applications all microprocessor applications where an automatic restart is required: n computer electronics white / brown goodsautomotive electronics industrial electronics n nn n t elecom systems n hand-held systems features n clear microprocessor restart after power up low power consumption: typ. 3 m a at v = 5 v dd - 40 to +85 temperature range on request extended temperature range, -40 to +125 on-chip oscillatorno external components required push-pull or open drain output n processor reset at power down n reset output guaranteed down to v = 1 v dd n o n c o n c nn n n to-92, sot -23 5l packages n pin compatible with ds 1233 a in to-92 description the V6301 is a cmos device which monitors the supply voltage of any electronic system, and generates the appropriate reset signal. the thres hold defines the minimum allowed voltage which guarantees the good functionality of the system. as long as v stays upside this voltage level, the output stays inactive. dd if v drops below v , the output gets active. when v rises dd th dd above v , the output remains active for an additional 290 ms th (typ.). this al lows the system to stabilize before getting fully active. the threshold v oltage may be obtained in differ ent versions: 2.0 v, 2.4 v , 2.8 v , 3.5 v , 4.0 v , 4.5 v . ultra low power 3-pin v oltage surveillance with time-out pin assignment to-92 fig. 2 v dd v ss 1 2 3 re s or re s V6301 view flat front nc 1 2 4 v ss re s o r re s V6301 3 v dd sot -23 5l nc 5 t ypical operating configuration v dd v dd v ss res or res V6301 gnd micro- processor fig. 1 v dd v ss res or res for open drain version: 1 em microelectronic-marin sa V6301 r
handling procedures stresses above these listed maximum ratings may cause permanent damage to the device. exposure beyond specified operating conditions may affect device reliability or cause malfunction. 1) the maximum operating temperature is confirmed by sampling at initial device qualification. 2 absolute maximum ratings t able 1 parameter voltage at v to v dd ss min. voltage at res or res max. voltage at res or resstorage temperature range v dd v min v max t sto -0.3v to+10 v v - 0.3 v ss -65 to +150 o o c v + 0.3 v dd symbol conditions this device has built-in protection against high static voltages or electric fields; however, anti-static precautions must be taken as for any other cmos component. unless otherwise specified, proper operation can only occur when all terminal voltages are kept within the supply voltage range. operating conditions t a -40 1 +125 o c v 8 v dd t able 2 parameter symbol min. typ . max. units 1) operating temperature positive supply voltage electrical characteristics o t = -40 to +85 c, unless otherwise specified a 1) res or res open 2) only for open drain versions i dd v th v th v hys v ol v ol v ol v oh v oh i leak v = 2 v dd v = 5 v , i = 8 ma ol dd v = 8 v dd 1) supply current threshold voltage threshold hysteresis res output low level res output high level 2) output leakage current m a m a m a v v v v v v mv mv mv mv v v mv m a parameter symbol t est conditions min. typ. max. units i dd v = 5 v dd v = 8 v dd version: a,g,m version: b,h,n version: c,i,o version: d,j,p version: e,k,q version: f ,l,r i dd v th v th max. o at 25 c min. o at 25 c v th v th v oh v = 3 v , i = 4 ma dd ol v = 1 v , i = 50 m a dd ol v = 5 v , i = -8 ma dd oh v = 3 v , i = -4 ma dd oh v = 1 v , i = -100 m a dd oh 1.77 2.09 2.48 3.11 3.55 4.05 4.3 2.3 850 1.84 2.18 2.59 3.23 3.70 4.22 1.5 3.0 5.2 1.95 2.32 2.73 3.42 3.88 4.42 25 175 140 20 4.5 2.6 950 0.05 2.1 3.9 6.8 2.04 2.41 2.86 3.59 4.08 4.67 3.1 5.7 10.0 2.17 2.55 3.03 3.80 4.32 4.95 400 300 90 1 t able 3 timing characteristics o v = 5.0 v , t = -40 to +85 c, unless otherwise specified dd a t por t sen for v = 5 v to 3 v in 5 m s dd 140 2022 power on reset time 3) sensitivity ms m s m s t able 4 parameter symbol t est conditions min. typ. max. units 3) reaction time t r 3) t ested on versions with v higher than 3 v th for v = 5 v to 3 v in 5 m s dd 290 0.8 t r 75 560 150 V6301 r
3 pin description to-92 t able 5 pin 1 23 v dd res or res v ss positive supply reset output supply ground name function sot -23 5l t able 6 pin 1 2 3 4 5 nc v ss nc res or res v dd no connection supply ground no connection reset output positive supply name function timing waveforms v dd v th t sen 1 v logic ?1? t por t r t por fig.3 res res t t t logic ?1? logic ?0? logic ?0? block diagram fig.4 res or res v dd v ss volt ag e re fer en ce - + reset logic oscillator timer V6301 r
4 ordering information the V6301 is available with push-pull or open output stage and reset active low or high. ordering form: V6301 < packaging>example: smart reset with: - reset active low - open drain output - 2.8 v threshold - to-92 package V6301 o to-92 when ordering, please specify the complete part number. version letter definition output stage threshold voltage [v] 2.0 2.4 2.8 3.5 4.0 4.5 1 ) push-pull, reset active low a b c d e f 1) 1) push-pull, reset active high g h i j k l 1) 1) 1) open drain, reset active low m n o p q r t able 7 chip form and sot -223 on request 1) non-stock items, minimum order 30 k pieces. V6301 r em microelectronic-marin sa cannot assume responsibility for use of any circuitry described other than circuitry entirely embodied in an em microelectronic-marin sa product. em microelectronic-marin sa reserves the right to change the circuitry and specifications without notice at any time. you are strongly urged to ensure that the information given has not been superseded by a more up-to-date 2000 em microelectronic-marin sa,10/00, rev. b/316
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