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smartswitch ? AAT3510/1/2/3/4/5/6/7/8/9 micropower p reset with watchdog timer 3510.2006.03.1.7 1 general description the aat351x powermanager products are mem- bers of analogictech's total power management ic? (tpmic?) product family. this family of microprocessor reset circuits provides the ultimate in versatility, allowing system designers full cus- tomization of the p monitor and reset function without any additional components. the aat351x family offers several combinations of threshold voltage, watchdog timeout period, reset active peri- od, and output drive configurations, which are all factory-programmed options. all devices are avail- able in 32 reset threshold voltages from 2.6v up to 5v, with three watchdog timeout periods from 6.3ms to 1600ms and three reset timeouts from 1ms up to 140ms. available output configurations are active low push-pull, active low open drain, active low bi-directional, and active high push-pull. the aat351x family is designed to ignore fast neg- ative transients on v dd and to ensure that reset outputs remain valid down to 1v. the aat351x family is available in the pb-free, space-saving 5-pin sot23 surface mount package and is specified over the -40 to +85c temperature range. features ? tight voltage tolerance: 1.5% ? low quiescent current: 5a ? guaranteed reset valid down to 1v ? 32 voltage options from 2.6v to 5.0v ? three reset active period options: ? 1ms, 20ms, 140ms ? three watchdog timeout period options: ? 6.3ms, 102ms, 1600ms ? four output options: ? open drain ? inverting ? non-inverting ? bi-directional ? low temperature coefficient: 100ppm/c ? 5-pin sot23 package applications ? critical p and c supply monitoring ? embedded control systems ? industrial controllers ? intelligent instruments ? notebook computers ? portable electronics ? power-on reset circuits typical application aat351x vcc reset gnd (reset) reset input p vdd v dd i/o line wdi powermanager ?
AAT3510/1/2/3/4/5/6/7/8/9 micropower p reset with watchdog timer 2 3510.2006.03.1.7 pin descriptions pin configuration (top view) aat3516 aat3519 (top view) AAT3510 aat3511 (top view) aat3513 aat3514 aat3517 aat3518 (top view) aat3512 aat3515 5-lead sot23 5-lead sot23 5-lead sot23 5-lead sot23 gnd vcc wdi mr reset 1 2 3 4 5 gnd vcc mr reset reset 1 2 3 4 5 gnd vcc wdi mr reset 1 2 3 4 5 gnd vcc wdi reset reset 1 2 3 4 5 pin # AAT3510 aat3512 aat3513 aat3515 aat3511 aat3514 aat3516 aat3517 aat3518 aat3519 symbol function 1 n/a 1 1 reset AAT3510/13/15: reset output goes low whenever v dd falls below the reset threshold. cmos push-pull output. aat3511/14/16: reset output goes low whenever v dd falls below the reset threshold. bidirectional cmos push- pull output intended to interface directly to microprocessors with bi-directional resets. aat3517/18/19: reset output goes low whenever v dd falls below the reset threshold. open drain output. connect a pull-up resistor to any supply voltage up to 5.5v. 2 2 2 2 gnd ground connection pin. n/a 1 3 3 reset reset active-high output. this cmos push-pull signal is the logical inverse of reset. 3 3 n/a 4 mr manual reset input pin. active low. pull low to force a reset. 4 4 4 n/a wdi watchdog input pin. triggers a reset if it remains in a steady state for the duration of the watchdog timer period. 5 5 5 5 vcc input voltage pin.
AAT3510/1/2/3/4/5/6/7/8/9 micropower p reset with watchdog timer 3510.2006.03.1.7 3 absolute maximum ratings 1 t a = 25c, unless otherwise noted. thermal information 2 symbol description value units ja maximum thermal resistance 190 c/w p d maximum power dissipation 526 mw symbol description max units v cc v cc to gnd -0.3 to 6 v v mr , v wdi mr, wdi to gnd -0.3 to v cc + 0.3 v v reset reset to gnd (push-pull or bidirectional output) -0.3 to v cc + 0.3 v reset to gnd (open drain output) -0.3 to 6 i vcc , i mr , i wdi maximum continuous input current 20 ma i reset reset/reset output current 20 ma dv cc /dt rate of rise of v cc 100 v/s t j operating junction temperature range (-40c to +150c) 150 c 1. stresses above those listed in absolute maximum ratings may cause permanent damage to the device. functional operation at c ondi- tions other than the operating conditions specified is not implied. only one absolute maximum rating should be applied at any one time. 2. mounted on an fr4 board.
AAT3510/1/2/3/4/5/6/7/8/9 micropower p reset with watchdog timer 4 3510.2006.03.1.7 electrical characteristics v cc = 2.5v to 5.5v, t a = -40c to +85c 1 , unless otherwise noted. typical values are at t a = 25c. symbol description conditions min typ max units v cc operating voltage range t a = -40c to +85c 1 5.5 v AAT3510/1/2/3/4/7/8: v cc = 3.6v 5 15 mr & wdi unconnected v cc = 5.5v 6 18 i cc supply current aat3515/6/9: v cc = 3.6v 15 a mr unconnected v cc = 5.5v 18 v th reset threshold voltage t a = 25c v thnom -1.5% v th v thnom +1.5% v t a = -40 to +85c v thnom -2.5% v th v thnom +2.5% t c reference voltage -40c < t a < +85c 40 ppm/c temperature coefficient aat351xigv-xx-a-x-t1 1 1.4 2 t rp reset active timeout aat351xigv-xx-b-x-t1 20 28 40 ms period aat351xigv-xx-c-x-t1 140 200 280 t rd v cc to reset delay v cc falling at 1mv/s 40 s push/pull reset output (AAT3510, 3512, 3513, 3514, 3515, 3516, 3518, 3519) v cc 1.0v, i sink = 50a 0.3 v cc 1.2v, i sink = 100a 0.3 v ol reset low output voltage v cc 2.7v, i sink = 1.2ma 0.3 v v cc 4.5v, i sink = 3.2ma 0.4 v oh reset high output voltage v cc 2.7v, i source = 500a 0.8 x v cc v v cc 4.5v, i source = 800a v cc - 1.5 v cc 2.7v, i sink = 1.2ma 0.3 reset low output voltage v cc 4.5v, i sink = 3.2ma 0.4 v oh v cc 1.8v, i source = 150a 0.8 x v cc v reset high output voltage v cc 2.7v, i source = 500a 0.8 x v cc v cc 4.5v, i source = 800a v cc - 1.5 bidirectional reset output (aat3511, 3514, 3516) t s transition flip-flop setup 400 ns time 2 v cc = 3.0v, c l = 120pf 333 t r reset output rise time 3 v cc = 5.0v, c l = 200pf 333 ns v cc = 3.0v, c l = 250pf 666 v cc = 5.0v, c l = 400pf 666 active pull-up enable v cc = 5.0v 0.4 0.65 v threshold v pth reset active pull-up v cc = 5.0v 20 ma current reset pull-up resistance 4.2 4.7 5.2 k ? 1. over-temperature limits are guaranteed by design, not production tested. 2. this is the minimum time reset must be held low by an external pull-down source to set the active pull-up flip-flop. 3. measured from reset v ol to (0.8 x v cc ), open circuit output.
AAT3510/1/2/3/4/5/6/7/8/9 micropower p reset with watchdog timer 3510.2006.03.1.7 5 electrical characteristics v cc = 2.5v to 5.5v, t a = -40c to +85oc 1 , unless otherwise noted. typical values are at t a = 25c. symbol description conditions min typ max units open-drain reset output (aat3517, 3518, 3519) v cc 1.0v, i sink = 50a 0.3 v cc 1.2v, i sink = 100a 0.3 v ol reset low output voltage v cc 2.7v, i sink = 1.2ma 0.3 v v cc 4.5v, i sink = 3.2ma 0.4 i d(off) reset leakage current 1.0 a watchdog input (AAT3510, 3511, 3512, 3513, 3514, 3517, 3518) aat351xigv-xx-x-a-t1 4.3 6.3 9.3 t wd watchdog timeout period aat351xigv-xx-x-b-t1 71 102 153 ms aat351xigv-xx-x-c-t1 2 1.12 1.6 2.4 s t wdi wdi minimum pulse width v il = 0.3 x v cc , v ih = 0.7 x v cc 50 ns v il wdi input threshold 3 0.3 x v cc v ih wdi input threshold 3 0.8 x v cc v i wdi wdi input current 4 wdi = v cc , time average 120 160 a v wdi = 0, time average -20 -15 manual reset input (AAT3510, 3511, 3512, 3515, 3516, 3517, 3519) v il mr input threshold 0.3 x v cc mr input threshold 0.7 x v cc v mr input pulse width 1 s v ih mr glitch rejection 100 ns mr internal pull-up resistance t a = 25c 35 52 75 k ? mr to reset delay v cc = 5v 230 ns 1. over-temperature limits are guaranteed by design, not production tested. 2. watchdog timeout period c is not available on aat3513, aat3514, and aat3518. 3. wdi is internally serviced within the watchdog period if wdi is left unconnected. 4. 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 10a maximum leakage current and capable of driving a maximum capacitive load of 200pf. the three-state device must be able to source and sink at least 200a when active.
AAT3510/1/2/3/4/5/6/7/8/9 micropower p reset with watchdog timer 6 3510.2006.03.1.7 typical characteristics unless otherwise noted, v in = 3v, t a = 25c. maximum v cc transient duration vs. reset threshold overdrive 0 10 20 30 40 50 60 70 80 10 100 1000 reset threshold overdrive (mv) v rst - v cc transient duration (s) v rst = 2.63v normalized watchdog timeout period vs. temperature 0.95 0.96 0.97 0.98 0.99 1.00 1.01 1.02 1.03 1.04 1.05 -40 -20 0 20 40 60 80 100 temperature ( c) normalized timeout period normalized reset timeout period vs. temperature 0.95 0.96 0.97 0.98 0.99 1.00 1.01 1.02 1.03 1.04 1.05 -40 -20 0 20 40 60 80 100 temperature ( c) normalized timeout period manual reset to reset propagation delay vs. temperature 200 250 300 350 400 450 500 -40 -20 0 20 40 60 80 100 temperature ( c) propagation delay (ns) v cc = 5v v cc falling to reset propagation delay vs. temperature 0 20 40 60 80 100 120 140 160 -40 -20 0 20 40 60 80 100 temperature ( c) propagation delay (s) v cc falling at 1mv/s v rst - v cc = 100mv supply current vs. temperature 0 1 2 3 4 5 6 7 8 9 10 -40 -20 0 20 40 60 80 100 temperature ( c) supply current (a) v cc = 5v v cc = 3 v v cc = 1v
AAT3510/1/2/3/4/5/6/7/8/9 micropower p reset with watchdog timer 3510.2006.03.1.7 7 typical characteristics unless otherwise noted, v in = 3v, t a = 25c. bidirectional pullup characteristic time (200ns/div) p assive 4.7k ? pullup 2v/div reset, active pullup 2v/div reset, input 5v/div v cc gnd mr 100pf input +5v reset 74hc05 100pf 4.7k +5v 74hc05 input
AAT3510/1/2/3/4/5/6/7/8/9 micropower p reset with watchdog timer 8 3510.2006.03.1.7 functional block diagram reset generator watchdog timer watchdog timer detector vcc v cc gnd reset 3 v ref mr 1 wdi 2 reset 4 1. mr pin available on AAT3510/1/2/5/6/7/9. 2. wdi pin avaliable on AAT3510/1/2/3/4/7/8. 3. reset pin available on AAT3510/1/3/4/5/6/7/8/9. 4. reset pin available on aat3512/3/4/5/6/8/9.
AAT3510/1/2/3/4/5/6/7/8/9 micropower p reset with watchdog timer 3510.2006.03.1.7 9 factory-trimmed reset thresholds 1 and ordering information reset active period a: t r(min) = 1ms b: t r(min) = 20ms c: t r(min) = 140ms watchdog timeout period a: t wd(nom) = 6.3ms b: t wd(nom) = 102ms c: t wd(nom) = 1600ms 1 vdd threshold voltage 2.63: v th(nom) = 2.63v 3.90: v th(nom) = 3.9v 2.70: v th(nom) = 2.7v 4.00: v th(nom) = 4.0v 2.80: v th(nom) = 2.8v 4.10: v th(nom) = 4.1v 2.93: v th(nom) = 2.93v 4.20: v th(nom) = 4.2v 3.00: v th(nom) = 3.0v 4.38: v th(nom) = 4.3v 3.08: v th(nom) = 3.08v 4.40: v th(nom) = 4.38v 3.20: v th(nom) = 3.2v 4.50: v th(nom) = 4.5v 3.30: v th(nom) = 3.3v 4.63: v th(nom) = 4.63v 3.40: v th(nom) = 3.4v 4.70: v th(nom) = 4.7v 3.50: v th(nom) = 3.5v 4.80: v th(nom) = 4.8v 3.60: v th(nom) = 3.6v 4.90: v th(nom) = 4.9v 3.70: v th(nom) = 3.7v 5.00: v th(nom) = 5.0v 3.80: v th(nom) = 3.8v aat351x igv - x.xx - x - x-t1 reset active period watchdog timeout (if applicable) threshold voltage 1. watchdog timeout period c is not available on aat3513, aat3514, and aat3518.
AAT3510/1/2/3/4/5/6/7/8/9 micropower p reset with watchdog timer 10 3510.2006.03.1.7 ordering information all analogictech products are offered in pb-free packaging. the term ?pb-free? means semiconductor products that are in compliance with current rohs standards, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. for more information, please visit our website at http://www.analogictech.com/pbfree. package marking 1 part number (tape and reel) 2 sot23-5 hvxyy AAT3510igv-2.63-c-c-t1 sot23-5 huxyy AAT3510igv-2.93-c-c-t1 sot23-5 hgxyy AAT3510igv-3.08-c-c-t1 sot23-5 hhxyy AAT3510igv-4.38-c-c-t1 sot23-5 ewxyy aat3511igv-2.63-c-c-t1 sot23-5 myxyy aat3512igv-2.63-a-c-t1 sot23-5 aat3512igv-2.63-c-c-t1 sot23-5 hexyy aat3515igv-2.63-c-t1 sot23-5 hixyy aat3515igv-2.93-b-t1 sot23-5 klxyy aat3515igv-2.93-c-t1 sot23-5 jnxyy aat3515igv-3.08-c-t1 sot23-5 kmxyy aat3515igv-4.38-c-t1 sot23-5 mfxyy aat3515igv-4.63-c-t1 sot23-5 inxyy aat3517igv-2.63-c-c-t1 sot23-5 lzxyy aat3517igv-2.8-b-c-t1 sot23-5 iqxyy aat3517igv-2.93-c-c-t1 1. xyy = date and assembly code. 2. sample stock is generally held on part numbers listed in bold .
package information sot23-5 all dimensions in millimeters. 4 4 0.15 0.07 0.45 0.15 0.10 bsc 1.20 0.25 1.575 0.125 2.80 0.20 0.40 0.10 0.60 ref 2.85 0.15 1.90 bsc 0.95 bsc 1.10 0.20 10 5 gauge plane 0.075 0.075 0.60 ref AAT3510/1/2/3/4/5/6/7/8/9 micropower p reset with watchdog timer 3510.2006.03.1.7 11 advanced analogic technologies, inc. 830 e. arques avenue, sunnyvale, ca 94085 phone (408) 737-4600 fax (408) 737-4611 ? advanced analogic technologies, inc. analogictech cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in an analogictech pr oduct. no circuit patent licenses, copyrights, mask work rights, or other intellectual property rights are implied. analogictech reserves the right to make changes to their products or specifi cations or to discontinue any product or service without notice. customers are advised to obtain the latest version of relevant information to verify, before placing orders, that information b eing relied on is current and complete. all products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those pertaining to warran ty, patent infringement, and limitation of liability. analogictech warrants performance of its semiconductor products to the specifications applicable at the time of sale in accordance with anal ogictech?s standard warranty. testing and other quality con- trol techniques are utilized to the extent analogictech deems necessary to support this warranty. specific testing of all param eters of each device is not necessarily performed.

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