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roboclockii? junior, cy7b9930v, cy7b9940v high speed multifrequency pll clock buffer cypress semiconductor corporation ? 198 champion court ? san jose , ca 95134-1709 ? 408-943-2600 document number: 38-07271 rev. *h revised october 29, 2013 high speed multifrequency pll clock buffer features 12?100 mhz (cy7b9930v), or 24?200 mhz (cy7b9940v) input/output operation matched pair output skew < 200 ps zero input-to-output delay 10 lvttl 50% duty-cycle outputs capable of driving 50 ? termi- nated lines commercial temperature range with eight outputs at 200 mhz industrial temperature range with eight outputs at 200 mhz 3.3v lvttl/lv differ ential (lvpecl), fault-tolerant and hot insertable reference inputs multiply ratios of (1?6, 8, 10, 12) operation up to 12x input frequency individual output bank disable for aggressive power management and emi reduction output high impedance option for testing purposes fully integrated pll with lock indicator low cycle-to-cycle jitter (<100 ps peak-peak) single 3.3v 10% supply 44-pin tqfp package functional description the cy7b9930v and cy7b9940v high-speed multifrequency pll clock buffers offer user-selectable control over system clock functions. this multiple out put clock driver provides the system integrator with functions ne cessary to optimize the timing of high performance computer or communication systems. ten configurable outputs can each drive terminated transmission lines with impedances as low as 50 ? while delivering minimal and specified output skews at lvttl levels. the outputs are arranged in three banks. the fb feedback bank consists of two outputs, which allows divide-by functionality from 1 to 12. any one of these ten outputs can be connected to the feedback input as well as driving other inputs. selectable reference input is a fault tolerance feature that allows smooth change over to secondary clock source, when the primary clock source is not in op eration. the reference inputs are configurable to accommodate both lvttl or differential (lvpecl) inputs. the completely integrated pll reduces jitter and simplifies board layout. 3 3 3 3 fs output_mode fbds0 fbds1 dis2 dis1 qfa0 qfa1 2qa0 2qa1 2qb0 2qb1 1qa0 1qa1 1qb0 1qb1 lock fbka refa+ refa? refb+ refb? refsel divide phase freq. detector filter vco control logic divide generator feedback bank bank 2 bank 1 matrix logic block diagram
roboclockii? junior, cy7b9930v, cy7b9940v document number: 38-07271 rev. *h page 2 of 16 contents logic block diagram description ......................................3 phase frequency detector and f ilter ............ ........... ......3 vco, control logic, and divide generator ... ........... ......3 divide matrix ...................................................................3 output disable description ..... ........................................3 lock detect output description ......................................4 factory test mode description ......................................4 pin configuration ................................................................5 pin definitions .....................................................................6 absolute maximum conditions ..........................................7 operating range ..................................................................7 electrical characteristics ....................................................7 capacitance .........................................................................9 ac test loads and waveforms ..........................................9 switching characteristics ...................................................10 ac timing diagrams ...........................................................11 ordering information ...........................................................12 ordering code definitions ....... .......................................12 package diagram .................................................................13 acronyms .............................................................................14 document conventions ......................................................14 units of measure ............................................................14 document history page ......................................................15 sales, solutions, and legal information ...........................16 worldwide sales and design supp ort ............ ........... .....16 products .........................................................................16 psoc? solutions ...........................................................16 cypress developer community ......................................16 technical support ................... .......................................16
roboclockii? junior, cy7b9930v, cy7b9940v document number: 38-07271 rev. *h page 3 of 16 logic block diagram description phase frequency detector and filter these two blocks accept signals from the ref inputs (refa+, refa?, refb+ or refb?) and the fb input (fbka). correction information is then generated to control the frequency of the voltage controlled oscillator (vco). these two blocks, along with the vco, form a phase-lo cked loop (pll) that tracks the incoming ref signal. the roboclock ii ? junior has a flexible ref input scheme. these inputs allow the use of either differential lvpecl or single ended lvttl inputs. to configure as single ended lvttl inputs, leave the complementary pin to 1.5v), then use the other input pin as an lvttl input. the ref inputs are also tolerant to hot insertion. the ref inputs can be changed dynamically. when changing from one reference input to the other reference input of the same frequency, the pll is optimized to ensure that the clock outputs period is not less than th e calculated system budget (t min = t ref (nominal reference clock period) ? t ccj (cycle-to-cycle jitter) ? t pdev (max. period deviation)) while reacquiring lock. vco, control logic, and divide generator the vco accepts analog control inputs from the pll filter block. the fs control pin setting determines the nominal operational frequency range of the divide by one output (f nom ) of the device. f nom is directly related to the vco frequency. there are two versions of the roboclock ii junior, a low speed device (cy7b9930v) where f nom ranges from 12 mhz to 100 mhz, and a high speed device (cy7b9940v), which ranges from 24 mhz to 200 mhz. the fs setting for each device is shown in table 1 . the f nom frequency is seen on ?divide-by-one? outputs. divide matrix the divide matrix is comprised of three independent banks: two banks of clock outputs and one bank for feedback. each clock output bank has two pairs of low- skew, high fanout output buffers ([1:2]q[a:b][0:1]), and an output disable (dis[1:2]). the feedback bank has one pair of low-skew, high fanout output buffers (qfa[0:1]). one of these outputs may connect to the selected feedback input (fbka+). this feedback bank also has two divider function selects fbds[0:1]. the divide capabilities for each bank are shown in table 2 . output disable description the outputs of bank 1 and bank 2 can be independently put into a hold off or high impedance state. the combination of the output_mode and dis[1:2] inputs determines the clock outputs? state for each bank. when the dis[1:2] is low, the outputs of the corresponding bank are enabled. when the dis[1:2] is high, the outputs for that bank are di sabled to a high impedance (hi-z) or hold off state depending on the output_mode input. ta b l e 3 defines the disabled output functions. the hold off state is designed as a power saving feature. an output bank is disabled to the hold off state in a maximum of six output clock cycles from th e time when the disable input (dis[1:2]) is high. when disabled to the hold off state, outputs are driven to a logic low state on its falling edge. this ensures the output clocks are st opped without glitch. when a bank of outputs is disabled to hi-z state, the respective bank of outputs go hi-z immediately. table 1. frequency range select fs [1] cy7b9930v cy7b9940v f nom (mhz) f nom (mhz) min. max. min. max. low 12 26 24 52 mid 24 52 48 100 high 48 100 96 200 [2] table 2. output divider function function selects output divider function fbds1 fbds0 bank 1 bank 2 feedback bank low low /1 /1 /1 low mid /1 /1 /2 low high /1 /1 /3 mid low /1 /1 /4 mid mid /1 /1 /5 mid high /1 /1 /6 high low /1 /1 /8 high mid /1 /1 /10 high high /1 /1 /12 table 3. dis[1:2] pin functionality output_mode dis[1:2]/fbdis output mode high/low low enabled high high hi-z low high hold-off mid x factory test notes 1. the level to be set on fs is determined by the ?nominal? operating frequency (f nom ) of the v co . f nom always appears on an output when the output is operating in the undivided mode. the ref and fb are at f nom when the output connected to fb is undivided. 2. the maximum output frequency is 200 mhz.
roboclockii? junior, cy7b9930v, cy7b9940v document number: 38-07271 rev. *h page 4 of 16 lock detect output description the lock detect output indicates the lock condition of the integrated pll. lock detection is accomplished by comparing the phase difference between the reference and feedback inputs. phase error is declared when the phase difference between the two inputs is grea ter than the specified device propagation delay limit (t pd ). when in the locked state, after four or more consecutive feedback clock cycles with phase errors, the lock output is forced low to indicate out-of-lock state. when in the out-of-lock state, 32 consecutive phase errorless feedback clock cycles are required to allow the lock output to indicate lock condition (lock = high). if the feedback clock is removed after lock has gone high, a watchdog circuit is implemented to indicate the out-of-lock condition after a timeout period by deasserting lock low. this timeout period is based upon a divided down reference clock. this assumes that there is acti vity on the selected ref input. if there is no activity on the selected ref input then the lock detect pin may not accurately reflect the state of the internal pll. factory test mode description the device enters factory test mode when the output_mode is driven to mid. in factory te st mode, the devic e operates with its internal pll disconnected; the input level supplied to the reference input is used in place of the pll output. in test mode the selected fb input must be ti ed low. all functions of the device remain operational in factory test mo de except the internal pll and output bank disables. the output_mode input is designed as a static input. dynamically toggling this input from low to high may temporarily cause the device to go into factory test mode (when passing through the mid state). factory test reset when in factory test mode (o utput_mode = mid), the device is reset to a deterministic state by driving the dis2 input high. when the dis2 input is driven hi gh in factory test mode, all clock outputs go to hi-z; after the selected reference clock pin has five positive transitions, all the internal finite state machines (fsm) are set to a deterministic state. the deterministic state of the state machines depends on t he configurations of the divide selects and frequency select input. all clock outputs stay in high impedance mode and all fsms stay in the deterministic state until dis2 is deasserted. when dis2 is deasserted (with output_mode still at mid), the device reenters factory test mode.
roboclockii? junior, cy7b9930v, cy7b9940v document number: 38-07271 rev. *h page 5 of 16 pin configuration figure 1. 44-pin tqfp pinout 1 3 2 36 35 34 37 38 39 40 41 42 43 44 25 24 23 26 27 28 33 31 32 30 29 vccq refa+ refa ? refsel refb? refb+ dis1 gnd dis2 vccq fs gnd 2qb1 vccn 2qb0 gnd gnd gnd vccn gnd 2qa0 2qa1 9 10 11 8 7 6 4 5 lock fbds1 fbds0 gnd qfa0 vccn vccq gnd fbka gnd qfa1 20 21 22 1qb1 vccn output_mode gnd 1qb0 gnd gnd 1qa1 vccn 1qa0 gnd 19 18 17 16 15 14 13 12 cy7b9930v/40v 44-pin tqfp
roboclockii? junior, cy7b9930v, cy7b9940v document number: 38-07271 rev. *h page 6 of 16 pin definitions name i/o type description fbka input lvttl feedback input . refa+, refa? refb+, refb? input lvttl/ lvdiff reference inputs : these inputs operate as either differential pecl or single ended ttl reference inputs to the pll. when oper ating as a single ended lvttl input, leave the complementary input must be left open. refsel input lvttl reference select input : the refsel input controls reference input configuration. when low, it uses the refa pair as the re ference input. when high, it uses the refb pair as the reference input. this input has an internal pull down. fs [3] input 3 level input frequency select : set this input according to the nominal frequency (f nom ). see ta b l e 1 . fbds[0:1] [3] input 3 level input feedback divider function select . these inputs determine th e function of the qfa0 and qfa1 outputs. see ta b l e 2 . dis[1:2] input lvttl output disable : each input controls the state of the respective output bank. when high, the output bank is disabled to the ?hold off? or ?hi-z? state; the disable state is determined by output_mode. when low, the [1:4]q[a:b][0:1] is enabled. see ta b l e 3 . these inputs each have an internal pull down. lock output lvttl pll lock indicator : when high, this output indicates that the internal pll is locked to the reference signal. when low, the pll is attempting to acquire lock. output_mode [3] input 3 level input output mode : this pin determines the clock outputs? disable state. when this input is high, the clock outputs disable to high impedance (hi-z). when this input is low, the clock outputs disables to ?hold off? mode. when in mid, the device enters factory test mode. qfa[0:1] output lvttl clock feedback output : this pair of clock outputs connects to the fb input. these outputs have numerous divide options. the function is determined by the setting of the fbds[0:1] pins. [1:2]q[a:b][0:1] output lvttl clock output . vccn pwr output buffer power : power supply for each output pair. vccq pwr internal power : power supply for the internal circuitry. gnd pwr device ground . note 3. for all tri-state inputs, high indicates a connection to v cc , low indicates a connection to gnd, and mid indicates an open connection. internal termination circuitry holds an unconnected input to v cc /2.
roboclockii? junior, cy7b9930v, cy7b9940v document number: 38-07271 rev. *h page 7 of 16 absolute maximum conditions exceeding the maximum ratings may impair the useful life of the device. these user guidelines are not tested. storage temperature ???????????????????????????????????????????? 40 ? c to +125 ? c ambient temperature with power applied ???????? 40 ? c to +125 ? c supply voltage to ground potential ???????????????????????? 0.5v to +4.6v dc input voltage ?????????????????????????????????????????????? ? 0.3v to v cc +0.5v output current into outputs (low) ..................................40 ma static discharge voltage (mil-std-883, method 3015) ...................................... >2000 v latch up current ........ .............. .............. .............. ...... >200 ma operating range range ambient temperature v cc commercial 0 c to +70 c 3.3 v ? 10% industrial ?40 c to +85 c 3.3 v ? 10% electrical characteristics over the operating range parameter description test conditions min max unit lvttl compatible output pins (q fa[0:1], [1:4]q[a:b][0:1], lock) v oh lvttl high voltage qfa[0:1], [1:2]q[a:b][0:1] v cc = min., i oh = ?30 ma 2.4 ? v lock i oh = ?2 ma, v cc = min. 2.4 ? v v ol lvttl low voltage qfa[0:1], [1:2]q[a:b][0:1] v cc = min., i ol = 30 ma ? 0.5 v lock i ol = 2 ma, v cc = min. ? 0.5 v i oz high impedance state leakage current ?100 100 ? a lvttl compatible input pins (fbka, refa, refb, refsel, dis[1:2]) v ih lvttl input high fbka+, ref[a:b] min. < v cc < max. 2.0 v cc + 0.3 v refsel, dis[1:2] 2.0 v cc + 0.3 v v il lvttl input low fbka+, ref[a:b] min. < v cc < max. ?0.3 0.8 v refsel, dis[1:2] ?0.3 0.8 v i i lvttl v in > v cc fbka+, ref[a:b] v cc = gnd, v in = 3.63v ? 100 ? a i lh lvttl input high current fbka+, ref[a:b] v cc = max., v in = v cc ?500 ? a refsel, dis[1:2] v in = v cc ?500 ? a i ll lvttl input low current fbka+, ref[a:b] v cc = max., v in = gnd ?500 ? ? a refsel, dis[1:2] ?500 ? ? a 3-level input pins (fbds[0:1], fs, output_mode) v ihh three level input high [4] min. < v cc < max. 0.87 v cc ?v v imm three level input mid [4] min. < v cc < max. 0.47 v cc 0.53 v cc v v ill three level input low [4] min. < v cc < max. ? 0.13 v cc v i ihh three level input high current three level input pins v in = v cc ?200 ? a i imm three level input mid current three level input pins v in = v cc /2 ?50 50 ? a i ill three level input low current three level input pins v in = gnd ?200 ? ? a note 4. these inputs are normally wired to v cc , gnd, or left unconnected (actual thres hold voltages vary as a percentage of v cc ). internal termination resistors hold the unconnected inputs at v cc /2. if these inputs are switched, the function and timing of t he outputs may glitch and the pll may require an additional t lock time before all data sheet limits are achieved.
roboclockii? junior, cy7b9930v, cy7b9940v document number: 38-07271 rev. *h page 8 of 16 lvdiff input pi ns (ref[a:b]) v diff input differential voltage 400 v cc mv v ihhp highest input high voltage 1.0 v cc v v illp lowest input low voltage gnd v cc ? 0.4 v v com common mode range (c rossing voltage) 0.8 v cc v operating current i cci internal operating current cy7b9930v v cc = max., f max [5] ?200ma cy7b9940v ? 200 ma i ccn output current dissipation/pair [6] cy7b9930v v cc = max., c load = 25 pf, r load = 50 ? at v cc /2, f max ?40ma cy7b9940v ? 50 ma electrical characteristics (continued) over the operating range parameter description test conditions min max unit notes 5. i cci measurement is performed with bank1 and fb ba nk configured to run at maximum frequency (f nom = 100 mhz for cy7b9930v, f nom = 200 mhz for cy7b9940v), and all other clock output banks to run at half the maximum frequency. fs and output_mode are asserted to the high state. 6. this is dependent upon frequency and number of outputs of a bank being loaded. the value indicates maximum i ccn at maximum frequency and maximum load of 25 pf terminated to 50 ? at v cc /2.
roboclockii? junior, cy7b9930v, cy7b9940v document number: 38-07271 rev. *h page 9 of 16 capacitance parameter description test conditions min. max. unit c in input capacitance t a = 25 c, f = 1 mhz, v cc = 3.3 v ? 5 pf ac test loads and waveforms figure 2. ac test loads and waveform [7] 2.0v 0.8v 3.3v gnd 2.0v 0.8v 3.3v output (a) lvttl ac test load < 1ns < 1 ns (b) ttl input test waveform r1 r2 c l r1 = 910 ? r2 = 910 ? c l <30pf (includes fixture and probe capacitance) r1 = 100 ? r2 = 100 ? c l < 25 pf up to 185 mhz for lock output only for all other outputs 10 pf from 185 to 200 mhz note 7. these figures are for illustration on ly. the actual ate loads may vary.
roboclockii? junior, cy7b9930v, cy7b9940v document number: 38-07271 rev. *h page 10 of 16 switching characteristics over the operating range [8, 9, 10, 11, 12] parameter description cy7b9930/40v-2 cy7b9930/40v-5 unit min. max. min. max. f in clock input frequency cy7b9930v 12 100 12 100 mhz cy7b9940v 24 200 24 200 mhz f out clock input frequency cy7b9930v 12 100 12 100 mhz cy7b9940v 24 200 24 200 mhz t skewpr matched pair skew [13, 14] ? 185 ? 185 ps t skewbnk intrabank skew [13, 14] ? 200 ? 250 ps t skew0 output-output skew (same freque ncy and phase, rise to rise, fall to fall) [13, 14] ? 250 ? 550 ps t skew1 output-output skew (same frequency and phase, other banks at different frequency, rise to rise, fall to fall) [13, 14] ? 250 ? 650 ps t ccj1-3 cycle-to-cycle jitter (divide by 1 output frequency, fb = divide by 1, 2, 3) ? 150 ? 150 ps peak- peak t ccj4-12 cycle-to-cycle jitter (divide by 1 output frequency, fb = divide by 4, 5, 6, 8, 10, 12) ? 100 ? 100 ps peak- peak t pd propagation delay, ref to fb rise ?250 250 ?500 500 ps t pddelta propagation delay difference between two devices [15] ? 200 200 ps t refpwh ref input (pulse width high) [16] 2.0 ? 2.0 ? ns t refpwl ref input (pulse width low) [16] 2.0 ? 2.0 ? ns t r /t f output rise/fall time [17] 0.15 2.0 0.15 2.0 ns t lock pll lock time from power up ? 10 ? 10 ms t relock1 pll relock time (from same frequency, different phase) with stable power supply ? 500 ? 500 ? s t relock2 pll relock time (from different frequency, different phase) with stable power supply [18] ? 1000 ? 1000 ? s t odcv output duty cycle deviation from 50% [12] ?1.0 1.0 ?1.0 1.0 ns t pwh output high time deviation from 50% [19] ? 1.5 ? 1.5 ns t pwl output low time deviation from 50% [19] ? 2.0 ? 2.0 ns t pdev period deviation when changing from reference to reference [20] ? 0.025 ? 0.025 ui t oaz dis[1:2] high to output high impedance from active [13, 21] 1.0 10 1.0 10 ns t oza dis[1:2] low to output active from output is high impedance [21, 22] 0.5 14 0.5 14 ns notes 8. this is for non-three level inputs. 9. assumes 25 pf max. load capacitance up to 185 mhz. at 200 mhz the max load is 10 pf. 10. both outputs of pair must be terminated, even if only one is being used. 11. each package must be properly decoupled. 12. ac parameters are measured at 1.5v, unless otherwise indicated. 13. test load c l = 25 pf, terminated to v cc /2 with 50 ? . 14. skew is defined as the time between the earliest and the la test output transition among all outputs for which the same phase delay has been selected when all outputs are loaded with 25 pf and properly terminated up to 185 mhz. at 200 mhz the max load is 10 pf. 15. guaranteed by statistical correlation. tested initially and afte r any design or process changes that may affect these parame ters. 16. tested initially and after any design or proces s changes that may affect these parameters. 17. rise and fall times are measured between 2.0v and 0.8v. 18. f nom must be within the frequency range defined by the same fs state. 19. t pwh is measured at 2.0v. t pwl is measured at 0.8v. 20. ui = unit interval. examples: 1 ui is a full period. 0.1 ui is 10% of period. 21. measured at 0.5v deviation from starting voltage. 22. for t oza minimum, c l = 0 pf. for t oza maximum, c l = 25 pf to 18 mhz, 10 pf from 185 to 200 mhz.
roboclockii? junior, cy7b9930v, cy7b9940v document number: 38-07271 rev. *h page 11 of 16 ac timing diagrams figure 3. ac timing diagrams [23] t pwl t pwh ref fb q t refpwh t refpwl t pd t ccj1-3,4-12 [1:4]q[a:b]0 [1:4]q[a:b]1 t skewpr [1:4]qa[0:1] [1:4]qb[0:1] t skewbnk t skewpr t skewbnk q other q t skew0,1 t skew0,1 2.0v 0.8v qfa0 or qfa1 or t odcv t odcv ref to device 1 and 2 fb device1 fb device2 t pd t pdelta t pdelta note 23. ac parameters are measured at 1.5 v, unless otherwise indicated.
roboclockii? junior, cy7b9930v, cy7b9940v document number: 38-07271 rev. *h page 12 of 16 ordering code definitions ordering information propagation delay (ps) max speed (mhz) ordering code package type operating range pb-free 500 100 CY7B9930V-5AXC 44-pin tqfp commercial 500 100 CY7B9930V-5AXCt 44-pin tqfp ? tape and reel commercial 500 200 cy7b9940v-5axc 44-pin tqfp commercial 500 200 cy7b9940v-5axct 44-pin tqfp ? tape and reel 250 200 cy7b9940v-2axc 44-pin tqfp commercial 250 200 cy7b9940v-2axct 44-pin tqfp ? tape and reel x blank or t blank = tube; t = tape and reel temperature range: c = commercial x = pb-free package type: a = 44-pin tqfp package v = 3.3 v base part number: 7b99x0 = 7b9930 or 7b9940 7b9930 = 12?100 mhz i/o operation clock buffer 7b9940 = 24?200 mhz i/o operation clock buffer company id: cy = cypress 7b99x0 cy x c x a v -
roboclockii? junior, cy7b9930v, cy7b9940v document number: 38-07271 rev. *h page 13 of 16 package diagram figure 4. 44-pin tqfp (10 10 1.4 mm) a44s package outline, 51-85064 51-85064 *e
roboclockii? junior, cy7b9930v, cy7b9940v document number: 38-07271 rev. *h page 14 of 16 acronyms document conventions units of measure acronym description emi electromagnetic interference lvpecl low-voltage positi ve-referenced emitter coupled logic lvttl low voltage transistor-transistor logic pll phase-locked loop tqfp thin quad flat pack vco voltage controlled oscillator symbol unit of measure c degree celsius mhz megahertz a microampere ma milliampere ms millisecond mv millivolt ns nanosecond ? ohm % percent pf picofarad ps picosecond vvolt
roboclockii? junior, cy7b9930v, cy7b9940v document number: 38-07271 rev. *h page 15 of 16 document history page document title: roboclockii? junior, cy7b9930v, cy 7b9940v, high speed multifrequency pll clock buffer document number: 38-07271 rev. ecn no. submission date orig. of change description of change ** 110536 12/02/01 szv change from spec number: 38-01141 *a 115109 7/03/02 hwt add 44tqfp package for both cy7b9930/40v ? industrial operating range *b 128463 7/29/03 rgl added clock input frequency (f in ) specifications in the switching characteristics table. added min. values for the clock output frequency (f out ) in the switching charac- teristics table. *c 1346903 8/8/07 wwz / ved / ari update the ordering info to reflect the current status and pb-free part numbers. implemented new template. updated the package diagram. *d 2894960 03/18/2010 kvm added table of contents removed part numbers cy7b9930v-5ac, cy7b9930v-5ai, cy7b9940v-5ac, cy7b9940v-5ai, cy7b9930v-2ac, cy7b9930v-2ai and cy7b9940v-2ai in ordering information table. updated package diagram added sales, solutions, and legal information *e 2906750 04/07/2010 kvm removed inactive part from ordering information table. *f 3053421 10/08/2010 cxq removed inactive parts cy7b9940v-2axi, cy7b9940v-2axit from ordering information table. added ordering code definition. *g 3859773 01/07/2013 aju updated ordering information (updated part numbers). updated package diagram : spec 51-85064 ? changed revision from *d to *e. *h 4177300 10/29/2013 cinm added acronyms and units of measure . updated in new template. completing sunset review.
document number: 38-07271 rev. *h revised october 29, 2013 page 16 of 16 roboclock ii is a trademark of cypress semiconductor corp. all other trademarks or registered trademarks referenced herein are property of the respective corporations. roboclockii? junior, cy7b9930v, cy7b9940v ? cypress semiconductor corporation, 2007-2013. the information contained herein is subject to change without notice. cypress s emiconductor corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a cypress product. nor does it convey or imply any license under patent or other rights. cypress products are not warranted nor intended to be used for medical, life support, life saving, critical control or safety applications, unless pursuant to an express written agreement wi th cypress. furthermore, cypress does not authorize its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. the inclusion of cypress products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies cypress against all charges. any source code (software and/or firmware) is owned by cypress semiconductor corporation (cypress) and is protected by and subj ect to worldwide patent protection (united states and foreign), united states copyright laws and internatio nal treaty provisions. cypress hereby grants to licensee a personal, non-exclusive, non-transferable license to copy, use, modify, create derivative works of, and compile the cypress source code and derivative works for the sole purpose of creating custom software and or firmware in su pport of licensee product to be used only in conjunction with a cypress integrated circuit as specified in the applicable agreement. any reproduction, modification, translation, compilation, or repre sentation of this source code except as specified above is prohibited without the express written permission of cypress. disclaimer: cypress makes no warranty of any kind, express or implied, with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. cypress reserves the right to make changes without further notice to t he materials described herein. cypress does not assume any liability arising out of the application or use of any product or circuit described herein. cypress does not authori ze its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. the inclusion of cypress? prod uct in a life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies cypress against all charges. use may be limited by and subject to the applicable cypress software license agreement. sales, solutions, and legal information worldwide sales and design support cypress maintains a worldwide network of offices, solution center s, manufacturer?s representatives, and distributors. to find t he office closest to you, visit us at cypress locations . products automotive cypress.co m/go/automotive clocks & buffers cypress.com/go/clocks interface cypress. com/go/interface lighting & power control cypress.com/go/powerpsoc cypress.com/go/plc memory cypress.com/go/memory psoc cypress.com/go/psoc touch sensing cyp ress.com/go/touch usb controllers cypress.com/go/usb wireless/rf cypress.com/go/wireless psoc ? solutions psoc.cypress.com/solutions psoc 1 | psoc 3 | psoc 4 | psoc 5lp cypress developer community community | forums | blogs | video | training technical support cypress.com/go/support

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