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[???3??w? tx?3tw????]b;<^m{ x x x n b y j n j d d p n ????3??tgl^?ho0xz?t???3tw?s???3????`h?wpb{?t?? \a? t|??t mmow yx ?mtv?b{ y?so0wrtx?3tw?w???3???]? <^m{ ________________________________________________________________ maxim integrated products 1 ?a ___________________________________ . " 9 ? . " 9 xz????3aw?o t|???w?^?1b??? ? 1 1s?????pb{\??w?? xz?3 ?z|?????t| m2 q ??? z? . p u p s p m b ) $ s w?s? dtz ?????t|??????;? ?qom ?b{??w;tmmoxz h ?r??i?? `oxi^m{ . " 9 ? . " 9 xz?t 7 $ $ wo m2w?ai?1b??ot ?-^?om?b{ ???xz 7?pw 7 $ $ t0`o? q?- a`om?b{ \??w??xz zyt?????`h w ????3????y n 7o?p 7? 7 u?^?os?z mw7 ???|?????? ??8 n t? t t| mw????? ????8 n t? t ???q`?b{ a j???x k?z xo?p? pv?b h a j???iw ? {? x o?w???t`oxzsedxi^m{ . " 9 ? . " 9 x ? e? 4 0 5 ?-? p?^?om?b{ ??-?3?? _______________________ ????e?? ?e?? ???? ??a???;+ ??? ?a???;+ ?? m?3a ?? ___________________________________ ? e? 4 0 5 ?-? w?3????yp? n 7o?p 7? 7 mw???????8 n tz n tz n tz t n j o mw?????????8 n tz n tz tz t u z q mw??? z?? ??a???z?3 ? ??a??z?3 ? ??a??z|????? ??a??z m2 7 $ $ 7?p???w? q?- a ymom2w 7 $ $ ait0b?1 q ?a ? ?????s` max6316?ax6322 e? 11s? ?????t|?????? ? 19-0496; rev 4; 11/99 jx???3??w7?tv?b{ ??a?? |????? max6316l max6316m max6317h max6321hp max6318lh max6318mh max6319lh max6319mh max6320p ??a?? ?3 ? ??a??? ?3 ? ??a?? m2 j ????? ?? ??? ??? ?? max6322hp ??? z? * * the max6318/max6319/max6321/max6322 feature two types of reset output on each device. a j?^s?t|e? ?xz???3??w7?tgl^? om?b{ part max6316 luk____-t max6316muk ____-t -40 c to +85 c -40? to +85? temp. range pin-package 5 sot23-5 5 sot23-5 j ___________________________________ max6317 huk____-t -40? to +85? 5 sot23-5 max6318 huk____-t -40? to +85? 5 sot23-5 max6318mhuk ____-t -40 c to +85 c 5 so t23-5 ?r?? ________________________________________________________________________ electrical characteristics (v cc = 2.5v to 5.5v, t a = 0? to +70?, unless otherwise noted. typical values are at t a = +25?.) (note 1) max6316?ax6322 e? 11s? ?????t|?????? ? 2 _______________________________________________________________________________________ absolute maximum ratings stresses beyond those listed under ?bsolute maximum ratings?may cause permanent damage to the device. these are stress rating s only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specificatio ns is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. voltage (with respect to gnd) v cc ......................................................................-0.3v to +6v reset (max6320/max6321/max6322 only)...... -0.3v to +6v all other pins.........................................-0.3v to (v cc + 0.3v) input/output current, all pins .............................................20ma continuous power dissipation (t a = +70?) sot23-5 (derate 7.1mw/? above +70?)...............571mw operating temperature range ...............................0? to +70? junction temperature ......................................................+150? storage temperature range..............................-65? to +160? lead temperature (soldering, 10sec)..............................+300? v cc - 1.5 0.8 x v cc v oh 0.4 0.3 0.3 v 0.3 v ol reset output voltage ? 40 t rd v cc to reset delay 1120 1600 2240 140 200 280 20 28 40 ms 1 1.4 2 t rp reset active timeout period mv 3 reset threshold hysteresis v 1 5.5 v cc operating voltage range v th -2.5% v th v th +2.5% v v th -1.5% v th v th +1.5% v rst reset threshold (note 2) ppm/? 40 ? v th /? reset threshold temperature coefficient units min typ max symbol parameter v cc 4.5v, i source = 800? v cc 2.7v, i source = 500? v cc 4.5v, i sink = 3.2ma v cc 2.7v, i sink = 1.2ma v cc 1.2v, i sink = 100? v cc 1.0v, i sink = 50? t a = 0? to +70? v cc falling at 1mv/? max63_ _d_-t t a = 0? to +70? t a = +25? max63_ _c_-t max63_ _b_-t max63_ _a_-t conditions v 0.3 v ol reset output voltage v cc 2.7v, i sink = 1.2ma 0.4 v cc 4.5v, i sink = 3.2ma 0.8 x v cc v oh v cc 1.8v, i source = 150? 0.8 x v cc v cc 2.7v, i source = 500? v cc - 1.5 v cc 4.5v, i source = 800? note 1: over-temperature limits are guaranteed by design, not production tested. note 2: a factory-trimmed voltage divider programs the nominal reset threshold (v th ). factory-trimmed reset thresholds are available in 100mv increments from 2.5v to 5v (see table 1 at end of data sheet). max6316/max6317/max6318/ max6320/max6321: mr and wdi unconnected ? 10 20 i cc supply current v cc = 5.5v 512 v cc = 3.6v max6319/max6322: mr unconnected 512 v cc = 5.5v 38 v cc = 3.6v push/pull reset output (max6316l/max6317h/max6318_h/max6319_h/max6321hp/max6322hp) max6316?ax6322 e? 11s? ?????t|?????? ? _______________________________________________________________________________________ 3 note 3: this is the minimum time reset must be held low by an external pull-down source to set the active pull-up flip-flop. note 4: measured from reset v ol to (0.8 x v cc ), r load = . note 5: wdi is internally serviced within the watchdog period if wdi is left unconnected. note 6: the wdi input current is specified as the average input current when the wdi input is driven high or low. the wdi input is designed for a three-stated-output device with a 10? maximum leakage current and capable of driving a maximum capaci- tive load of 200pf. the three-state device must be able to source and sink at least 200? when active. ? 1.0 i lkg open-drain reset output leakage current ns 400 t s transition flip-flop setup time 333 ns 333 t r reset output rise time (note 4) units min typ max symbol parameter (note 3) v cc = 5.0v, c l = 200pf v cc = 3.0v, c l = 120pf conditions electrical characteristics (continued) (v cc = 2.5v to 5.5v, t a = 0? to +70?, unless otherwise noted. typical values are at t a = +25?.) (note 1) 666 666 v cc = 5.0v, c l = 400pf v cc = 3.0v, c l = 250pf v 0.4 0.65 v pth active pull-up enable threshold v cc = 5.0v ma 20 reset active pull-up current v cc = 5.0v k ? 4.2 4.7 5.2 reset pull-up resistance v 0.3 v ol reset output voltage v cc 1.0v, i sink = 50? 0.3 v cc 1.2v, i sink = 100? 0.3 v cc 2.7v, i sink = 1.2ma 0.4 v cc 4.5v, i sink = 3.2ma ms 4.3 6.3 9.3 t wd watchdog timeout period max63_ _ _ w-t 71 102 153 max63_ _ _ x-t sec 1.12 1.6 2.4 max63_ _ _ y-t 17.9 25.6 38.4 max63_ _ _ z-t ns 50 t wdi wdi pulse width v il = 0.3 x v cc , v ih = 0.7 x v cc v 0.3 x v cc v il wdi input threshold (note 5) 0.7 x v cc 120 160 i wdi wdi input current (note 6) wdi = v cc , time average -20 -15 v wdi = 0, time average v ih v 0.8 v il mr input threshold v th > 4.0v 2.0 v ih 0.3 x v cc v il v th < 4.0v 0.7 x v cc v ih ? 1 mr input pulse width ns 100 mr glitch rejection k ? 35 52 75 mr pull-up resistance ns 230 mr to reset delay v cc = 5v ? bidirectional r r e e s s e e t t output (max6316m/max6318mh/max6319mh) open-drain r r e e s s e e t t output (max6320p/max6321hp/max6322hp) watchdog input (max6316/max6317h/max6318_h/max6320p/max6321hp) manual-reset input (max6316_/max6317h/max6319_h/max6320p/max6322hp) max6316?ax6322 e? 11s? ?????t|?????? ? 4 _______________________________________________________________________________________ a j?^? q ______________________________________________________________________ (t a = +25?, unless otherwise noted.) 0 2 1 4 3 8 7 6 5 10 9 -40 0 20 -20 406080100 max6316/max6317/max6318/max6320/max6321 supply current vs. temperature max6316toc01 temperature ( c) supply current ( a) v cc = 5v v cc = 3v v cc = 1v 0 30 20 10 50 40 90 80 70 60 100 -40-200 20406080100 v cc falling to reset propagation delay vs. temperature max6316toc02 temperature ( c) reset propagation delay ( s) v cc falling at 1mv/ s v rst - v cc = 100mv 140 180 160 240 220 200 300 280 260 320 -40 0 20 -20 40 60 80 100 max6316/max6317/max6319/max6320/max6322 manual reset to reset propagation delay vs. temperature max6316toc03 temperature ( c) propagation delay (ns) v cc = 5v 0.95 0.98 0.97 0.96 1.00 0.99 1.04 1.03 1.02 1.01 1.05 -40 -20 0 20 40 60 80 100 normalized reset timeout period vs. temperature max6316toc04 temperature ( c) normalized reset timeout period 0.95 0.98 0.97 0.96 1.00 0.99 1.04 1.03 1.02 1.01 1.05 -40 -20 0 20 40 60 80 100 max6316/max6317/max6318/max6320/max6321 normalized watchdog timeout period vs. temperature max6316toc05 temperature ( c) normalized watchdog timeout period 80 0 10 100 1000 maximum v cc transient duration vs. reset threshold overdrive 20 10 max6316toc06 reset threshold overdrive (mv) v rst - v cc transient duration ( s) 30 50 60 40 70 v rst = 3.3v v rst = 4.63v v rst = 2.63v reset occurs above lines passive 4.7k ? pullup 2v/div reset, active pullup 2v/div reset input 5v/div 200ns/div max6316m/6318mh/6319mh bidirectional pullup characteristics max6316toc07 100pf 4.7k ? +5v 74hc05 74hc05 v cc gnd mr 100pf input input +5v reset max6316?ax6322 e? 11s? ?????t|?????? ? _______________________________________________________________________________________ 5 z? ? ___________________________________________________________________________ 1 1 . 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