protection products 1 www.semtech.com preliminary protection products - railclamp ? ? ? ? ? RCLAMP7524T low capacitance rclamp ? 4-line esd protection description features dimensions circuit diagram revision 7/25/2013 applications mechanical characteristics ? esd protection for high-speed data lines to iec 61000-4-2 (esd) 30kv (air), 25kv (contact) iec 61000-4-5 (lightning) 5a (8/20 s) iec 61000-4-4 (eft) 40a (5/50ns) ? package design optimized for high speed lines ? flow-through design ? protects four high-speed lines ? low capacitance: 0.60pf maximum (i/o to ground) ? low esd clamping voltage ? low dynamic resistance: 0.50 ohms (typ) ? solid-state silicon-avalanche technology 4-line protection nominal dimensions in mm (bottom view) ? hdmi 1.3 and hdmi 1.4 ? v-by-one ? usb 3.0 ? mhl ? edp ? lvds interfaces ? esata interfaces railclamp ? tvs arrays are ultra low capacitance esd protection devices designed to protect high speed data interfaces. this series has been specifically engineered to protect sensitive components which are connected to high-speed data and transmission lines from over- voltage caused by esd (electrostatic discharge), cde (cable discharge events), and eft (electrical fast transients). the rclamp ? 7524t will protect four lines or two differential pairs. each line has a maximum capaci- tance of only 0.60pf between any i/o pin and ground. this allows it to be used on circuits operating in excess of 5ghz without signal attenuation. they feature high maximum esd withstand voltage of +/- 25kv contact, +/-30kv air discharge per iec 61000-4-2. the RCLAMP7524T is in a 5-pin slp1308n5t package. it measures 1.3 x 0.8mm with a nominal height of 0.40mm. the innovative flow through package design simplifies pcb layout and allows matched trace lengths for consistant impedance between high speed differen- tial lines. the combination of small size, low capacitance, and high level of esd protection makes this device a flexible solu- tion for applications such as hdmi, mhl, mddi, and edp interfaces. ? slp1308n5t 5-pin package (1.3 x 0.8 x 0.40mm) ? pb-free, halogen free, rohs/weee compliant ? lead pitch: 0.45mm ? lead finish: nipdau ? marking: marking code ? packaging: tape and reel 13 4 5 2 1.30 0.40 0.80 0.45 bsc 0.50 bsc 1 2
2 ? 2013 semtech corporation www.semtech.com preliminary protection products RCLAMP7524T absolute maximum rating electrical characteristics (t=25 o c) g n i t a rl o b m y se u l a vs t i n u ) s 0 2 / 8 = p t ( r e w o p e s l u p k a e pp k p 5 7s t t a w ) s 0 2 / 8 = p t ( t n e r r u c e s l u p k a e pi p p 5a ) r i a ( 2 - 4 - 0 0 0 1 6 c e i r e p d s e 1 ) t c a t n o c ( 2 - 4 - 0 0 0 1 6 c e i r e p d s e 1 v d s e 0 3 - / + 5 2 - / + v k e r u t a r e p m e t g n i t a r e p ot j 5 2 1 + o t 5 5 -c e r u t a r e p m e t e g a r o t st g t s 0 5 1 + o t 5 5 -c r e t e m a r a pl o b m y ss n o i t i d n o cm u m i n i ml a c i p y tm u m i x a ms t i n u e g a t l o v f f o - d n a t s e s r e v e rv m w r d n g o t o / i y n a5v e g a t l o v n w o d k a e r b e s r e v e rv r b i t , a m 1 = d n g o t o / i y n a 5 . 691 1v t n e r r u c e g a k a e l e s r e v e ri r v m w r , v 0 . 5 = d n g o t o / i y n a 5 0 0 . 00 0 1 . 0a e g a t l o v g n i p m a l cv c i p p s 0 2 / 8 = p t , a 1 = d n g o t o / i y n a 2 1v e g a t l o v g n i p m a l cv c i p p s 0 2 / 8 = p t , a 5 = d n g o t o / i y n a 5 1v e g a t l o v g n i p m a l c d s e 2 v c , a 4 = p p i s n 0 0 1 / 2 . 0 = p l t 1 1v e g a t l o v g n i p m a l c d s e 2 v c , a 6 1 = p p i s n 0 0 1 / 2 . 0 = p l t 7 1v e c n a t s i s e r c i m a n y d 3 r d s n 0 0 1 = p t0 5 . 0s m h o e c n a t i c a p a c n o i t c n u jc j v r , z h m 1 = f , v 0 = d n g o t o / i y n a 0 5 . 00 6 . 0f p v r , z h m 1 = f , v 0 = s n i p o / i n e e w t e b 5 2 . 04 . 0f p notes 1)measured with a 20db attenuator, 50 ohm scope input impedance, 2ghz bandwidth. esd gun return path connected to esd ground plane. 2)transmission line pulse test (tlp) settings: t p = 100ns, t r = 0.2ns, i tlp and v tlp averaging window: t 1 = 70ns to t 2 = 90ns. 3) dynamic resistance calculated from i tlp = 4a to i tlp = 16a
3 ? 2013 semtech corporation www.semtech.com preliminary protection products RCLAMP7524T typical characteristics non-repetitive peak pulse power vs. pulse time 8/20us pulse waveform 0 10 20 30 40 50 60 70 80 90 100 110 0 5 10 15 20 25 30 time (s) percent of i pp e -t td = i pp /2 waveform parameters: tr = 8s td = 20s junction capacitance vs. reverse voltage (between any i/o and ground) clamping voltage vs. peak pulse current (between any i/o and ground) tlp characteristic (positive) tlp characteristic (negative) 0.01 0.1 1 10 0.1 1 10 100 1000 pulse duration - tp (s) peak pulse power - p pp (kw) dr040412-75 6 7 8 9 10 11 12 13 14 0123456 peak pulse current - i pp (a) clamping voltage -v c (v) waveform parameters: tr = 8s td = 20s 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 00.511.522.53 reverse voltage - v r (v) capacitance - c j (pf) f = 1 mhz -30 -25 -20 -15 -10 -5 0 -20 -15 -10 -5 0 voltage (v) current (a) transmission line pulse test (tlp) settings: t p =100ns, t r =0.2ns, i tlp and v tlp averaging window: t =70ns to t =90ns 0 5 10 15 20 25 30 0 5 10 15 20 25 30 voltage (v) current (a) transmission line pulse test (tlp) settings: t p =100ns, t r =0.2ns, i tlp and v tlp averaging window: t =70ns to t =90ns
4 ? 2013 semtech corporation www.semtech.com preliminary protection products RCLAMP7524T typical characteristics (con?t) typical insertion loss s21 analog crosstalk esd clamping (-8kv contact per iec 61000-4-2) (between any i/o and ground) esd clamping (+8kv contact per iec 61000-4-2) (between any i/o and ground) -15 -12 -9 -6 -3 0 1.00e+06 1.00e+07 1.00e+08 1.00e+09 1.00e+10 frequency (hz) insertion loss (db) -140 -120 -100 -80 -60 -40 -20 0 1.00e+07 1.00e+08 1.00e+09 1.00e+10 frequency (hz) insertion loss (db) 0 10 20 30 40 50 60 70 -10 0 10 20 30 40 50 60 70 80 time (ns) voltage (v) measured with 50 ohm scope input impedance, 2ghz bandwidth. corrected for 50 ohm, 20db attenuator. esd gun return path connected to esd ground plane -70 -60 -50 -40 -30 -20 -10 0 -10 0 10 20 30 40 50 60 70 80 time (ns) voltage (v) measured with 50 ohm scope input impedance, 2ghz bandwidth. corrected for 50 ohm, 20db attenuator. esd gun return path connected to esd ground plane
5 ? 2013 semtech corporation www.semtech.com preliminary protection products RCLAMP7524T applications information assembly guidelines the small size of this device means that some care must be taken during the mounting process to insure reliable solder joint. the table below provides semtech's recommended assembly guidelines for mounting this device. the figure at the right details semtech?s recommended aperture based on the below recommendations. note that these are only recommendations and should serve only as a starting point for design since there are many factors that affect the assembly process. the exact manufactur- ing parameters will require some experimentation to get the desired solder application. r e t e m a r a p y l b m e s s an o i t a d n e m m o c e r n g i s e d l i c n e t s r e d l o sd e h s i l o p - o r t c e l e , t u c r e s a l e p a h s e r u t r e p ar a l u g n a t c e r s s e n k c i h t l i c n e t s r e d l o s) " 4 0 0 . 0 ( m m 0 0 1 . 0 e p y t e t s a p r e d l o sr e l l a m s r o e r e h p s e z i s 4 e p y t e l i f o r p w o l f e r r e d l o s0 2 0 - d t s - j c e d e j r e p n g i s e d d a p r e d l o s b c pd e n i f e d k s a m r e d l o s - n o n h s i n i f d a p b c pu a i n r o p s o recommended mounting pattern all dimensions are in mm. land pad. stencil opening component stencil opening (210x440 mm) land pad (180x400 mm) 1.05 .25 1.30
6 ? 2013 semtech corporation www.semtech.com preliminary protection products RCLAMP7524T applications information hdmi ? 1.4 ? type ? a ? connector rclamp7528t RCLAMP7524T RCLAMP7524T mhl layout and eye diagram with RCLAMP7524T hdmi 1.4 layout and eye diagram with RCLAMP7524T RCLAMP7524T vbus tmds \ tmds+ cbus gnd
7 ? 2013 semtech corporation www.semtech.com preliminary protection products RCLAMP7524T outline drawing - so-8 outline drawing - slp1308n5t land pattern - slp1308n5t e bbb c a b b bbb aaa n e d dim a1 a2 a 0.23 0.13 0.18 0.08 0.10 5 1.30 0.45 bsc millimeters max 0.05 0.43 dimensions min 0.00 nom 0.37 0.02 (0.13) 0.40 controlling dimensions are in millimeters (angles in degrees). notes: 1. 0.80 e 1.40 1.20 0.70 0.90 a b pin 1 indicator (laser mark) aaa c c seating plane e1 0.50 bsc l 0.20 0.25 0.30 1 n 2 e1/2 e1 e d a2 a1 a d/2 e/2 lxn bxn x p y z g (c) p1/2 p1 1. controlling dimensions are in millimeters (angles in degrees). p 0.45 this land pattern is for reference purposes only. consult your manufacturing group to ensure your notes: 2. dim x y p1 g c millimeters (0.65) 0.18 0.40 0.50 0.25 dimensions company's manufacturing guidelines are met. 1.05 z
8 ? 2013 semtech corporation www.semtech.com preliminary protection products RCLAMP7524T marking code ordering information railclamp and rclamp are trademarks of semtech corporation. carrier tape specification yyww = date code pin 1 indicator (laser mark) 7524t yyww r e b m u n t r a p r e p y t q l e e r l e e r e z i s t n t . t 4 2 5 7 p m a l c r 0 0 0 , 0 1 h c n i 7 device orientation in tape pin 1 location (towards sprocket holes) user direction of feed 7524t yyww 7524t yyww 7524t yyww 7524t yyww 7524t yyww 7524t yyww
9 ? 2013 semtech corporation www.semtech.com preliminary protection products RCLAMP7524T contact information semtech corporation protection products division 200 flynn road, camarillo, ca 93012 phone: (805)498-2111 fax (805)498-3804
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