1 ? x9511 single push butt on controlled potentiometer (xdcp?) linear, 32 taps, push button controlled, terminal voltage 5v features ? push button controlled ? low power cmos ?active current, 3ma max ?standby current, 100a typical ? 31 resistive elements ?temperature compensated ? 20% end to end resistance range ?-5v to +5v range ? 32 wiper tap points ?wiper positioned via two push button inputs ?slow and fast scan modes ? autostore ? option ?manual store option ?wiper position stored in nonvolatile memory and recalled on power-up ? 100 year wiper position data retention ? x9511w = 10k ? packages ?8 ld pdip ?8 ld soic ? pb-free plus anneal available (rohs compliant) description the intersil x9511 is a push button controlled potenti- ometer that is ideal for push button controlled resis- tance trimming. the x9511 is a resistor array composed of 31 resistive elements. between each element and at either end are tap points accessible to the wiper element. the position of the wiper element is controlled by the pu and pd inputs. the position of the wiper can be auto- matically stored in e 2 memory and then be recalled upon a subsequent power-on operation. the resolution of the x9511 is equal to the maximum resistance value divided by 31. as an example, for the x9511w (10k ) each tap point represents 323 . all intersil nonvolatile products are designed and tested for applications requiring extended endurance and data retention. ordering information part number part marking r total (k ) temperature range (c) package pkg. dwg. # X9511WP X9511WP 10 0 to +70 8 ld pdip mdp0031 X9511WPz (note) X9511WP z 0 to +70 8 ld pdip*** (pb-free) mdp0031 X9511WPi X9511WP i -40 to +85 8 ld pdip mdp0031 X9511WPiz (note) X9511WP z i -40 to +85 8 ld pdip*** (pb-free) mdp0031 x9511ws** x9511w 0 to +70 8 ld soic mdp0027 x9511wsz* , **(note) x9511w z 0 to +70 8 ld soic (pb-free) mdp0027 x9511wsi* , ** x9511w i -40 to +85 8 ld soic mdp0027 x9511wsiz* , ** (note) x9511w z i -40 to +85 8 ld soic (pb-free) mdp0027 note: intersil pb-free plus anneal products employ special pb-free material sets ; molding compounds/die attach materials and 100% matte tin plate termination finish, which are rohs comp liant and compatible with both snpb and pb-free soldering operations. intersil pb-free products are msl classified at pb-free peak reflow temper atures that meet or exceed the pb-free requirements of ipc/jedec j std-020. *add "t1" suffix for tape and reel. **add "t2" suffix for tape and reel. ***pb-free pdips can be used for through hole wave solder proc essing only. they are not intended for use in reflow solder processing applications. caution: these devices are sensitive to electrosta tic discharge; follow proper ic handling procedures. 1-888-intersil or 1-888-468-3774 | intersil (and design) is a registered trademark of intersil americas inc. xdcp is a trademark of intersil americas inc. copyright intersil americas inc. 2005, 2006, 2007. all rights reserved all other trademarks mentioned are the property of their respective owners. data sheet fn8205.3 february 2, 2007
2 fn8205.3 february 2, 2007 block diagram 5-bit up/down counter 5-bit eeprom memory store and recall control circuitry one of thirty-two decoder resistor array v h pu transfer gates ase v l v w 0 1 2 28 29 30 31 pd x9511
3 fn8205.3 february 2, 2007 pin descriptions v h /r h and v l /r l the high (v h /r h ) and low (v l /r l ) terminals of the x9511 are equivalent to the fixed terminals of a mechanical potentiometer. the minimum voltage is - 5v and the maximum is +5v. it should be noted that the terminology of v l /r l and v h /r h are in reference to the relative position of the terminal in relation to wiper movement direction selected by the pu and pd inputs, and not the voltage potential on the terminal. pu the debounced pu input is for incrementing the wiper position. an on-chip pull-up holds the pu input high. a switch closure to ground or a low logic level will, after a debounce time, move the wiper to the next adjacent higher tap position. pd the debounced pd input is for decrementing the wiper position. an on-chip pull-up holds the pd input high. a switch closure to ground or a low logic level will, after a debounce time, move the wiper to the next adjacent lower tap position. ase the debounced ase (autostore enable) pin can be in one of two states: v il - autostore is enabled. when v cc powers down, an automatic store cycle takes place. v ih - autostore is disabled. a low to high will initiate a manual store operation. this is for the user who wishes to connect a push button switch to this pin. for every valid push, the x9511 will store the current wiper position to the eeprom. pin configuration pin names device operation there are three sections of the x9511: the input control, counter and decode section; the eeprom memory; and the resistor array. the input control section oper- ates just like an up/down counter. the output of this counter is decoded to turn on a single electronic switch, connecting a point on the resi stor array to the wiper out- put. under the proper conditions the contents of the counter can be stored in eeprom memory and retained for future use. the resistor array is comprised of 31 individual resistors c onnected in series. at either end of the array and between each resistor is an elec- tronic switch that transfers the potential at that point to the wiper. the x9511 is designed to interface directly to two push button switches for effect ively moving the wiper up or down. the pu and pd inputs increment or decrement a 5-bit counter respectively. the output of this counter is decoded to select one of the thirty-two wiper posi- tions along the resistive array. the wiper increment input, pu and the wiper decrement input, pd are both connected to an internal pull-up so that they normally remain high. when pulled low by an external push button switch or a logic lo w level input, the wiper will be switched to the next adjacent tap position. internal debounce circuitry prevents inadvertent switching of the wiper position if pu or pd remain low for less than 40ms, typical. each of the buttons can be pushed either once for a single increment/dec- rement or continuously for a multiple increments/dec- rements. the number of increments/decrements of the wiper position depend on how long the button is being pushed. when making a continuous push, after the first second, the increment/decrement speed increases. for the first second the device will be in the slow scan mode. then if the button is held for longer than 1 second the device will go into the fast scan mode. as soon as the button is released the x9511 will return to a standby condition. v h v cc pu pd 1 2 3 4 8 7 6 5 x9511 dip/soic v ss ase v l v w symbol description v h /r h high terminal v w /r w wiper terminal v l /r l low terminal v ss ground v cc supply voltage pu push up input pd push down input ase autostore enable input x9511
4 fn8205.3 february 2, 2007 the wiper, when at either fixed terminal, acts like its mechanical equivalent and does not move beyond the last position. that is, the counter does not wrap around when clocked to either extreme. autostore the value of the counter is stor ed in eeprom mem- ory whenever the chip senses a power-down of v cc while ase is enabled (held low). when power is restored, the content of the memory is recalled and the counter reset to the last value stored. if autostore is to be implemented, ase is typically hard wired to v ss . if ase is held high during power- up and then taken low, th e wiper will not respond to the pu or pd inputs until ase is brought high and held high. manual (push button) store when ase is not enabled (held high) a push button switch may be used to pull ase low and released to perform a manual store of the wiper position. r total with v cc removed the end to end resistance of the array will fluctuate once v cc is removed. 3 5 6 8 1 2 7 v cc 2k v cc pu pd ase v h v w v l v ss figure 1. typical circuit with ase store controlled by push button switch 4 3 5 8 1 2 7 v cc v cc pu pd ase v ss v h v w v l 3.3f 6 figure 2. typical circuit with ase store pin used in autostore mode x9511
5 fn8205.3 february 2, 2007 absolute maximum ratings temperature under bias .................... -65 c to +135 c storage temperature.......................... -65 c to +150 c voltage on pu , pd , and v cc with respect to v ss ................................. -1v to +7v voltage on v h and v l referenced to v ss ................................... -8v to +8v v = |v h - v l | x9511w ............................................................. 10v lead temperature (soldering 10 seconds)....... +300 c wiper current ........................................................... 1ma esd rating human body model (per mil-std-883 method 3015.7) .................... 2.5kv machine model (per eiaj ed-4701 method c-111)...................... 250v analog characteristics electrical characteristics end-to-end resistance tolerance ........................... 20% power rating at +25 c x9511w ......................................................... 10mw wiper current ................................................. 1ma max. typical wiper resistance .......................................40 typical noise..............................< -120db/ hz ref: 1v resolution resistance ............................................................. 3% linearity absolute linearity (1) .......................................... 1.0 mi (2) relative linearity (3) ........................................... 0.2 mi (2) comment stresses above those listed under ?absolute maximum ratings? may cause permanent damage to the device. this is a stress rating only; functional operation of the device (at these or any ot her conditions above those listed in the operational sections of this specification) is not implied. exposure to absolute maximum rating con- ditions for extended periods ma y affect device reliability. temperature coefficient -40 c to +85 c x9511w ......................................+300 ppm/ c typical ratiometric temperature coefficient ................ 20 ppm wiper adjustability unlimited wiper adjustment ....... (non-store operation) wiper position store operations.......................100,000 data changes physical characteristics marking includes manufacturer?s trademark resistance value or code date code notes: (1) absolute linearity is utilized to determine actual wiper voltage versus expected voltage = [v w(n) - (n*mi + v w(0) )]/mi = 1 mi maximum. (2) 1 ml = minimum increment = r tot /31 for resistor mode or 1mi = [v w(31) - v w(0) ]/31 for voltage divider mode. (3) relative linearity is a measure of the error in step size between taps = (v w(n+1) - v w(n) ] )/mi - 1= 0.2 mi symbol table waveform inputs outputs must be steady will be steady may change from low to high will change from low to high may change from high to low will change from high to low don?t care: changes allowed changing: state not known n/a center line is high impedance x9511
6 fn8205.3 february 2, 2007 d.c. operating characteristics (over recommended operating conditions unless otherwise specified.) a.c. operating characteristics (over recommended operating conditions unless otherwise specified.) power-up and power-down requirements the are no restrictions on the sequencing of v cc and the voltage applied to the potentiometer pins during power-up or power-down conditions. during power-up, the data sheet parameters for the dcp do not fully apply until 1ms after v cc reaches its final value. the v cc ramp rate spec is always in effect. symbol parameter limits unit test conditions min. typ. (4) max. i cc v cc active current 1 3 ma pu or pd held at v il the other at v ih i sb standby supply current 100 500 a pu = pd = v ih i li pu , pd , ase input leakage current 10 a v in = v ss to v cc v ih pu , pd , ase input high voltage 2 v v ll pu , pd , ase input low voltage 0.8 v r w wiper resistance 40 100 w wiper current v cc /r tot v vh vh terminal voltage -5 +5 v v vl vl terminal voltage -5 +5 v c in (5) ase , pu , pd input capacitance 10 pf v cc = 5v, v in = 0v, t a = +25c, f = 1mhz symbol parameter limits unit min. typ. (4) max. t gap time between two separate push button events 50 s t db debounce time 30 40 ms t s slow after debounce to wiper change on a slow mode 100 250 375 ms t s fast wiper change on a fast mode 25 50 90 ms t pu power-up to wiper stable 500 s t r v cc v cc power-up rate 0.2 50 v/ ms t asto (5) autostore cycle time 2 ms v asth (5) autostore threshold voltage 4 v v asend (5) autostore cycle end voltage 3.5 v recommended operating conditions temp min. max. commercial 0c +70c industrial -40c +85c supply voltage limits x9511 5v 10% x9511
7 fn8205.3 february 2, 2007 autostore cycle timing diagram notes: v asth - autostore threshold voltage v asend - autostore cycle end voltage t asto - autostore cycle time (4) typical values are for t a = +25c and nominal supply voltage. (5) this parameter is periodica lly sampled and not 100% tested. slow mode timing note: (1) mi in the a.c. timing diagram refers to t he minimum incremental change in the wiper voltage. fast mode timing note: (1) mi in the a.c. timing diagram refers to t he minimum incremental change in the wiper voltage. v asth v cc v asend t asto store time autos cycle in progress volts (v) time (ms) 5 t gap t db mi (1) v w pu t db pu t s slow t s fast mi (1) 1 second v w x9511
8 fn8205.3 february 2, 2007 x9511 plastic dual-in-line packages (pdip) mdp0031 plastic dual-in-line package symbol pdip8 pdip14 pdip16 pdip18 pdip20 tolerance notes a 0.210 0.210 0.210 0.210 0.210 max a1 0.015 0.015 0.015 0.015 0.015 min a2 0.130 0.130 0.130 0.130 0.130 0.005 b 0.018 0.018 0.018 0.018 0.018 0.002 b2 0.060 0.060 0.060 0.060 0.060 +0.010/-0.015 c 0.010 0.010 0.010 0.010 0.010 +0.004/-0.002 d 0.375 0.750 0.750 0.890 1.020 0.010 1 e 0.310 0.310 0.310 0.310 0.310 +0.015/-0.010 e1 0.250 0.250 0.250 0.250 0.250 0.005 2 e 0.100 0.100 0.100 0.100 0.100 basic ea 0.300 0.300 0.300 0.300 0.300 basic eb 0.345 0.345 0.345 0.345 0.345 0.025 l 0.125 0.125 0.125 0.125 0.125 0.010 n 8 14 16 18 20 reference rev. b 2/99 notes: 1. plastic or metal protrusions of 0.010? maximum per side are not included. 2. plastic interlead protrusions of 0.010? maximum per side are not included. 3. dimensions e and ea are measured with the leads constrained perpendicular to the seating plane. 4. dimension eb is measured wi th the lead tips unconstrained. 5. 8 and 16 lead packages have half end-leads as shown. d l a e b a1 note 5 a2 seating plane l n pin #1 index e1 12 n/2 b2 e eb ea c
9 all intersil u.s. products are manufactured, asse mbled and tested utilizing iso9000 quality systems. intersil corporation?s quality certifications ca n be viewed at www.intersil.com/design/quality intersil products are sold by description only. intersil corpor ation reserves the right to make changes in circuit design, soft ware and/or specifications at any time without notice. accordingly, the reader is cautioned to verify that data sheets are current before placing orders. information furnishe d by intersil is believed to be accurate and reliable. however, no responsibility is assumed by intersil or its subsidiaries for its use; nor for any infringements of paten ts or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of intersil or its subsidiari es. for information regarding intersil corporation and its products, see www.intersil.com fn8205.3 february 2, 2007 x9511 small outline package family (so) gauge plane a2 a1 l l1 detail x 4 4 seating plane e h b c 0.010 b m ca 0.004 c 0.010 b m ca b d (n/2) 1 e1 e n n (n/2)+1 a pin #1 i.d. mark h x 45 a see detail ?x? c 0.010 mdp0027 small outline package family (so) symbol so-8 so-14 so16 (0.150?) so16 (0.300?) (sol-16) so20 (sol-20) so24 (sol-24) so28 (sol-28) tolerance notes a 0.068 0.068 0.068 0.104 0.104 0.104 0.104 max - a1 0.006 0.006 0.006 0.007 0.007 0.007 0.007 0.003 - a2 0.057 0.057 0.057 0.092 0.092 0.092 0.092 0.002 - b 0.017 0.017 0.017 0.017 0.017 0.017 0.017 0.003 - c 0.009 0.009 0.009 0.011 0.011 0.011 0.011 0.001 - d 0.193 0.341 0.390 0.406 0.504 0.606 0.704 0.004 1, 3 e 0.236 0.236 0.236 0.406 0.406 0.406 0.406 0.008 - e1 0.154 0.154 0.154 0.295 0.295 0.295 0.295 0.004 2, 3 e 0.050 0.050 0.050 0.050 0.050 0.050 0.050 basic - l 0.025 0.025 0.025 0.030 0.030 0.030 0.030 0.009 - l1 0.041 0.041 0.041 0.056 0.056 0.056 0.056 basic - h 0.013 0.013 0.013 0.020 0.020 0.020 0.020 reference - n 8 14 16 16 20 24 28 reference - rev. l 2/01 notes: 1. plastic or metal protrusions of 0.006? maximum per side are not included. 2. plastic interlead protrusions of 0.010? maximum per side are not included. 3. dimensions ?d? and ?e1? are measured at datum plane ?h?. 4. dimensioning and tolerancing per asme y14.5m - 1994
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