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for pricing, delivery, and ordering information, please contact maxim direct at 1-888-629-4642, or visit maxim? website at www.maxim-ic.com. _________________g eneral description the max961?ax964/max997/max999 are low-power, ultra-high-speed comparators with internal hysteresis. these devices are optimized for single +3v or +5v operation. the input common-mode range extends 100mv beyond-the-rails , and the outputs can sink or source 4ma to within 0.52v of gnd and v cc . propagation delay is 4.5ns (5mv overdrive), while sup- ply current is 5ma per comparator. the max961/max963/max964 and max997 have a shutdown mode in which they consume only 270? supply current per comparator. the max961/max963 provide complementary outputs and a latch-enable fea- ture. latch enable allows the user to hold a valid com- parator output. the max999 is available in a tiny sot23-5 package. the single max961/max997 and dual max962 are available in space-saving 8-pin ?ax packages. ________________________applications single 3v/5v systems portable/battery-powered systems threshold detectors/discriminators gps receivers line receivers zero-crossing detectors high-speed sampling circuits ____________________________features ? ? ultra-fast, 4.5ns propagation delay ? ? ideal for +3v and +5v single-supply applications ? ? beyond-the-rails input voltage range ? ? low, 5ma supply current (max997/max999) ? ? 3.5mv internal hysteresis for clean switching ? ? output latch (max961/max963) ? ? ttl/cmos-compatible outputs ? ? shutdown mode (max961/max963/max964/max997) ? ? available in space-saving packages: 5-pin sot23 (max999) 8-pin max (max961/max962/max997) 16-pin qsop (max964) selector guide max961?ax964/max997/max999 single/dual/quad, ultra-high-speed, +3v/+5v, beyond-the-rails comparators ________________________________________________________________ maxim integrated products 1 19-1129; rev 6; 2/08 part no. of comparators complementary output shutdown latch enable pin-package max961 1 yes yes yes 8 so/?ax max962 2 no no no 8 so/?ax max963 2 yes yes yes 14 so max964 4 no yes no 16 so/qsop pin configurations beyond-the-rails is a trademark and ?ax is a registered trademark of maxim integrated products, inc. gnd in- in+ 15 top view v cc q max999 sot23-5 2 34 pin configurations continued at end of data sheet. max997 1 no yes no 8 so/?ax max999 1 no no no 5 sot23 note: all e grade devices are specified over the -40? to +85? operating temperature range. max999aauk is specified over the -40? to +125? operating temperature range. + denotes a lead-free package. ordering information part pin-package top mark pkg code max961 esa 8 so s8-2 max961eua-t 8 ?ax-8 u8-1 max962 esa 8 so s8-2 max962eua-t 8 ?ax-8 u8-1 max963 esd 14 so s14-1 max964 ese 16 narrow so s16-1 max964eee 16 qsop e16-1 max997 esa 8 so s8-2 max997eua-t 8 ?ax-8 u8-1 max999 aauk+t 5 sot23-5 +afei u5+1 max999euk-t 5 sot23-5 acab u5-1
electrical characteristics (v cc = +2.7v to +5.5v, v cm = 0v, c out = 5pf, v shdn = 0v, v le = 0v, unless otherwise noted. t min to t max is -40? to +85? for all e grade devices. for max999aauk only, t min to t max is -40? to +125?.) (note 1) max961?ax964/max997/max999 single/dual/quad, ultra-high-speed, +3v/+5v, beyond-the-rails comparators 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. supply voltage, v cc to gnd................................... -0.3v to +6v all other pins..............................................-0.3v to (v cc + 0.3v) current into input pins ......................................................?0ma duration of output short circuit to gnd or v cc .......continuous continuous power dissipation (t a = +70?) 5-pin sot23 (derate 7.1mw/? above +70?).......571mw/? 8-pin so (derate 5.88mw/? above +70?)...........471mw/? 8-pin ?ax (derate 4.10mw/? above +70?) ......330mw/? 14-pin so (derate 8.33mw/? above +70?).........667mw/? 16-pin so (derate 8.70mw/? above +70?).........696mw/? 16-pin qsop (derate 8.33mw/? above +70?)....667mw/? operating temperature range max96_e/max99_e.........................................-40? to +85? max999aauk ...............................................-40? to +125? storage temperature range ............................ -65? to +160? lead temperature (soldering, 10s) .................................+300? t a = +25? t min to t max parameter symbol conditions min typ max min typ max units supply voltage v cc inferred by psrr 2.7 5.5 2.7 5.5 v input common-mode voltage range v cmr (note 2) -0.1 v cc + 0.1 -0.1 v cc + 0.1 v ?ax, sot23 ?.0 ?.5 ?.5 max999aauk 2.0 3.5 8.0 input-referred trip points v trip v cm = -0.1v or 5.1v, v cc = 5v (note 3) all other e packages ?.0 ?.5 ?.0 mv input-referred hysteresis 3.5 mv ?ax, sot23 ?.5 ?.5 ?.5 max999aauk 0.5 1.5 6.0 input offset voltage v os v cm = -0.1v or 5.1v, v cc = 5v (note 4) all other e packages ?.5 ?.5 ?.0 mv ?ax, sot23 ?5 30 input bias current i b v in+ = v in- = 0v or v cc , v cc = 5v all other e packages ?5 15 ? differential input clamp voltage v cc = 5.5v, v in- = 0v, i in+ = 100? 2.1 v input capacitance 3 pf differential input impedance r ind v cc = 5v 8 k common-mode input r incm v cc = 5v 130 k
max961?ax964/max997/max999 single/dual/quad, ultra-high-speed, +3v/+5v, beyond-the-rails comparators _______________________________________________________________________________________ 3 electrical characteristics (continued) (v cc = +2.7v to +5.5v, v cm = 0v, c out = 5pf, v shdn = 0v, v le = 0v, unless otherwise noted. t min to t max is -40? to +85? for all e grade devices. for max999aauk only, t min to t max is -40? to +125?.) (note 1) t a = +25? t min to t max parameter symbol conditions min typ max min typ max units ?ax, sot23 0.1 0.3 1.0 common-mode rejection ratio cmrr v cc = 5v, v cm = -0.1v to 5.1v (note 5) all other e packages 0.1 0.3 0.5 mv/v power-supply rejection ratio psrr v cm = 0v (note 6) 0.05 0.3 0.3 mv/v e grade v cc - 0.52 v cc - 0.52 output high voltage v oh i source = 4ma max999aauk v cc - 0.52 v cc - 0.55 v e grade 0.52 0.52 output low voltage v ol i sink = 4ma max999aauk 0.52 0.55 v capacitive slew current v out = 1.4v, v cc = 2.7v 30 60 ma output capacitance 4 pf max961/max963, v cc = 5v 7.2 11 11 max962/max964, v cc = 5v 5 8 9 max997/max999e, v cc = 5v 5 6.5 6.5 supply current per comparator i cc max999aauk, v cc = 5v 5 6.5 7.0 ma shutdown supply current per comparator i shdn max961/max963/max964/ max997, v cc = 5v 0.27 0.5 0.5 ma shutdown output leakage current max961/max963/max964/ max997, v out = 5v and v cc - 5v 120a rise/fall time t r , t f v cc = 5v 2.3 ns logic-input high v ih v cc /2 + 0.4 v cc /2 + 0.4 v logic-input low v il v cc /2 - 0.4 v cc /2 - 0.4 v logic-input current i il , i ih v logic = 0v or v cc ?5 30 ? e grade 4.5 7.0 8.5 propagation delay t pd 5mv overdrive (note 7) max999aauk 4.5 7.0 10 ns differential propagation delay t pd between any two channels or outputs (q/ q ) 0.3 ns propagation-delay skew t skew between t pd- and t pd+ 0.3 ns
max961?ax964/max997/max999 single/dual/quad, ultra-high-speed, +3v/+5v, beyond-the-rails comparators 4 _______________________________________________________________________________________ note 1: the max961eua/max962eua/max997eua/max999euk are 100% production tested at t a = +25?; all temperature specifica- tions are guaranteed by design. note 2: inferred by cmrr. either input can be driven to the absolute maximum limit without false output inversion, provided that the ot her input is within the input voltage range. note 3: the input-referred trip points are the extremities of the differential input voltage required to make the comparator output cha nge state. the difference between the upper and lower trip points is equal to the width of the input-referred hysteresis zone. (see figure 1.) note 4: input offset voltage is defined as the mean of the trip points. note 5: cmrr = (v osl - v osh ) / 5.2v, where v osl is the offset at v cm = -0.1v and v osh is the offset at v cm = 5.1v. note 6: psrr = (v os 2.7 - v os 5.5) / 2.8v, where v os 2.7 is the offset voltage at v cc = 2.7v, and v os 5.5 is the offset voltage at v cc = 5.5v. note 7: propagation delay for these high-speed comparators is guaranteed by design characterization because it cannot be accurately measured using automatic test equipment. a statistically significant sample of devices is characterized with a 200mv step and 100mv overdrive over the full temperature range. propagation delay can be guaranteed by this characterization, since dc tests ensure that all internal bias conditions are correct. for low overdrive conditions, v trip is added to the overdrive. note 8: guaranteed by design. electrical characteristics (continued) (v cc = +2.7v to +5.5v, v cm = 0v, c out = 5pf, v shdn = 0v, v le = 0v, unless otherwise noted. t min to t max is -40? to +85? for all e grade devices. for max999aauk only, t min to t max is -40? to +125?.) (note 1) t a = +25? t min to t max parameter symbol conditions min typ max min typ max units data-to-latch setup time t su max961/max963 (note 8) 5 5 ns latch-to-data hold time t h max961/max963 (note 8) 5 5 ns latch pulse width t lpw max961/max963 (note 8) 5 5 ns latch propagation delay t lpd max961/max963 (note 8) 10 10 ns shutdown time t off delay until output is high-z (> 10k ) 150 ns shutdown disable time t on delay until output is valid 250 ns
max961?ax964/max997/max999 single/dual/quad, ultra-high-speed, +3v/+5v, beyond-the-rails comparators _______________________________________________________________________________________ 5 __________________________________________typical operating characteristics (v cc = +3.0v, c load = 5pf, 5mv of overdrive, t a = +25?, unless otherwise noted.) 0 102030405060708090100 input overdrive (mv) max997toc01 propagation delay vs. input overdrive propagation delay (ns) 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.5 7.0 t pd- t pd+ 5.0 -40 85 temperature (?) propagation delay (ns) 20 5.2 5.4 5.6 5.8 6.0 6.2 6.4 6.6 6.8 -20 0 60 40 max997toc0202 propagation delay vs. temperature t pd + t pd - 0 120 capacitive load (pf) 60 20 40 100 80 max997toc03 propagation delay vs. capacitive load propagation delay (ns) 8 7 6 5 4 t pd+ t pd- 2.5 3.5 4.5 5.5 supply voltage (v) 5.0 3.0 4.0 6.0 max997toc04 propagation delay vs. supply voltage 5.0 propagation delay (ns) 5.5 6.0 t pd + t pd - 26 supply voltage (v) supply current (ma) 5 6.0 6.5 7.0 7.5 8.0 34 max997toc07a max961/max963 supply current per comparator vs. supply voltage t a = +85? t a = -40? t a = +25? 1 10 100 1000 10,000 source current ( a) max997toc05 output high voltage vs. source current v oh (v) 2.50 2.55 2.60 2.65 2.70 2.80 2.75 t a = -40? t a = +25? t a = +85? 1 10 100 1000 10,000 sink current ( a) max997toc06 output low voltage vs. sink current v ol (v) 0 0.1 0.2 0.3 0.4 0.5 t a = -40? t a = +85? t a = +25? 3 4 5 6 7 26 supply voltage (v) supply current (ma) 5 34 max997toc07b max962/max964 supply current per comparator vs. supply voltage t a = -40? t a = +85? t a = +25? 3 4 5 6 7 8 9 26 supply voltage (v) supply current (ma) 5 34 max9997toc7c max997/max999 supply current per comparator vs. supply voltage t a = -40? t a = +85? t a = +25?
max961?ax964/max997/max999 single/dual/quad, ultra-high-speed, +3v/+5v, beyond-the-rails comparators 6 _______________________________________________________________________________________ 60 -40 80 310 260 temperature (?) shutdown supply current ( a) 20 160 110 -20 0 60 210 40 max997toc08 max961/max963/max964/max997 shutdown supply current vs. temperature v cc = 5.0v v cc = 2.7v 26 supply voltage (v) 5 34 max997toc10 voltage trip point/input offset voltage vs. supply voltage -3 -4 trip point / v os (mv) 4 3 2 1 0 -1 -2 v trip+ v os v trip- -10123456 v cm (v) max997toc11 input bias current (i b+ , i b- ) vs. common-mode voltage i b+ , i b- ( a) -6 -4 -2 0 2 4 6 8 -8 v cc = 5.0v v in = v os negative values represent current flowing into the device t a = -40 c t a = +85 c t a = +25 c -0.5 -40 80 temperature ( c) input bias/offset current ( a) 20 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 -20 0 60 40 max997toc12 input bias current/input offset current vs. temperature i os i b+ i b- ____________________________typical operating characteristics (continued) (v cc = +3.0v, c load = 5pf, 5mv of overdrive, t a = +25?, unless otherwise noted.) 0 -40 80 140 120 temperature (?) short-circuit current (ma) 20 60 40 20 -20 0 60 80 100 40 max997toc13 short-circuit output current vs. temperature output shorted to gnd (sourcing) output shorted to v cc (sinking) 3 -3 -40 85 2 v trip+ v trip- v os 1 temperature (?) trip point / v os (mv) 20 -1 -2 -20 0 60 0 40 max997toc09 voltage trip point/input offset voltage vs. temperature max997toc14 50mhz response v os gnd 5ns/div output 1v/div input 50mv/div v in = 100mv p-p
max961?ax964/max997/max999 single/dual/quad, ultra-high-speed, +3v/+5v, beyond-the-rails comparators _______________________________________________________________________________________ 7 ______________________________________________________________pin description comparator d inverting input comparator d noninverting input comparator b output comparator c output comparator b noninverting input comparator c inverting input comparator c noninverting input comparator b inverting input comparator a noninverting input 3 6 3 4 1 ____________________________typical operating characteristics (continued) (v cc = +3.0v, c load = 5pf, 5mv of overdrive, t a = +25?, unless otherwise noted.) max997toc15 propagation delay (t pd+ ) gnd gnd 5ns/div output 1v/div input 50mv/div max997toc16 propagation delay (t pd- ) gnd gnd 5ns/div output 1v/div input 50mv/div ground 4 latch-enable input. the output latches when le_ is high. the latch is transparent when le_ is low. 5 shutdown input. the device shuts down when shdn is high. 8 no connection. connect to gnd to prevent par- asitic feedback. 9 4, 11 7 3, 5 6 2 8 7 8 14 12 11 4 5 6 3 2 9 16 ind- ind+ qb gnd qc inb+ le, lea, leb inc- inc+ inb- in+, ina+ shdn n.c. no connection. not internally connected. 1, 5 n.c. comparator d output 10 qd comparator b complementary output 10 qb positive supply input (v cc to gnd must be 5.5v) 7 13 8 12 v cc comparator a ttl output 6 15 7 13 q, qa comparator a complementary output 14 q , qa 5 4 1 3 8 6 7 2 3 5 1 comparator a inverting input 2 2 1 1 in-, ina- 2 4 pin max963 max964 max997 max962 max961 max999 name function
max961?ax964/max997/max999 single/dual/quad, ultra-high-speed, +3v/+5v, beyond-the-rails comparators 8 _______________________________________________________________________________________ _______________detailed description the max961?ax964/max997/max999 single-supply comparators feature internal hysteresis, ultra-high- speed operation, and low power consumption. their outputs are guaranteed to pull within 0.52v of either rail without external pullup or pulldown circuitry. beyond- the-rails input voltage range and low-voltage, single- supply operation make these devices ideal for portable equipment. these comparators all interface directly to cmos logic. timing most high-speed comparators oscillate in the linear region because of noise or undesirable parasitic feed- back. this can occur when the voltage on one input is close to or equal to the voltage on the other input. these devices have a small amount of internal hystere- sis to counter parasitic effects and noise. the added hysteresis of the max961?ax964/max997/ max999 creates two trip points: one for the rising input voltage and one for the falling input voltage (figure 1). the difference between the trip points is the hysteresis. when the comparator? input voltages are equal, the hysteresis effectively causes one comparator input voltage to move quickly past the other, thus taking the input out of the region where oscillation occurs. standard comparators require hysteresis to be added with external resistors. the fixed internal hysteresis eliminates these resistors. the max961/max963 include internal latches that allow storage of comparison results. le has a high input impedance. if le is low, the latch is transparent (i.e., the comparator operates as though the latch is not pre- sent). the comparator? output state is stored when le is pulled high. all timing constraints must be met when using the latch function (figure 2). input stage circuitry the max961?ax964/max997/max999 include inter- nal protection circuitry that prevents damage to the pre- cision input stage from large differential input voltages. this protection circuitry consists of two groups of three front-to-back diodes between in+ and in-, as well as two 200 resistors (figure 3). the diodes limit the dif- ferential voltage applied to the comparator? internal circuitry to no more than 3v f , where v f is the diode? forward-voltage drop (about 0.7v at +25?). q v ol v oh v trip+ v hyst v trip- q v ol v oh v trip+ + v trip- 2 v os = v in- = 0v v in+ figure 1. input and output waveforms, noninverting input varied
max961?ax964/max997/max999 single/dual/quad, ultra-high-speed, +3v/+5v, beyond-the-rails comparators _______________________________________________________________________________________ 9 for a large differential input voltage (exceeding 3v f ), this protection circuitry increases the input bias current at in+ (source) and in- (sink). (in+ - in-) - 3v f input current = 2 x 200 input currents with large differential input voltages should not be confused with input bias currents (i b ). as long as the differential input voltage is less than 3v f , this input current is less than 2i b . the input circuitry allows the max961?ax964/ max997/max999? input common-mode range to extend 100mv beyond both power-supply rails. the output remains in the correct logic state if one or both inputs are within the common-mode range. taking either input outside the common-mode range causes the input to saturate and the propagation delay to increase. t h t su t lpw 0v v cc v os differential input voltage le q q v ol v oh t lpd t pd t skew t skew v cc 2 v cc 2 v cc 2 figure 2. max961/max963 timing diagram max961-max964 max997 max999 in+ 200 to internal circuitry in- 200 to internal circuitry figure 3. input stage circuitry
max961?ax964/max997/max999 single/dual/quad, ultra-high-speed, +3v/+5v, beyond-the-rails comparators 10 ______________________________________________________________________________________ output stage circuitry the max961?ax964/max997/max999 contain a cur- rent-driven output stage, as shown in figure 4. during an output transition, i source or i sink is pushed or pulled to the output pin. the output source or sink current is high during the transition, creating a rapid slew rate. once the output voltage reaches v oh or v ol , the source or sink current decreases to a small value, capable of maintain- ing the v oh or v ol in static condition. this decrease in current conserves power after an output transition has occurred. one consequence of a current-driven output stage is a linear dependence between the slew rate and the load capacitance. a heavy capacitive load slows down the voltage output transition. shutdown mode when shdn is high, the max961/max963/max964/ max997 shut down. when shut down, the supply cur- rent drops to 270? per comparator, and the outputs become high impedance. shdn has a high input impedance. connect shdn to gnd for normal opera- tion. exit shutdown with le low; otherwise, the output is indeterminate. __________applications information circuit layout and bypassing the max961?ax964/max997/max999? high band- width requires a high-speed layout. follow these layout guidelines: 1) use a pcb with a good, unbroken, low-inductance ground plane. 2) place a decoupling capacitor (a 0.1? ceramic sur- face-mount capacitor is a good choice) as close to v cc as possible. 3) on the inputs and outputs, keep lead lengths short to avoid unwanted parasitic feedback around the comparators. keep inputs away from outputs. keep impedance between the inputs low. 4) solder the device directly to the printed circuit board rather than using a socket. 5) refer to figure 5 for a recommended circuit layout. 6) for slow-moving input signals, take care to prevent parasitic feedback. a small capacitor (1000pf or less) placed between the inputs can help eliminate oscillations in the transition region. this capacitor causes negligible degradation to t pd when the source impedance is low. figure 4. output stage circuitry max961-max964 max997 max999 i source q, q v cc gnd i sink figure 5. max961 pcb layout
max961?ax964/max997/max999 single/dual/quad, ultra-high-speed, +3v/+5v, beyond-the-rails comparators ______________________________________________________________________________________ 11 so/ max qb inb+ gnd inb- 1 2 8 7 v cc qa ina- ina+ max962 3 4 6 5 so/ max q in+ n.c. gnd 1 2 8 7 v cc shdn in- n.c. max997 3 4 6 5 so so/qsop 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 ina- n.c. qa qb v cc gnd qc qd shdn max964 ina+ inb- inc+ inb+ inc- ind- ind+ 14 13 12 11 10 9 8 1 2 3 4 5 6 7 qa qa v cc gnd gnd lea ina+ ina- max963 qb qb shdn inb+ inb- leb q shdn gnd le 1 2 8 7 v cc q in- in+ max961 so/ max 3 4 6 5 top view pin configurations ___________________chip information max961/max962 transistor count: 286 max963/max964 transistor count: 607 max997/max999 transistor count: 142
max961?ax964/max997/max999 single/dual/quad, ultra-high-speed, +3v/+5v, beyond-the-rails comparators 12 ______________________________________________________________________________________ 8lumaxd.eps package outline, 8l umax/usop 1 1 21-0036 j rev. document control no. approval proprietary information title: max 0.043 0.006 0.014 0.120 0.120 0.198 0.026 0.007 0.037 0.0207 bsc 0.0256 bsc a2 a1 c e b a l front view side view e h 0.60.1 0.60.1 ?0.500.1 1 top view d 8 a2 0.030 bottom view 1 6 s b l h e d e c 0 0.010 0.116 0.116 0.188 0.016 0.005 8 4x s inches - a1 a min 0.002 0.95 0.75 0.5250 bsc 0.25 0.36 2.95 3.05 2.95 3.05 4.78 0.41 0.65 bsc 5.03 0.66 6 0 0.13 0.18 max min millimeters - 1.10 0.05 0.15 dim package information (the package drawing(s) in this data sheet may not reflect the most current specifications. for the latest package outline info rmation go to www.maxim-ic.com/packages .)
max961?ax964/max997/max999 single/dual/quad, ultra-high-speed, +3v/+5v, beyond-the-rails comparators ______________________________________________________________________________________ 13 package inform ation (continued) (the package drawing(s) in this data sheet may not reflect the most current specifications. for the latest package outline info rmation go to www.maxim-ic.com/packages .) qsop.eps
max961?ax964/max997/max999 single/dual/quad, ultra-high-speed, +3v/+5v, beyond-the-rails comparators 14 ______________________________________________________________________________________ package inform ation (continued) (the package drawing(s) in this data sheet may not reflect the most current specifications. for the latest package outline info rmation go to www.maxim-ic.com/packages .) soicn .eps package outline, .150" soic 1 1 21-0041 b rev. document control no. approval proprietary information title: top view front view max 0.010 0.069 0.019 0.157 0.010 inches 0.150 0.007 e c dim 0.014 0.004 b a1 min 0.053 a 0.19 3.80 4.00 0.25 millimeters 0.10 0.35 1.35 min 0.49 0.25 max 1.75 0.050 0.016 l 0.40 1.27 0.394 0.386 d d min dim d inches max 9.80 10.00 millimeters min max 16 ac 0.337 0.344 ab 8.75 8.55 14 0.189 0.197 aa 5.00 4.80 8 n ms012 n side view h 0.244 0.228 5.80 6.20 e 0.050 bsc 1.27 bsc c h e e b a1 a d 0 -8 l 1 variations:
max961?ax964/max997/max999 single/dual/quad, ultra-high-speed, +3v/+5v, beyond-the-rails comparators ______________________________________________________________________________________ 15 sot-23 5l .eps package inform ation (continued) (the package drawing(s) in this data sheet may not reflect the most current specifications. for the latest package outline info rmation go to www.maxim-ic.com/packages .)
max961?ax964/max997/max999 single/dual/quad, ultra-high-speed, +3v/+5v, beyond-the-rails comparators maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a maxim product. no circu it patent licenses are implied. maxim reserves the right to change the circuitry and specifications without notice at any time. 16 ____________________maxim integrated products, 120 san gabriel drive, sunnyvale, ca 94086 408-737-7600 2008 maxim integrated products is a registered trademark of maxim integrated products, inc. revision history revision number revision date description pages changed 0 9/96 initial release 1 12/96 added 8-pin ?ax packages. correct minor errors. 1, 2, 3 2 3/97 added dual and quad max963/max964 packages. 1, 2, 3 3 7/97 added new max997 and max999 parts. 1, 2, 3 4 3/99 new wafer fab/process change to cb20. update specifications and tocs. 2, 3, 4, 5, 6 5 2/07 added new current into input pins in the absolute maximum ratings .2 6 12/07 added new automotive grade max999aauk part and specifications. 1, 2, 3

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