv, v p = 3.3v, v n = 0v, 0.1 f chip capacitor between v p and v n ) 0 0.5 1 1.5 2 00.511.522.53 input voltage (v) input capacitance (pf) 0.75 0.80 0.85 0.90 0.95 1.00 1.05 1.10 1.15 1.20 1.25 -50 -25 0 25 50 75 100 temperature (c) input c apacitance (pf) 0v dc input bias 1.65v dc input bias
? 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 01/13/04 CM1213 performance information (cont?d) typical filter performance (nominal conditions unless specified otherwise, 50 ohm environment) figure 1. insertion loss (s21) vs. frequency (0v dc bias, v p =3.3v) figure 2. insertion loss (s21) vs. frequency (2.5v dc bias, v p =3.3v)
? 2004 california micro devices corp. all rights reserved. 01/13/04 430 n. mccarthy blvd., milpitas, ca 95035-5112 tel: 408.263.3214 fax: 408.263.7846 www.calmicro.com 7 CM1213 application information design considerations in order to realize the maximum protection against esd pulses, care must be taken in the pcb layout to minimize parasitic series inductances on the supply/ ground rails as well as the signal trace segment between the signal input (typically a connector) and the esd protection device. refer to figure 3 , which illus- trates an example of a positive esd pulse striking an input channel. the parasitic series inductance back to the power supply is represented by l 1 and l 2 . the volt- age v cl on the line being protected is: v cl = fwd voltage drop of d 1 + v supply + l 1 x d(i esd ) / dt + l 2 x d(i esd ) / dt where i esd is the esd current pulse, and v supply is the positive supply voltage. an esd current pulse can rise from zero to its peak value in a very short time. as an example, a level 4 contact discharge per the iec61000-4-2 standard results in a current pulse that rises from zero to 30 amps in 1ns. here d(i esd )/dt can be approximated by ? i esd / ? t, or 30/(1x10 -9 ). so just 10nh of series induc- tance (l 1 and l 2 combined) will lead to a 300v incre- ment in v cl ! similarly for negative esd pulses, parasitic series inductance from the v n pin to the ground rail will lead to drastically increased negative voltage on the line being protected. the CM1213 has an integrated zener diode between v p and v n . this greatly reduces the effect of supply rail inductance l 2 on v cl by clamping v p at the breakdown voltage of the zener diode. however, for the lowest possible v cl , especially when v p is biased at a voltage significantly below the zener breakdown voltage, it is recommended that a 0.22 f ceramic chip capacitor be connected between v p and the ground plane. as a general rule, the esd protection array should be located as close as possible to the point of entry of expected electrostatic discharges. the power supply bypass capacitor mentioned above should be as close to the v p pin of the protection array as possible, with minimum pcb trace lengths to the power supply, ground planes and between the signal input and the esd device to minimize stray series inductance. additional information see also california micro devices application note ap209, ? design considerations for esd protection ? , in the applications section at www.calmicro.com. figure 3. application of positive esd pulse between input channel and ground n l 2 l 1 v p v path of esd current pulse i one channel of CM1213 channel input ground rail chassis ground positive supply rail system or circuitry being protected line being protected esd 0.22 f d 1 2 d 0a 25a v cl v cc
? 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 01/13/04 CM1213 mechanical details the CM1213 is available in sot23-3, sot143-4, sot23-5, sot23-6, msop-8, soic-8 and msop-10 packages with a lead-free finishing option.the various package drawings are presented below. sot23-3 mechanical specifications dimensions for CM1213-01st/so devices packaged in 3-pin sot23 packages are presented below. for complete information on the sot23-3 package, see the california micro devices sot23 package infor- mation document. package dimensions for sot23-3. package dimensions package sot23-3 (jedec name is to-236) pins 3 dimensions millimeters inches min max min max a 0.89 1.12 0.0350 0.0441 a1 0.01 0.10 0.0004 0.0039 b 0.30 0.50 0.0118 0.0197 c 0.08 0.20 0.0031 0.0079 d 2.80 3.04 0.1102 0.1197 e 2.10 2.64 0.0827 0.1039 e1 1.20 1.40 0.0472 0.0551 e 0.95 bsc 0.0374 bsc e1 1.90 bsc 0.0748 bsc l 0.40 0.60 0.0157 0.0236 l1 0.54 ref 0.0213 ref # per tape and reel 3000 pieces controlling dimension: millimeters mechanical package diagrams top view e e1 e a side view l1 end view d a1 c 12 e1 b l 3
? 2004 california micro devices corp. all rights reserved. 01/13/04 430 n. mccarthy blvd., milpitas, ca 95035-5112 tel: 408.263.3214 fax: 408.263.7846 www.calmicro.com 9 CM1213 mechanical details (cont?d) sot143 mechanical specifications dimensions for CM1213-02ss/sr devices packaged in 4-pin sot143 packages are presented below. for complete information on the sot143 package, see the california micro devices sot143 package infor- mation document. package dimensions for sot143. package dimensions package sot143 pins 4 dimensions millimeters inches min max min max a 0.80 1.22 0.031 0.048 a1 0.05 0.15 0.002 0.006 b 0.30 0.50 0.012 0.019 b2 0.76 0.89 0.030 0.035 c 0.08 0.20 0.003 0.008 d 2.80 3.04 0.110 0.119 e 2.10 2.64 0.082 0.103 e1 1.20 1.40 0.047 0.055 e 1.92 bsc 0.075 bsc e1 0.20 bsc 0.008 bsc l 0.4 0.6 0.016 0.024 l1 0.54 ref 0.021 ref # per tape and reel 3000 pieces controlling dimension: millimeters mechanical package diagrams top view 43 e e1 e b2 a side view l end view d a1 c 12 b e1 l1
? 2004 california micro devices corp. all rights reserved. 10 430 n. mccarthy blvd., milpitas, ca 95035-5112 tel: 408.263.3214 fax: 408.263.7846 www.calmicro.com 01/13/04 CM1213 mechanical details (cont?d) sot23-5 mechanical specifications dimensions for CM1213-02st/so devices packaged in 5-pin sot23 packages are presented below. for complete information on the sot23-5 package, see the california micro devices sot23 package infor- mation document. 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 -- 0.0571 a1 0.00 0.15 0.0000 0.0059 b 0.30 0.50 0.0118 0.0197 c 0.08 0.22 0.0031 0.0087 d 2.75 3.05 0.1083 0.1201 e 2.60 3.00 0.1024 0.1181 e1 1.45 1.75 0.0571 0.0689 e 0.95 bsc 0.0374 bsc e1 1.90 bsc 0.0748 bsc l 0.30 0.60 0.0118 0.0236 l1 0.60 ref 0.0236 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 l1 end view c l 12 3
? 2004 california micro devices corp. all rights reserved. 01/13/04 430 n. mccarthy blvd., milpitas, ca 95035-5112 tel: 408.263.3214 fax: 408.263.7846 www.calmicro.com 11 CM1213 mechanical details (cont?d) sot23-6 mechanical specifications CM1213-04st/so devices are packaged in 6-pin sot23 packages. dimensions are presented below. for complete information on the sot23-6 package, see the california micro devices sot23 package infor- mation document. package dimensions for sot23-6. package dimensions package sot23-6 (jedec name is mo-178) pins 6 dimensions millimeters inches min max min max a -- 1.45 -- 0.0571 a1 0.00 0.15 0.0000 0.0059 b 0.30 0.50 0.0118 0.0197 c 0.08 0.22 0.0031 0.0087 d 2.75 3.05 0.1083 0.1201 e 2.60 3.00 0.1024 0.1181 e1 1.45 1.75 0.0571 0.0689 e 0.95 bsc 0.0374 bsc e1 1.90 bsc 0.0748 bsc l 0.30 0.60 0.0118 0.0236 l1 0.60 ref 0.0236 ref # per tape and reel 3000 pieces controlling dimension: millimeters mechanical package diagrams top view 12 3 65 4 e1 e e1 e b a side view d a1 l1 end view c l pin 1 marking
? 2004 california micro devices corp. all rights reserved. 12 430 n. mccarthy blvd., milpitas, ca 95035-5112 tel: 408.263.3214 fax: 408.263.7846 www.calmicro.com 01/13/04 CM1213 mechanical details soic-8 mechanical specifications dimensions for CM1213-06sn/sm devices packaged in 8-pin soic packages are presented below. for complete information on the soic-8 package, see the california micro devices soic package informa- tion document. * this is an approximate number which may vary. package dimensions for soic-8 package dimensions package soic pins 8 dimensions millimeters inches min max min max a 1.35 1.75 0.053 0.069 a 1 0.10 0.25 0.004 0.010 b 0.33 0.51 0.013 0.020 c 0.19 0.25 0.007 0.010 d 4.80 5.00 0.189 0.197 e 3.80 4.19 0.150 0.165 e 1.27 bsc 0.050 bsc h 5.80 6.20 0.228 0.244 l 0.40 1.27 0.016 0.050 # per tube 100 pieces* # per tape and reel 2500 pieces controlling dimension: inches mechanical package diagrams e d h top view l end view c e b a a 1 seating plane side view 1234 8765 pin 1 marking
? 2004 california micro devices corp. all rights reserved. 01/13/04 430 n. mccarthy blvd., milpitas, ca 95035-5112 tel: 408.263.3214 fax: 408.263.7846 www.calmicro.com 13 CM1213 mechanical details msop-8 mechanical specifications: CM1213-06ms/mr devices are packaged in 8-pin msop packages. dimensions are presented below. for complete information on the msop-8 package, see the california micro devices msop package informa- tion document. * this is an approximate amount which may vary. package dimensions for msop-8 package dimensions package msop pins 8 dimensions millimeters inches min max min max a 0.87 1.17 0.034 0.046 a1 0.05 0.25 0.002 0.010 b 0.30 (typ) 0.012 (typ) c 0.18 0.007 d 2.90 3.10 0.114 0.122 e 2.90 3.10 0.114 0.122 e 0.65 bsc 0.025 bsc h 4.78 4.98 0.188 0.196 l 0.52 0.54 0.017 0.025 # per tube 80 pieces* # per tape and reel 4000 pieces controlling dimension: inches mechanical package diagrams e d h 1234 8765 l end view c e b a a1 seating plane side view top view pin 1 marking
? 2004 california micro devices corp. all rights reserved. 14 430 n. mccarthy blvd., milpitas, ca 95035-5112 tel: 408.263.3214 fax: 408.263.7846 www.calmicro.com 01/13/04 CM1213 mechanical details (cont?d) msop-10 mechanical specifications CM1213-08ms/mr devices are packaged in 10-pin msop packages. dimensions are presented below. for complete information on the msop-10 package, see the california micro devices msop package infor- mation document. * this is an approximate number which may vary. package dimensions for msop-10 package dimensions package msop pins 10 dimensions millimeters inches min max min max a 0.75 0.95 0.028 0.038 a1 0.05 0.15 0.002 0.006 b 0.18 0.40 0.006 0.016 c 0.18 0.007 d 2.90 3.10 0.114 0.122 e 2.90 3.10 0.114 0.122 e 0.50 bsc 0.0196 bsc h 4.76 5.00 0.187 0.197 l 0.40 0.70 0.0137 0.029 # per tube 80 pieces* # per tape and reel 4000 controlling dimension: inches mechanical package diagrams e d h 1234 10 9 8 7 l end view c e b a a1 seating plane side view top view 6 5 pin 1 marking

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