technical data INA3010 infrared remote control transmitter rc-5 ordering information INA3010n pl ast i c INA3010dw soic t a = -25 to 8 5 c for all packages . the INA3010 i s i n t e nded as a general purpose (r c - 5) i n frared rem o t e cont rol sy st em for use where a l o w vol t a ge suppl y and a l a rge debounce t i m e are expect ed. the devi ce can generat e 2048 di fferent com m a nds and utilizes a keyboard with a single pole switch for each key. the com m a nd are arranged so that 32 system s can be addressed, each sy st em cont ai ni ng 64 di fferent com m a nds. the key board i n t e rconnect i on is illu strated b y fig . 1 . ? low vol t a ge requi rem e nt ? sin g l e p i n o s cillato r ? b i phase t r ansm i ssi on t echni que ? test m o d e facility block diagram pin assignment 1
INA3010 pin description pin no designation description 1 x7 (ipu) sense i nput from key m a t r i x 2 ssm (i) sy st em m ode sel ect i on i nput 3-6 z0-z3 (ipu) sense i nput s from key m a t r i x 7 m d a t a ( o p 3 ) generate d output data m odulated with 1/2 the oscillator frequency at a 25% dut y fact or 8 data (op3) generat e d out put i n form at i on 9-13 dr7-dr3 (odn) scan drivers 1 4 g n d g r o u n d ( 0 v ) 15-17 dr2-dr0 (odn) scan drivers 18 osc (i) oscillator input 19 tp2 (i) test point 2 20 tp1 (i) test point 1 21-27 x0-x6 (ipu) sense i nput s from key m a t r i x 28 vcc (i) vol t a ge suppl y (i) = i nput (ipu) = i nput wi t h p-channel pul l - up t r ansi st or (odn) = output with open dr ain n-channel transistor (op3) = out put 3-st at e functional description keyboard operati on every connection of one x-input and one dr-output will be recognized as a legal key operation and will cause the devi ce t o generat e t h e correspondi ng code. the sam e appl i e s t o every connect i on of one z-i nput t o one dr -out put wi t h t h e provi so t h at ssm m u st be low . w h en ssm i s high a wi red connect i on m u st exi s t bet w een a z-i nput and dr - output. if no connection is present the syst em num ber will not be generated. activ ating two or m o re x-inputs, z-inputs or z-inputs and x-inputs at the sam e tim e is an illegal acti on and inhibits further activity (oscillator will not start). w h en one x- or z-input is connected to m o re than one dr -output, the last scan signal will be considered as legal. the m a xi m u m val u e of t h e cont act seri es resi st ance of t h e swi t c hed key board i s 7k ? . inputs in t h e qui escent st at e t h e com m a nd i nput s x0 t o x7 are hel d high by an i n t e rnal pul l - up t r ansi st or. w h en t h e sy st em m ode sel ect i on (ssm ) i nput i s low and t h e sy st em i s qui escent , t h e sy st em i nput s z0 t o z3 are al so hel d high by an i n t e rnal pul l - up t r ansi st or. w h en ssm i s high t h e pul l - up t r ansi st or for t h e z-i nput s i s swi t c hed off, i n order t o prevent current fl ow, and a wi red connect i on i n t h e z-dr m a t r i x provi des t h e sy st em num ber. outputs the output signal data transm its the gene rated inform ation in accordance with the form at illustrated by fig.2 and tab l es 1 an d 2 . th e co d e is tran sm itted u s in g a b i p h a se tech n i q u e as illu strated b y fig . 3 . th e co d e co n s ists o f fo u r part s: ? st art part - 1.5 bi t s (2 x l ogi c 1) ? c ont rol part - 1 bi t ? sy st em part - 5 bi t s ? c o m m a nd part - 6 bi t s the output signal mdata transm its the ge nerated inform ation m odul ated by 1/12 of the oscillator frequency with a 50% dut y fact or. in t h e qui escent st at e bot h data and m data are non-conduct i ng (3-st a t e out put s). the scan dri v er out put s dr 0 t o dr 7 are open drai n n-channel t r ansi st ors and conduct when t h e ci rcui t i s qui escent . aft e r a l e gal key operat i on t h e scanni ng cy cl e i s st art e d and t h e out put s swi t c hed t o t h e conduct i v e st at e one by one. the dr-outputs were switched off at th e end of the preceding debounce cycle. 2
INA3010 table 1 com m a nd m a trix (x-dr) co d e x - l i n e s dr-lin e s co m m a n d b i t s n o . 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 5 4 3 2 1 0 0 x x 0 0 0 0 0 0 1 x x 0 0 0 0 0 1 2 x x 0 0 0 0 1 0 3 x x 0 0 0 0 1 1 4 x x 0 0 0 1 0 0 5 x x 0 0 0 1 0 1 6 x x 0 0 0 1 1 0 7 x x 0 0 0 1 1 1 8 x x 0 0 1 0 0 0 9 x x 0 0 1 0 0 1 1 0 x x 0 0 1 0 1 0 1 1 x x 0 0 1 0 1 1 1 2 x x 0 0 1 1 0 0 1 3 x x 0 0 1 1 0 1 1 4 x x 0 0 1 1 1 0 1 5 x x 0 0 1 1 1 1 1 6 x x 0 1 0 0 0 0 1 7 x x 0 1 0 0 0 1 1 8 x x 0 1 0 0 1 0 1 9 x x 0 1 0 0 1 1 2 0 x x 0 1 0 1 0 0 2 1 x x 0 1 0 1 0 1 2 2 x x 0 1 0 1 1 0 2 3 x x 0 1 0 1 1 1 2 4 x x 0 1 1 0 0 0 2 5 x x 0 1 1 0 0 1 2 6 x x 0 1 1 0 1 0 2 7 x x 0 1 1 0 1 1 2 8 x x 0 1 1 1 0 0 2 9 x x 0 1 1 1 0 1 3 0 x x 0 1 1 1 1 0 3 1 x x 0 1 1 1 1 1 3 2 x x 1 0 0 0 0 0 3 3 x x 1 0 0 0 0 1 3 4 x x 1 0 0 0 1 0 3 5 x x 1 0 0 0 1 1 3 6 x x 1 0 0 1 0 0 3 7 x x 1 0 0 1 0 1 3 8 x x 1 0 0 1 1 0 3 9 x x 1 0 0 1 1 1 4 0 x x 1 0 1 0 0 0 4 1 x x 1 0 1 0 0 1 4 2 x x 1 0 1 0 1 0 4 3 x x 1 0 1 0 1 1 4 4 x x 1 0 1 1 0 0 4 5 x x 1 0 1 1 0 1 4 6 x x 1 0 1 1 1 0 4 7 x x 1 0 1 1 1 1 4 8 x x 1 1 0 0 0 0 3
INA3010 table 1 com m a nd m a trix (x-dr) (continued) co d e x - l i n e s dr-lin e s co m m a n d b i t s n o . 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 5 4 3 2 1 0 4 9 x x 1 1 0 0 0 1 5 0 x x 1 1 0 0 1 0 5 1 x x 1 1 0 0 1 1 5 2 x x 1 1 0 1 0 0 5 3 x x 1 1 0 1 0 1 5 4 x x 1 1 0 1 1 0 5 5 x x 1 1 0 1 1 1 5 6 x x 1 1 1 0 0 0 5 7 x x 1 1 1 0 0 1 5 8 x x 1 1 1 0 1 0 5 9 x x 1 1 1 0 1 1 6 0 x x 1 1 1 1 0 0 6 1 x x 1 1 1 1 0 1 6 2 x x 1 1 1 1 1 0 6 3 x x 1 1 1 1 1 1 table 2 system m a trix (z-dr) co d e x - l i n e s dr-lin e s system b i t s n o . 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 4 3 2 1 0 0 x x 0 0 0 0 0 1 x x 0 0 0 0 1 2 x x 0 0 0 1 0 3 x x 0 0 0 1 1 4 x x 0 0 1 0 0 5 x x 0 0 1 0 1 6 x x 0 0 1 1 0 7 x x 0 0 1 1 1 8 x x 0 1 0 0 0 9 x x 0 1 0 0 1 1 0 x x 0 1 0 1 0 1 1 x x 0 1 0 1 1 1 2 x x 0 1 1 0 0 1 3 x x 0 1 1 0 1 1 4 x x 0 1 1 1 0 1 5 x x 0 1 1 1 1 1 6 x x 1 0 0 0 0 1 7 x x 1 0 0 0 1 1 8 x x 1 0 0 1 0 1 9 x x 1 0 0 1 1 2 0 x x 1 0 1 0 0 2 1 x x 1 0 1 0 1 2 2 x x 1 0 1 1 0 2 3 x x 1 0 1 1 1 2 4 x x 1 1 0 0 0 2 5 x x 1 1 0 0 1 2 6 x x 1 1 0 1 0 2 7 x x 1 1 0 1 1 2 8 x x 1 1 1 0 0 2 9 x x 1 1 1 0 1 3 0 x x 1 1 1 1 0 3 1 x x 1 1 1 1 1 4
INA3010 maximum ratings * sym b o l p a r a m e t e r valu e un i t v cc dc suppl y vol t a ge (referenced t o gnd) -0.5 t o +8.5 v v in dc input vol t a ge (referenced t o gnd)* -0.5 t o v cc +0.5 v v out dc output voltage (referenced to gnd)* -0.5 to v cc +0.5 v i in dc input c u rrent 10 ma i out dc out put c u rrent 10 ma p do p do m a xi m u m power di ssi pat i on osc out put ot her out put s 50 100 mw mw p d power dissipation in still air 200 m w tst g st orage tem p erat ure -65 t o +150 c *v cc + 0.5 m u st not exceeed 9.0v.. * m a xi m u m r a t i ngs are t hose val u es bey ond whi c h dam a ge t o t h e devi ce m a y occur. functional operation should be restricted to the reco m m e nded operating conditions. +derat i ng - pl ast i c dip: - 10 m w / c from 65 to 8 5 c soic package: : - 7 m w / c from 65 to 8 5 c recommended operating conditions sy m bol p a r a m e t e r m i n m a x uni t v cc dc suppl y vol t a ge (reference t o gnd) 2.0 7.0 v v ih dc input vol t a ge (high) 0.7v cc v cc v v il dc input vol t a ge (low ) 0 0.3v cc v v out dc output voltage (m data, data) - 7.0 v i in dc input c u rrent - 1 0 m a i ol dc output current (low ) - pi n s 7 , 8 0 . 6 m a pi ns 9-13; 15-17 0.3 i oh dc output current (m data, data) - - 0 . 4 m a t a operating tem p erature, all package types - 2 5 8 5 o c thi s devi ce cont ai ns prot ect i on ci rcui t r y t o guard agai ns t dam a ge due t o hi gh st at i c vol t a ges or el ect ri c fi el ds. however, precautions m u st be taken to avoid applications of any voltage highe r than m a xim u m rated voltages to this hi gh-i m pedance ci rcui t . for proper operat i on, v in and v out shoul d be const r ai ned t o t h e range gnd (v in or v out ) v cc . unused i nput s m u st al way s be t i e d t o an appropri a t e l ogi c vol t a ge l e vel (e.g., ei t h er gnd or v cc ). unused out put s m u st be l e ft open. 5
INA3010 dc electrical characteristics (voltage reference to gnd) (v cc = 2.0 t o 7.0v unl ess ot herwi s e speci fi ed, t a =-25 to +70 c) g u a r a n t e e d lim i t s sy m bol p a r a m e t e r test c ondi t i o n s m i n m a x uni t i cc qui s cent suppl y current u il =0b; v ih =v cc i out =0 m a at al l out put s 4 0 a inputs i in input current pi ns 01, 03-06; 21-27 v il = 0 v -10 -600 a p i n 1 8 v il =0v; v ih =v cc 3 . 0 3 3 i li input l eakage current pi ns 01-06; 19-27 v il =0v; v ih =v cc - 10 a p i n 1 8 - - 2 0 outputs v oh out put vol t a ge high, pi ns 07-08 i oh =-0.4m a v il =0.3 v cc v cc - 0 . 3 - v v ol out put vol t a ge low pi ns 07-08 i ol =0.6m a v il =0v, v hi =0.7v cc - 0 . 3 v pi ns 9-13; 15-17 i ol =0.3m a , v il =0v, v ih =0.7v cc - 0 . 3 v i lo output leakage current v o =v cc , v ih =v cc , v oh =v cc - 1 0 a pi ns 07-13; 15-17 - i lo output leakage current v o =0v, v ih =v cc , v ol = 0 v - - 2 0 a p i ns 0 7 - 0 8 - i oh dc out put c u rrent pi ns 9-13; 15-17 v il =0v; v ih =v cc ; v oh =v cc 1 0 a ac electrical characteristics t a =-25 to +85 c; v cc =2.0 t o 7.0 v unl ess ot herwi s e speci fi ed sy m bol param e t e r test c ondi t i on guarant eed li m i t s ty p m a x uni t o s c i l l a t o r freq u e n c y c l = 1 6 0 p f f osc operat i onal 4 3 2 4 5 0 k h z 6
INA3010 figure 1. keyboard interconnection 7
INA3010 w h ere: debounce t i m e+scan t i m e=18 bi t - t e m e s repetition tim e=4x16 bit tim es figure 2. data output format w h ere: 1 b it-tim e=3 . 2 8 x t osc =1.778 m s (t y p .) figure 3. biphase transmission technique 8
INA3010 n s u f f i x p l as t i c d i p (m s - 0 0 1 a b ) sy m b o l m i n m a x a 3 5. 1 3 9. 7 b 1 2. 32 1 4 . 7 3 c6 d 0 .3 6 0 .5 6 f 0 .7 7 1 .7 8 g h j0 10 k 2 .9 2 5 .0 8 no t e s : l 1 5. 24 1 5 . 8 7 1. d i m e n s i o n s ?a ?, ?b ? d o n o t i n cl u d e m o l d f l as h o r p r o t r u s i o n s . m 0 . 2 0. 38 m a x i m u m m o l d f l a s h o r p r o t r u s i o n s 0. 25 m m ( 0 . 010) p e r s i d e . n0 . 3 8 d su f f i x so i c (m s - 0 5 9 a d) sy m b o l m i n m a x a 1 7. 7 1 8. 5 b 8 .2 3 8 .9 c 2 .3 5 3 .0 5 d 0 .3 5 0 .5 f 0 . 4 1. 27 g h no t e s : j0 8 1. d i m e ns i o ns a a n d b d o no t i n c l ud e m o l d f l a s h o r p r ot r u s i o n . k 0 .0 5 0 .3 5 2. m a x i m u m m o l d f l a s h o r p r o t r u s i o n 0. 15 m m ( 0 . 006) p e r s i d e m 0 .1 4 0 .3 2 fo r a ; fo r b ? 0. 25 m m ( 0 . 010) p e r s i d e . p 1 1. 5 1 2. 7 r 0 .2 5 0 .7 5 11 . 4 3 d i me n s i o n , mm d i me n s i o n , mm 2. 54 15 . 2 4 1. 27 . 3 5 a b c k c m j f m p h g d r x 45 se a t i n g pl a n e 0.2 5 (0. 0 10) m t -t - 1 28 14 15 l h m j a b f g d se a t i n g pl a n e n k 0.2 5 ( 0 . 010) m t -t - c 1 28 14 15 9
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