1/8 www .rohm.com 2009.0 6 - rev . c ? 2009 r o hm c o ., lt d. all right s reserved. v o lt age detector ic s e ries low v o lt age s t andard cmos v o lt age detector ic series bu48 g , bu48 f , bu48 fv e, bu49 g , bu49 f , bu49 fve series ? descrip tio n rohm st andar d cmos reset ic series is a h i gh-acc u rac y l o w curr ent cons umptio n reset ic series. t he lineup w a s est ablish ed w i t h t w o o u tpu t ty p e s (nch o pen dra i n an d cmos output) and detectio n volt age ran g e from 0.9v to 4.8v in increment s of 0.1v , so that the series ma y b e selecte d acc o rdin g to the a pplic atio n at ha nd. ? f eatu r es 1) detectio n volt a ge from 0.9v to 4.8v in 0.1v i n crement s 2) high l y accurat e detectio n voltage: 1.0 % 3) ultra-lo w c u rre nt consumpti o n 4) nch op en dra i n output (bu48 g/f/f ve)and cmos output (bu49 g/f/f ve) 5) small surface p a ckage ssop5: bu48 g bu49 g sop4: bu48 f bu49 f vsof5: bu48 fve bu49 fve ? a pplic a t ions all electro n ics devices th at use microcontro ll ers and l ogic ci rcuit s. ? selection g u ide ? l ine up mak i ng det e ct ion v olt age part number mak i ng det e ct ion v olt age part number mak i ng det e ct ion v olt age part number mak i ng det e ct ion v olt age part number jr 4.8v bu4848 hv 2.8v bu4828 lh 4.8v bu4948 km 2.8v bu4928 jq 4.7v bu4847 hu 2.7v bu4827 lg 4.7v bu4947 kl 2.7v bu4927 jp 4.6v bu4846 ht 2.6v bu4826 lf 4.6v bu4946 kk 2.6v bu4926 jn 4.5v bu4845 hs 2.5v bu4825 le 4.5v bu4945 kj 2.5v bu4925 jm 4.4v BU4844 hr 2.4v bu4824 ld 4.4v bu4944 kh 2.4v bu4924 jl 4.3v bu4843 hq 2.3v bu4823 lc 4.3v bu4943 kg 2.3v bu4923 jk 4.2v bu4842 hp 2.2v bu4822 lb 4.2v bu4942 kf 2.2v bu4922 jj 4.1v bu4841 hn 2.1v bu4821 la 4.1v bu4941 ke 2.1v bu4921 jh 4.0v bu4840 hm 2.0v bu4820 kz 4.0v bu4940 kd 2.0v bu4920 jg 3.9v bu4839 hl 1.9v bu4819 k y 3.9v bu4939 kc 1.9v bu4919 jf 3.8v bu4838 hk 1.8v bu4818 kx 3.8v bu4938 kb 1.8v bu4918 je 3.7v bu4837 hj 1.7v bu4817 kw 3.7v bu4937 ka 1.7v bu4917 jd 3.6v bu4836 hh 1.6v bu4816 kv 3.6v bu4936 jz 1.6v bu4916 jo 3.5v bu4835 hg 1.5v bu4815 ku 3.5v bu4935 j y 1.5v bu4915 jb 3.4v bu4834 hf 1.4v bu4814 kt 3.4v bu4934 jx 1.4v bu4914 ja 3.3v bu4833 he 1.3v bu4813 ks 3.3v bu4933 jw 1.3v bu4913 hz 3.2v bu4832 hd 1.2v bu4812 kr 3.2v bu4932 jv 1.2v bu4912 h y 3.1v bu4831 hc 1.1v bu481 1 kq 3.1v bu4931 ju 1.1v bu4911 hx 3.0v bu4830 hb 1.0v bu4810 kp 3.0v bu4930 jt 1.0v bu4910 hw 2.9v bu4829 ha 0.9v bu4809 kn 2.9v bu4929 js 0.9v bu4909 no. s pecificati ons descripti on 1 output circuit f o rmat 8:open dr a i n output, 9:cmos output 2 detectio n v o lt a g e example v de t : represented as 0.1v step s in th e range fr om 0.9v to 4.8v (displayed as 0. 9 in the case of 0.9v) 3 package g : sso p5 (smp5 c 2)/ f :s o p 4/ fv e:vso f5 (emp5) no.09006ec t 01 part numbe r : b u 4 1 2 3 http://
technical note 2/8 bu48 g , bu48 f , bu48 fv e, bu49 g , bu49 f , bu49 fve series www .rohm.com 2009.0 6 - rev . c ? 2009 r o hm c o ., lt d. all right s reserved. ? a b so lu te maximu m ratin g s (t a= 25c) parameter s y mbol limit s unit power supply voltage vdd-gnd -0.3 ~ +7 v output v o lt age nch open dr ai n output vout gnd-0.3 ~ + 7 v cmos output gnd-0.3 ~ vdd+0.3 po w e r dissip a tion s s o p 5 *1*4 pd 540 mw s o p 4 *2*4 400 v s o f 5 *3*4 210 operating temperature topr -40 ~ +125 c ambient storage temperature tstg -55 ~ +125 c *1 w hen u s ed at tempera t ure s hi gher than t a =25c, the pow er i s r educed by 5.4m w p er 1 c abov e 25c. *2 w h e n u s ed a t te mperature s higher than t a =25 c , the p o w e r is re duce d by 4.0m w pe r 1 c ab ov e 25c. *3 w hen u s ed at tempera t ure s hi gher than t a =25c, the pow er i s r educed by 2.1m w p er 1 c abov e 25c. *4 w hen a ro hm st and ard cir c ui t board ( 70mm70m m1.6mm, g lass ep oxy board)is moun ted. ? electrical ch aract eristics parameter s y mbol condition limit unit min. t y p. max. detectio n v o lt a g e v det v dd =h ? l , t a = 25c r l = 470k ? bu48 48 4.752 4.800 4.848 v bu48 47 4.653 4.700 4.747 bu48 46 4.554 4.600 4.646 bu48 45 4.455 4.500 4.545 bu48 44 4.356 4.400 4.444 bu48 43 4.257 4.300 4.343 bu48 42 4.158 4.200 4.242 bu48 41 4.059 4.100 4.141 bu48 40 3.960 4.000 4.040 bu48 39 3.861 3.900 3.939 bu48 38 3.762 3.800 3.838 bu48 37 3.663 3.700 3.737 bu48 36 3.564 3.600 3.636 bu48 35 3.465 3.500 3.535 bu48 34 3.366 3.400 3.434 bu48 33 3.267 3.300 3.333 bu48 32 3.168 3.200 3.232 bu48 31 3.069 3.100 3.131 bu48 30 2.970 3.000 3.030 bu48 29 2.871 2.900 2.929 bu48 28 2.772 2.800 2.828 bu48 27 2.673 2.700 2.727 bu48 26 2.574 2.600 2.626 bu48 25 2.475 2.500 2.525 bu48 24 2.376 2.400 2.424 bu48 23 2.277 2.300 2.323 bu48 22 2.178 2.200 2.222 bu48 21 2.079 2.100 2.121 bu48 20 1.980 2.000 2.020 bu48 19 1.881 1.900 1.919 bu48 18 1.782 1.800 1.818 bu48 17 1.683 1.700 1.717 bu48 16 1.584 1.600 1.616 bu48 15 1.485 1.500 1.515 bu48 14 1.386 1.400 1.414 bu48 13 1.287 1.300 1.313 bu48 12 1.188 1.200 1.212 bu481 1 1 .089 1.100 1.1 1 1 bu48 10 0.990 1.000 1.010 bu48 09 0.891 0.900 0.909 detectio n v o lt a g e t e mperature c oef ficie n t v det / ? t t a = - 40c~ 125 c *1 - 30 - ppm/c h y ster esis v o ltage ? v det v dd =l ? h ? l t a = -40c~ 125c r l = 470k ? vdet 1.0v vdet 0 .03 vdet 0 .05 vdet 0.08 v vdet 1.1v vdet 0 .0 3 vdet 0 .05 vdet 0 .0 7 *1 de signed gua r antee .(ou tgoing in spection is no t d one on all produ ct s.) *this prod uct i s no t de signed fo r pr ote c tio n ag ain s t radioa ctiv e ray s .
technical note 3/8 bu48 g , bu48 f , bu48 fv e, bu49 g , bu49 f , bu49 fve series www .rohm.com 2009.0 6 - rev . c ? 2009 r o hm c o ., lt d. all right s reserved. ? electrical ch aract eristics (un l ess oth e rw ise s p ecified t a = - 25 to 12 5c) parameter s y mbol condition limit unit min. t y p. max. circuit curr ent w h en on i dd 1 v dd =v det -0.2v v de t = 0 .9-1.3v - 0.15 0.88 a v de t = 1 .4-2.1v - 0.20 1.05 v de t = 2 .2-2.7v - 0.25 1.23 v de t = 2 .8-3.3v - 0.30 1.40 v de t = 3 .4-4.2v - 0.35 1.58 v de t = 4 .3-4.8v - 0.40 1.75 circuit curr ent w h en off i dd 2 v dd =v det +2.0v v de t = 0 .9-1.3v - 0.30 1.40 a v de t = 1 .4-2.1v - 0.35 1.58 v de t = 2 .2-2.7v - 0.40 1.75 v de t = 2 .8-3.3v - 0.45 1.93 v de t = 3 .4-4.2v - 0.50 2.10 v de t = 4 .3-4.8v - 0.55 2.28 operatin g v o lt age r ang e v opl v ol 0.4v , t a =25~ 12 5c, r l = 470k ? 0.70 - - v v ol 0.4v , t a = - 40~ 25c, r l = 4 70k ? 0.90 - - ?lo w ? output c u rrent (nch) i ol v ds = 0 .05v v dd = 0 .85v 20 100 - a v ds =0 .5 v v dd =1 .5 v v det = 1 .7-4.8v 1.0 3.3 - ma v ds =0 .5 v v dd =2 .4 v v det = 2 .7-4.8v 4.0 7.2 - ?hig h? outp ut current (pch) (only bu49 g/f/fve) i oh v ds =0 .5 v v dd =4 .8 v v det = 0 .9-3.9v 1.7 3.4 - ma v ds =0 .5 v v dd =6 .0 v v det = 4 .0-4.8v 2.0 4.0 - output leak current w hen off (only bu48 g/f/fve) ileak v dd =v ds =7 v t a = - 40c~ 85c - 0 0.1 a v dd =v ds =7 v ta=85c~125c - 0 1 * thi s produ ct i s n o t de sign ed for pro t e c tio n ag ain s t radioa ctiv e ray s . ? blo ck diag r a ms bu48 g/f/f ve bu49 g/f/fv e fig . 1 f i g.2 sso p5 so p4 vso f5 pin no . sy mbol functio n pin no . sy m bol functio n pi n no . sy mbol functio n 1 vout res e t out p ut 1 vout res et ou tpu t 1 vout reset ou tpu t 2 vdd pow er supply v olt age 2 vdd pow er supply v olt age 2 sub substra t e* 3 gnd gnd 3 n.c. unconne cted termi nal 3 n.c. unconne cted termi nal 4 n.c. unconne cted termi nal 4 g nd gnd 4 vdd pow e r supply v o lt age 5 n.c. unconne cted termi nal 5 gnd gnd *c onn ect t he s u bstr at e to v dd :w vref v out v dd gnd :w vref v out v dd gnd top view to p v i e w top view
technical note 4/8 bu48 g , bu48 f , bu48 fv e, bu49 g , bu49 f , bu49 fve series www .rohm.com 2009.0 6 - rev . c ? 2009 r o hm c o ., lt d. all right s reserved. ? referen ce dat a (un l ess sp ecified o t h e r w ise, t a = 25c) f i g.3 circuit c u rrent 0. 0 0.1 0. 2 0. 3 0. 4 0. 5 0. 6 01 2 3 45 6 7 v dd su p pl y vo l t ag e v dd [v ] circuit curre nt i dd [ a] bu4816f 0 1 2 3 4 5 0. 0 0. 5 1. 0 1. 5 2. 0 2. 5 dra i n- s o urce v o l t a g e v ds [v ] " l ow" outp ut curre nt i ol [ma] v dd =1.2 v b u 4816f fig.4 ?low? output current 0 5 10 15 20 25 01 2 3 45 6 dra i n- s o urce v o l t a g e v ds [v ] " h igh" outp ut curre nt i oh [m a] bu4916f v dd =6.0v v dd =4.8v f i g.5 ?high? o u tput curre nt 0. 0 0.1 0. 2 0. 3 0. 4 0. 5 - 40 0 40 80 120 t e m p e ra t ure ta [ ] circuit current w h en on i dd1 [ a] b u 4816f fig.9 circuit current when on fig.10 circuit current when off 0.0 0. 2 0. 4 0. 6 0. 8 1. 0 - 40 0 40 80 120 t e m p e ra t ure ta [ ] circuit current w h en off i dd2 [ a] bu4816f 0.0 0. 2 0. 4 0. 6 0. 8 1. 0 - 40 0 40 80 120 t e m p e ra t ure ta [ ] m i nim u m operating voltage v op l [v] b u 4816f fig.11 operating limit voltage fig.6 i/o characteristics 0 1 2 3 4 5 6 7 01 2 3 45 6 7 v dd su p pl y vo l t ag e v dd [v ] ou tpu t voltage v ou t [v] bu4816f 0.0 0. 2 0. 4 0. 6 0. 8 1. 0 0. 0 0. 5 1. 0 1. 5 2. 0 2. 5 v dd su p pl y vo l t ag e v dd [v ] ou tpu t voltage v ou t [v] b u 4816f fig.7 operating limit voltage fig.8 detecting voltage release voltage 1.0 1. 5 2. 0 - 40 0 40 80 120 t e m p e ra t ure ta [ ] de te ction v o l ta g e v de t [v] low to hig h(v det + v det ) hig h to low(v det ) bu4816f
technical note 5/8 bu48 g , bu48 f , bu48 fv e, bu49 g , bu49 f , bu49 fve series www .rohm.com 2009.0 6 - rev . c ? 2009 r o hm c o ., lt d. all right s reserved. ? reference dat a exam ples of output risin g val ue(t plh )and output falli ng val ue(t phl ) part number t plh [s] t phl [s] bu4845g/f/fve 23.3 275.9 bu4945g/f/fve 3.5 354.3 v dd =4.3v ? 5.1v v dd =5.1v ? 4.3v * t h is dat a is for referenc e on l y . t h is figure w i ll var y w i t h the a pplic atio n, so please c onfirm a c tual op eratio n conditi ons bef ore use. ? exp l anatio n o f op eratio n f o r both the op en dra in t y pe(f ig.12) and t he cmos output typ e (f ig.1 3), the detec tio n an d rele ase volt a ges are used as thres h old volt a ges. w hen the vo lt ag e app lie d to the v dd pins re a c hes the ap plic able thr e sho l d volt age, the v o ut terminal v o lt ag e s w itches fro m either ?hi gh? to ?lo w ? or fro m ?lo w ? to ?hi gh?. becaus e the bu4 8 g/f / f ve series uses a n ope n drai n out put t y p e , it is possibl e to conn ect a pull-u p re sistor to v dd or another p o w e r suppl y [t he output ?hig h? volt age (v out ) in this case bec omes v dd or the voltage of the oth e r po w e r su ppl y] . f i g.12 (bu4 8 ty p e inter nal block di agr am) f i g.13 (bu4 9 ty p e inter nal block di agr am) ? t i ming w a v e forms exam ple:t he follo w i n g sho w s the relatio n shi p bet w e en the input volt a ge v dd , the ct t e rminal v o lt a ge v ct and the o u tput volt age v out w h en the i nput po w e r sup p l y volt age v dd is made to s w e e p up and s w e e p do w n (t he circuit s are thos e in f ig.12 an d 13). 1 w hen the po w e r suppl y is turned on, the o u tput is unsettl ed from af ter ove r the op eratin g limit vo lt age (v opl ) until t phl . t herefore it is possibl e that the reset signal is not out putted w h en th e rise ti me of vdd is faster than t phl . 2 w hen v dd is g r eater than v op l but less than the reset rele ase volt age (v det + v det ), output (v out ) volt age s w i ll s w itch to l. 3 if v dd excee d s the reset relea s e volt ag e (v det + v det ), then v out s w itch es from l to h ( w it h a del a y of t pl h ). 4 if v dd drop s belo w t he det ection v o lt ag e (v det ) w h en th e po w e r s upp l y i s po w e r ed do wn or w h e n ther e is a po w e r su ppl y fluctuatio n, v out s w itc hes to l ( w ith a d e la y of t phl ). 5 t he potential defere n ce bet w e en th e dete c tion volt a ge and the rele ase voltage is kn o w n a s the h y ster esi s w i d t h (v det ). t he s y stem is d e si gne d such that the output do e s not flip-flop w i th po w e r s upp l y fl uctuatio ns w i th in this h y steres is w i d t h, preve n ting malfuncti ons d ue to nois e . q1 vr e f r1 r2 r3 v out v dd gn d r l v dd rese t q2 q1 vr e f r1 r2 r3 v out v dd gnd reset v dd v de t + <1 v det v det v op l 0v t phl ?r ?s v out t pl h t phl t pl h ?t ?u v ol v oh ?v fi g.14
technical note 6/8 bu48 g , bu48 f , bu48 fv e, bu49 g , bu49 f , bu49 fve series www .rohm.com 2009.0 6 - rev . c ? 2009 r o hm c o ., lt d. al l ri ght s reserved. ? circ uit a pplic a t ions 1) exam pl es of a common po w e r sup p l y det ection res e t circuit applic atio n e x a m ples of bu4 8 g/ f/fve serie s (open drai n o u tput t y p e ) an d bu49 g/f/ f ve series (cmos output t y pe) are sho w n bel o w . case1:t he pow er supply of the microcontroller (v dd 2) dif f e r s from the po w e r suppl y of the r e set detectio n (v dd 1). use the open drain outp ut t y p e (bu4 8 g/fve) att a ched a l o a d resist anc e (r l ) bet w e e n the output an d v dd 2. (as sho w n f i g.15) case2:t he pow er supply of the microcontroller (v dd 1) is s a me as the po w e r suppl y of the reset detection ( v dd 1). use cmos out put t y p e (bu43 g/f ve) or open dr ain output t y pe (b u48 g/fve) att a ched a l o a d resist ance (r l ) bet w e e n the o u tput and v dd 1. (as sho w n f i g. 16) w hen a ca p a c i t ance c l for n o ise filter ing or setting the output del a y ti me is co nn ected to th e v out pin (th e res e t signa l input terminal of the microcontro ller), pleas e t a ke into acc ount t he w a v e form of the rise an d fall of the output volt a ge (v out). 2) exam pl es of the po w e r su p p l y w i th resisto r dividers in app licati ons w h ere th e p o w e r su ppl y i nput termi nal (vdd) of an i c w i th res i sto r divid e rs, it i s possib l e th a t a throug h-curre n t w ill mom ent a r il y flo w i n to th e circuit w h en the output log i c s w itch es, result ing i n malfunctio n s (such as output osci llato r y st ate). (t hrough-curre nt is a current that moment ari l y flo w s from th e po w e r supp l y (vdd) to grou nd (gnd) w h e n the outp u t le vel s w itc hes from ?high? to ?l o w ? or vice versa.) consi der the u s e of bd48 w h en th e po w e r suppl y i nput it w i th res i stor di viders. f i g.17 v out r2 v dd bu48 bu49 gnd r1 i1 v1 c in c l v dd 1 bu 4 8 v dd2 gn d mi c rocon t r ol l e r r st c l ( c a p ac i t or f or n o is e f i lt e r in g ) r l c in c l (c a p a c i t o r f o r no i s e f i l t er i n g) v dd1 bu 4 9 mi c r o c ontroller r st c in gn d fi g.15 open c o llector outp ut t y pe f i g.16 cmos output t y pe
technical note 7/8 bu48 g , bu48 f , bu48 fv e, bu49 g , bu49 f , bu49 fve series www .rohm.com 2009.0 6 - rev . c ? 2009 r o hm c o ., lt d. al l ri ght s reserved. ? op eratio n no tes 1 . absolute max i mum range absol u te ma xi mum ratings a r e those val ues be yon d w h ic h the life of a dev ice ma y be d e s t ro y e d. w e can not be defi n e d the failure mo de, s u ch as short m ode or o p e n mode. t herefore a ph ysic al sec u rit y co unterm easur e, like fus e , is to be give n w h en a specifi c mode to be b e y on d abso l ute maxim u m rati ngs is cons ider ed. 2 . gnd potenti a l gnd terminal shoul d be a l o w e st vo lt ag e p o tentia l ever y s t ate. pleas e make s u re all pins that are over gro u n d even if inc l ud e transie nt feature. 3 . electrical c h a r acteristics be sure to ch eck the el ectri cal char acteris t ics, that are one the tent ativ e specif ic ation w i ll b e cha n g ed b y temp era t ure, suppl y v o lt ag e, and e x tern al ci rcuit. 4 . b y p a ss cap a citor for noise rejecti o n pleas e put into the to reject noise b e t w ee n v dd pin a nd gnd w i th 1uf o v er and b e t w e en v out pin a n d gnd w i t h 10 00pf . if extremel y b i g cap a citor is us ed, transie nt respons e mi ght b e late. pleas e confirm suf f icie ntl y for the p o i n t. 5 . short circuit bet w e en t e rmi nal a nd sol deri n g don?t sh ort-circuit bet w e en ou tput pin an d v dd pin, output pi n and gnd p i n , or v dd pin an d gnd pin. w h en sol deri ng th e ic on circuit bo ard pl ease is u nusu a ll y ca utio us abo ut the or ient atio n an d the pos ition of t he ic . w hen the orie nt ation is mist aken the i c ma y b e destr o y ed. 6 . electroma gne tic f i eld mal-functio n ma y h a p pen w h e n the devic e is used i n the strong e l ectroma gnetic fie l d. 7 . t he v dd line in ped ance mi ght cause osci llati on bec ause of the detectio n c u rrent. 8. a v dd -gnd cap a citor (as cl o s e conn ection as possi ble) sh ould be use d in high v dd l ine i m ped ance co n d ition. 9 . lo w e r th an the mininum i n p u t volt age m a kes the v out hig h i mped ance, an d it must be v dd in pul l up (v dd ) conditi on. 10. recomme nd ed value of r l r e sist ar is over 1 0 k ? (vdet = 1. 5v~4.8v), over 10 0k ? (vdet = 0.9~1.4v). 1 1 . t h is ic has extremel y hi gh im ped ance termi nals. small l e a k current due t o the uncl e a n n e ss of pcb surface might cau se une xpected op eratio ns. applic ation va lues i n t hese con d itio n s shoul d be sel e cted carefu ll y . if 10m ? leaka ge is assum e d bet w e en the c t terminal an d the gnd terminal, 1m ? con n e ction b e t w ee n the ct termin a l an d the v dd terminal w o ul d be recommen d e d . also, if the lea k age is ass u m ed bet w e en th e v out termina l and the gnd terminal, the p u ll up r e sistor shoul d be l e ss than 1/10 of the assume d lea k resist ance. 12. ex ternal p a ram e ters fo r r l , the recommend ed ra n ge is 10k ? ~1 m ? . t here are man y f a ctors (bo a rd la yo ut, etc) that can af fect characteristics. please verif y a nd confirm us in g practica l app l i cations. 13. po w e r o n reset oper ation pleas e note th at the po w e r o n reset output varies w i th th e vcc rise up time. please ver i fy the actual operation. 14. precauti o n s for board ins pectio n conn ectin g lo w - im pe danc e c a p a citors to ru n insp ections w i t h the bo ard ma y pr od uce s t re ss on the ic. t herefore, be cert ain to use p r oper disc har g e proce dure b e f ore each pr oc ess of the test oper ation. t o prevent elec trost a tic accumulatio n an d dis charg e in the a ssembl y proc e ss, thorough l y grou nd yours el f and an y equi pme n t that could sust a i n esd dama ge, and co ntinu e o b se rvin g esd- p reve ntion pr o c edur es in al l h andi ng, transfe r and stora ge o p e ratio n s. before attempting to connect comp one nt s to the test setup, ma ke cert ain that the po w e r sup p l y is of f . like w i s e , be sure the p o w e r sup p l y is of f before removing an y co mpon ent conn ec ted to the test setup. 15. w hen the po w e r su ppl y , is turned on b e caus e of ince rt ain case s, moment ar y ras h -current flo w i n to the ic at the log i c unsettle d , the coupl e cap a cit a nce, gnd p a ttern of w i d t h a n d lea d in g lin e must be consi d ered.
technical note 8/8 bu48 g , bu48 f , bu48 fv e, bu49 g , bu49 f , bu49 fve series www .rohm.com 2009.0 6 - rev . c ? 2009 r o hm c o ., lt d. al l ri ght s reserved. ? part nu mb er selectio n b u 4 8 0 9 g t r bu48: standard cmos reset ic detection voltage package taping specifications open drain type 09: 0.9v (0.1v step) g: ssop5 embossed taping bu49: s t and ard cmos reset ic 48: 4.8v f : sop4 cmos output t y pe fve: vsof5 (unit : mm) ssop5 2.9 0.2 0.13 4 + 6 ? 4 1.6 2.8 0.2 1.1 0.05 0.05 0.05 + 0.2 ? 0.1 + 0.05 ? 0.03 0.42 + 0.05 ? 0.04 0.95 5 4 12 3 1.25max. 0.2min. 0.1 direction of feed reel ? order quantity needs to be multiple of the minimum quantity. embossed carrier tape tape quantity direction of feed the direction is the 1pin of product is at the upper right when you hold reel on the left hand and you pull out the tape on the right hand 3000pcs tr () 1pin (unit : mm) vsof5 1.2 0.05 4 3 1.0 0.05 1 0.6max 0.22 0.05 0.5 5 1.6 0.05 0.13 0.05 0.2max 2 1.6 0.05 (max 1.28 include burr) direction of feed reel ? order quantity needs to be multiple of the minimum quantity. embossed carrier tape tape quantity direction of feed the direction is the 1pin of product is at the upper right when you hold reel on the left hand and you pull out the tape on the right hand 3000pcs tr () 1pin (unit : mm) sop4 2.1 0.2 0.05 1.3 2.0 0.2 12 43 1.25 +0.2 ?0.1 4 +6 0.27 0.15 ?4 0.13 +0.05 ?0.03 0.9 0.05 0.05 0.05 1.05max. 0.32 +0.05 ?0.04 0.42 +0.05 ?0.04 s 0.1 s direction of feed reel ? order quantity needs to be multiple of the minimum quantity. embossed carrier tape tape quantity direction of feed the direction is the 1pin of product is at the upper right when you hold reel on the left hand and you pull out the tape on the right hand 3000pcs tr () 1pin
r0039 a www .rohm.com ? 2009 rohm co., ltd. all rights reserved. notice rohm customer support system http://www.rohm.com/contact/ thank you for your accessing to rohm pr oduct informations. mor e detail pr oduct informations and catalogs ar e available, please contact us. notes n o c o p y i n g o r r e p r o d u c t i o n o f t h i s d o c u m e n t , i n p a r t o r i n w h o l e , i s p e r m i t t e d w i t h o u t t h e consen t o f r o h m co . , l t d . t h e c o n t e n t s p e c i fi e d h e r e i n i s s u b j e c t to c h a n g e f o r i m p r ove m e n t w i t h o u t n o t i c e . t h e c o n t e n t s p e c i fi e d h e r e i n i s f o r t h e p u r p o s e o f i n t r o d u c i n g r o h m ' s p r o d u c t s ( h e r e i n a f t e r "pr o d u c t s ") . i f yo u w i s h to u s e a n y s u c h pr o d u c t , p l e a s e b e s u r e to r e fe r to t h e s p e c i fi c a t i o n s , w h i c h c a n b e o b t a i n e d f r o m r o h m u p o n r e q u e s t . e x a m p l e s o f a p p l i c a t i o n c i r c u i t s , c i r c u i t c o n s t a n t s a n d a n y o t h e r i n f o r m a t i o n c o n t a i n e d h e r e i n i l l u s t r a te t h e s t a n d a r d u s a g e a n d o p e r a t i o n s o f t h e pr o d u c t s . t h e p e r i p h e r a l c o n d i t i o n s m u s t b e t a k e n i n t o a c c o u n t w h e n d e s i g n i n g c i r c u i t s f o r m a s s p r o d u c t i o n . g r e a t c a r e wa s t a k e n i n e n s u r i n g t h e a c c u r a c y o f t h e i n f o r m a t i o n s p e c i fi e d i n t h i s d o c u m e n t . ho w e v e r , s hould y ou incur a n y da mage a r ising f r om a n y inac cur acy o r misp r int of su ch i n f o r m a t i o n, r o h m s h a l l b e a r n o r e s p o n s i b i l i t y f o r s u c h d a m a g e . t h e te c h n i c a l i n f o r m a t i o n s p e c i fi e d h e r e i n i s i n t e n d e d o n l y to s h ow t h e t y p i c a l f u n c t i o n s o f a n d e x ample s o f appl icat ion circuits f o r t h e p r oduc ts. rohm doe s no t grant y o u , e x pl icit ly or i m p l i c i t l y , a n y l i c e n s e to u s e o r ex e r c i s e i n te l l e c t u a l p r o p e r t y o r o t h e r r i g h t s h e l d by r o h m a n d o t h e r p a r t i e s . r o h m s h a l l b e a r n o r e s p o n s i b i l i t y w h a t s o eve r f o r a n y d i s p u te a r i s i n g f r o m t h e u s e o f s u c h te c h n i c a l i n f o r m a t i o n. t h e pr o d u c t s s p e c i fi e d i n t h i s d o c u m e n t a r e i n t e n d e d to b e u s e d w i t h g e n e r a l - u s e e l e c t r o n i c eq u i pm en t or d e v i ces ( s uch as a u d i o v i s u al eq u i pm en t , o f fice - a u t o ma t i on eq u i pm en t , comm u- n i c a t i o n d e v i c e s , e l e c t r o n i c a p p l i a n c e s a n d a m u s e m e n t d e v i c e s ) . t h e pr o d u c t s s p e c i fi e d i n t h i s d o c u m e n t a r e n o t d e s i g n e d to b e r a d i a t i o n to l e r a n t . w h i l e r o h m a l way s m a k e s e f f o r t s to e n h a n c e t h e q u a l i t y a n d r e l i a b i l i t y o f i t s pr o d u c t s , a pr o d u c t m ay f a i l o r m a l f u n c t i o n f o r a va r i e t y o f r e a s o n s . pl e a s e b e s u r e to i m p l e m e n t i n yo u r e q u i p m e n t u s i n g t h e pr o d u c t s s a fe t y m e a s u r e s to g u a r d a g a i n s t t h e p o s s i b i l i t y o f p h y s i c a l i n j u r y , fi r e o r a n y o t h e r d a m a g e c a u s e d i n t h e eve n t o f t h e f a i l u r e o f a n y pr o d u c t , s u c h a s d e r a t i n g , r e d u n d a n c y , fi r e c o n t r o l a n d f a i l - s a f e d e s i g n s . r o h m s h a l l b e a r n o r e s p o n s i b i l i t y w h a t s o eve r f o r yo u r u s e o f a n y pr o d u c t o u t s i d e o f t h e p r e s c r i b e d s c o p e o r n o t i n a c c o r d a n c e w i t h t h e i n s t r u c t i o n m a n u a l . t h e p r o d u c t s a r e n o t d e s i g n e d o r m a n u f a c t u r e d t o b e u s e d w i t h a n y e q u i p m e n t , d e v i c e o r sy s t e m w h i c h r e q u i r e s a n ex t r e m e l y h i g h l e ve l o f r e l i a b i l i t y t h e f a i l u r e o r m a l f u n c t i o n o f w h i c h m ay r e s u l t i n a d i r e c t t h r e a t to h u m a n l i fe o r c r e a te a r i s k o f h u m a n i n j u r y ( s u c h a s a m e d i c a l i n s t r u m e n t , t r a n s p o r t a t i o n e q u i p m e n t , a e r o s p a c e m a c h i n e r y , n u c l e a r - r e a c t o r c o n t r o l l e r , f u e l - c o n t r o l l e r o r o t h e r s a fe t y d e v i c e ) . r o h m s h a l l b e a r n o r e s p o n s i b i l i t y i n a n y way f o r u s e o f a n y o f t h e pr o d u c t s f o r t h e a b ove s p e c i a l p u r p o s e s . i f a pr o d u c t i s i n t e n d e d to b e u s e d f o r a n y s u c h s p e c i a l p u r p o s e , p l e a s e c o n t a c t a r o h m s a l e s r e p r e s e n t a t i ve b e f o r e p u r c h a s i n g. i f yo u i n te n d to ex p o r t o r s h i p ove r s e a s a n y pr o d u c t o r te c h n o l o g y s p e c i fi e d h e r e i n t h a t m ay b e c o n t r o l l e d u n d e r t h e fo r e i g n e x c h a n g e a n d t h e fo r e i g n t r a d e l a w , yo u w i l l b e r e q u i r e d to o b t a i n a l i c e n s e o r p e r m i t u n d e r t h e l a w .
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