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1. general description the HEF4794B-Q100 is an 8-stage serial shift register. it has a storage latch associated with each stage for strobing data from the serial input (d) to the parallel led driver outputs (qp0 to qp7). data is shifte d on the positive-going clock (cp) transitions. the data in each shift register stage is transferred to the storage register when the strobe input (str) is high. data in the storage register appear s at the outputs whenever the output enable input (oe) signal is high. two serial outputs (qs1 and qs2) are available for cascading a number of HEF4794B-Q100 devices. serial data is ava ilable at qs1 on positive-going clock edges to allow high-speed operation in cascaded system s with a fast clock rise time. the same serial data is available at qs2 on the next negative going clock edge. this is used for cascading HEF4794B-Q100 devices when the clock has a slow rise time. it operates over a recommended v dd power supply range of 3 v to 15 v referenced to v ss (usually ground). connect unused inputs to v dd , v ss , or another input. this product has been qualified to the automotive electronics council (aec) standard q100 (grade 1) and is suitable for use in automotive applications. 2. features and benefits ? automotive product qualif ication in accordance with aec-q100 (grade 1) ? specified from ? 40 ? c to +85 ? c and from ? 40 ? c to +125 ? c ? fully static operation ? 5 v, 10 v, and 15 v parametric ratings ? standardized symmetrical output characteristics ? esd protection: ? mil-std-833, method 3015 exceeds 2000 v ? hbm jesd22-a114f exceeds 2000 v ? mm jesd22-a115-a exceeds 200 v (c = 200 pf, r = 0 ? ) ? complies with jedec standard jesd 13-b 3. ordering information HEF4794B-Q100 8-stage shift-and-store register led driver rev. 1 ? 7 august 2012 product data sheet table 1. ordering information all types operate from ? 40 ? c to +125 ? c. type number package name description version hef4794bt-q100 so16 plastic small outline pa ckage; 16 leads; body width 3.9 mm sot109-1
hef4794b_q100 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 august 2012 2 of 17 nxp semiconductors HEF4794B-Q100 8-stage shift-and-store register led driver 4. functional diagram fig 1. logic symbol fig 2. functional diagram 15 2 oe d cp str 31 qp0 qp1 qp2 qp3 qp4 qp5 qp6 qp7 qs1 qs2 9 10 4 5 6 7 14 13 12 11 001aaf111 001aag798 8-stage shift register 8-bit storage register open-drain outputs 4 qp0 5 qp1 6 qp2 7 qp3 14 qp4 13 qp5 12 qp6 11 qp7 10 qs2 9 qs1 d 2 cp 3 str 1 oe 15 fig 3. logic diagram 001aag799 d d cp cp q ff 0 d le q latch 0 d cp q ff 7 d le q latch 7 d cp q stages 1 to 6 stage 0 stage 7 qp2 qp0 d qs2 qs1 le q latch qp1 qp4 qp3 qp6 qp5 qp7 str oe
hef4794b_q100 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 august 2012 3 of 17 nxp semiconductors HEF4794B-Q100 8-stage shift-and-store register led driver 5. pinning information 5.1 pinning 5.2 pin description fig 4. pin configuration

table 2. pin description symbol pin description d 2 serial input qp0 to qp7 4, 5, 6, 7, 14, 13, 12, 11 parallel output qs1 9 serial output qs2 10 serial output cp 3 clock input str 1 strobe input oe 15 output enable input v dd 16 supply voltage v ss 8 ground (0 v)
hef4794b_q100 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 august 2012 4 of 17 nxp semiconductors HEF4794B-Q100 8-stage shift-and-store register led driver 6. functional description [1] h = high voltage level; l = low voltage level; x = don?t care; z = high-impedance off-state; ? = low-to-high clock transition; ? = high-to-low clock transition. [2] q6s = the data in register stage 6 before the low to high clock transition. [3] q7s = the data in register stage 7 before the high to low clock transition. table 3. function table [1] input parallel output serial output cp oe str d qp0 qpn qs1 [2] qs2 [3] ? l x x z z q6s no change ? l xxzzn.c.q7s ? h l x no change no change q6s no change ? hhl z qpn ?? 1 q6s no change ? hhhl qpn ?? 1 q6s no change ? h h h no change no change no change q7s fig 5. timing diagram 001aag801 clock input data input strobe input output enable input internal q0s (ff0) qp0 output internal q6s (ff6) qp6 output serial qs1 output serial qs2 output z-state z-state
hef4794b_q100 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 august 2012 5 of 17 nxp semiconductors HEF4794B-Q100 8-stage shift-and-store register led driver 7. limiting values [1] for so16 package: p tot derates linearly wi th 8 mw/k above 70 ? c. 8. recommended operating conditions table 4. limiting values in accordance with the absolute ma ximum rating system (iec 60134). symbol parameter conditions min max unit v dd supply voltage ? 0.5 +18 v i ik input clamping current v i < ? 0.5 v or v i >v dd + 0.5 v - ? 10 ma v i input voltage ? 0.5 v dd + 0.5 v i ok output clamping current qsn outputs; v o < ? 0.5 v or v o >v dd + 0.5 v - ? 10 ma qpn outputs; v o < ? 0.5 v - 40 ma i i input leakage current - ? 10 ma i o output current qsn outputs - ? 10 ma qpn outputs - 40 ma t stg storage temperature ? 65 +150 ?c t amb ambient temperature ? 40 +125 ?c p tot total power dissipation t amb = ? 40 ? c to +125 ?c [1] -5 0 0m w p power dissipation per output - 100 mw table 5. recommended operating conditions symbol parameter conditions min max unit v dd supply voltage 3 15 v v i input voltage 0 v dd v t amb ambient temperature in free air ? 40 +125 ?c ? t/ ? v input transition rise and fall rate v dd = 5 v - 3.75 ? s/v v dd = 10 v - 0.5 ? s/v v dd = 15 v - 0.08 ? s/v
hef4794b_q100 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 august 2012 6 of 17 nxp semiconductors HEF4794B-Q100 8-stage shift-and-store register led driver 9. static characteristics table 6. static characteristics v ss = 0 v; v i = v ss or v dd ; unless otherwise specified. symbol parameter conditions v dd t amb = ? 40 ?c t amb = 25 ? c t amb = 85 ?c t amb = 125 ?c unit min max min max min max min max v ih high-level input voltage ?i o ? < 1 ? a 5 v 3.5 - 3.5 - 3.5 - 3.5 - v 10 v 7.0 - 7.0 - 7.0 - 7.0 - v 15 v 11.0 - 11.0 - 11.0 - 11.0 - v v il low-level input voltage ?i o ? < 1 ? a 5 v - 1.5 - 1.5 - 1.5 - 1.5 v 10 v - 3.0 - 3.0 - 3.0 - 3.0 v 15 v - 4.0 - 4.0 - 4.0 - 4.0 v v oh high-level output voltage qsn outputs; ?i o ? < 1 ? a 5 v 4.95 - 4.95 - 4.95 - 4.95 - v 10 v 9.95 - 9.95 - 9.95 - 9.95 - v 15 v 14.95 - 14.95 - 14.95 - 14.95 - v v ol low-level output voltage qsn outputs; ?i o ? < 1 ? a 5 v - 0.05 - 0.05 - 0.05 - 0.05 v 10 v - 0.05 - 0.05 - 0.05 - 0.05 v 15 v - 0.05 - 0.05 - 0.05 - 0.05 v qpn outputs; ?i o ? < 20 ma 5 v - 0.75 - 0.75 - 1.5 - 1.5 v 10 v - 0.75 - 0.75 - 1.5 - 1.5 v 15 v - 0.75 - 0.75 - 1.5 - 1.5 v i oh high-level output current qsn outputs v o = 2.5 v 5 v - ? 1.7 - ? 1.4 - ? 1.1 - ? 1.1 ma v o = 4.6 v 5 v - ? 0.64 - ? 0.5 - ? 0.36 - ? 0.36 ma v o = 9.5 v 10 v - ? 1.6 - ? 1.3 - ? 0.9 - ? 0.9 ma v o = 13.5 v 15 v - ? 4.2 - ? 3.4 - ? 2.4 - ? 2.4 ma i ol low-level output current qsn outputs v o = 0.4 v 5 v 0.64 - 0.5 - 0.36 - 0.36 - ma v o = 0.5 v 10 v 1.6 - 1.3 - 0.9 - 0.9 - ma v o = 1.5 v 15 v 4.2 - 3.4 - 2.4 - 2.4 - ma i i input leakage current 15 v - ? 0.1 - ? 0.1 - ? 1.0 - ? 1.0 ? a i oz off-state output current qpn output is high; v o =15v 5 v - 2 - 2 - 15 - 15 ? a 10 v - 2 - 2 - 15 - 15 ? a 15 v - 2 - 2 - 15 - 15 ? a i dd supply current i o = 0 a 5 v - 5 - 5 - 150 - 150 ? a 10 v - 10 - 10 - 300 - 300 ? a 15 v - 20 - 20 - 600 - 600 ? a c i input capacitance -----7.5---pf
hef4794b_q100 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 august 2012 7 of 17 nxp semiconductors HEF4794B-Q100 8-stage shift-and-store register led driver 10. dynamic characteristics table 7. dynamic characteristics v ss = 0 v; t amb = 25 ? c unless otherwise specified. for test circuit, see figure 10 . symbol parameter conditions v dd extrapolation formula min typ max unit t phl high to low propagation delay cp to qs1; see figure 6 5 v [1] 132 ns + (0.55 ns/pf)c l -160320ns 10 v 53 ns + (0.23 ns/pf)c l - 65 130 ns 15 v 37 ns + (0.16 ns/pf)c l - 4590ns cp to qs2; see figure 6 5 v 92 ns + (0.55 ns/pf)c l -120240ns 10 v 39 ns + (0.23 ns/pf)c l - 50 100 ns 15 v 32 ns + (0.16 ns/pf)c l - 4080ns t plh low to high propagation delay cp to qs1; see figure 6 5 v [1] 102 ns + (0.55 ns/pf)c l -130260ns 10 v 44 ns + (0.23 ns/pf)c l -55110ns 15 v 32 ns + (0.16 ns/pf)c l - 4080ns cp to qs2; see figure 6 5 v 102 ns + (0.55 ns/pf)c l -130260ns 10 v 49 ns + (0.23 ns/pf)c l - 60 120 ns 15 v 37 ns + (0.16 ns/pf)c l - 4590ns t pzl off-state to low propagation delay cp to qpn; see figure 6 5 v - 240 480 ns 10 v - 80 160 ns 15 v - 55 110 ns str to qpn; see figure 7 5 v - 140 280 ns 10 v - 70 140 ns 15 v - 55 110 ns t plz low to off-state propagation delay cp to qpn; see figure 6 5 v - 170 340 ns 10 v - 75 150 ns 15 v - 60 120 ns str to qpn; see figure 7 5 v - 100 200 ns 10 v - 40 100 ns 15 v - 35 70 ns t en enable time oe to qpn; see figure 8 5 v [2] -100200ns 10 v - 55 110 ns 15 v - 50 100 ns t dis disable time oe to qpn; see figure 8 5 v [2] - 80 160 ns 10 v - 40 80 ns 15 v - 30 60 ns t t transition time qs1, qs2; see figure 6 5 v [1] [3] 35 ns + (1.00 ns/pf)c l - 85 170 ns 10 v 19 ns + (0.42 ns/pf)c l - 4080ns 15 v 16 ns + (0.28 ns/pf)c l - 3060ns
hef4794b_q100 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 august 2012 8 of 17 nxp semiconductors HEF4794B-Q100 8-stage shift-and-store register led driver [1] the typical values of the propagation delay and transition times are calculated from the extrapolation formulas shown (c l in pf). [2] t en is the same as t pzl and t dis is the same as t plz [3] t t is the same as t tlh and t thl t w pulse width cp; low and high; see figure 6 5 v 60 30 - ns 10 v 30 15 - ns 15 v 24 12 - ns str; high; see figure 7 5 v 80 40 - ns 10 v 60 30 - ns 15 v 24 12 - ns t su set-up time d to cp; see figure 9 5 v 60 30 - ns 10 v 20 10 - ns 15 v 15 5 - ns t h hold time d to cp; see figure 9 5 v +5 ? 15 - ns 10 v 20 5 - ns 15 v 20 5 - ns f clk(max) maximum clock frequency cp; see figure 6 5 v 5 10 - mhz 10 v 11 22 - mhz 15 v 14 28 - mhz table 7. dynamic characteristics ?continued v ss = 0 v; t amb = 25 ? c unless otherwise specified. for test circuit, see figure 10 . symbol parameter conditions v dd extrapolation formula min typ max unit table 8. dynamic power dissipation p d can be calculated from the formulas shown. v ss = 0 v; t r = t f ? 20 ns; t amb = 25 ? c. symbol parameter v dd typical formula where p d dynamic power dissipation 5 v p d = 1200 ? f i + ? (f o ? c l ) ? v dd 2 ? wf i = input frequency in mhz; f o = output frequency in mhz; c l = output load capacitance in pf; ? (f o ? c l ) = sum of the outputs; v dd = supply voltage in v. 10 v p d = 5550 ? f i + ? (f o ? c l ) ? v dd 2 ? w 15 v p d = 15000 ? f i + ? (f o ? c l ) ? v dd 2 ? w
hef4794b_q100 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 august 2012 9 of 17 nxp semiconductors HEF4794B-Q100 8-stage shift-and-store register led driver 11. waveforms parallel output measurement points are given in table 9 . v ol and v oh are typical output voltage levels that occur with the output load. fig 6. propagation delay clock (cp) to output (qpn , qs1, qs2), clock pulse width and maximum clock frequency 001aag222 t plh 1/f clk(max) v m v m v x v i v ss v dd v ol v ol v ol t w t plz t plh t pzl v y cp input qs1 output qs2 output t thl t tlh 90 % 10 % v m 90 % 10 % t phl t thl t tlh qpn output t w t phl v oh v oh table 9. measurement points supply input output v dd v m v m v x v y 5 v to 15 v 0.5v dd 0.5v dd 0.1v o 0.9v o measurement points are given in table 9 . v ol is the typical output voltage level that occurs with the output load. fig 7. strobe (str) to output (qpn) propagation delays and the strobe pulse width 001aag802 cp input t w t plz t pzl v m v m v x v y v i v ss v i v ss str input v dd v ol qpn output
hef4794b_q100 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 august 2012 10 of 17 nxp semiconductors HEF4794B-Q100 8-stage shift-and-store register led driver measurement points are given in table 9 . v ol is the typical output voltage level that occurs with the output load. fig 8. enable and disable times for input oe 001aag803 oe input output low to off-state off-state to low v i v m v x t pzl t plz outputs disabled outputs enabled outputs enabled v y v ss v dd v ol measurement points are given in table 9 . the shaded areas indicate when the input is per mitted to change for predictable output performance. v ol is the typical output voltage level that occurs with the output load. fig 9. set-up and hold time s for the data input (d) v i v m t su t h t su t h v m v ss v i v ss v dd cp input d input qpn output 001aag805 v ol
hef4794b_q100 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 august 2012 11 of 17 nxp semiconductors HEF4794B-Q100 8-stage shift-and-store register led driver test data is given in table 10 . definitions for test circuit: dut - device under test. r l = load resistance. c l = load capacitance. r t = termination resistance should be equal to output impedance of z o of the pulse generator. v ext = external voltage for measuring switching times. fig 10. test circuit for measuring switching times 001aag804 dut v ext r t c l r l t r 10 % 90 % t f v i v i v o v dd v ss input pulse g table 10. test data supply input v ext load v dd v i t r , t f t plz , t pzl t plh , t phl c l r l 5 v to 15 v v dd ? 20 ns v dd open 50 pf 1 k ?
hef4794b_q100 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 august 2012 12 of 17 nxp semiconductors HEF4794B-Q100 8-stage shift-and-store register led driver 12. application information application example: serial-to-parallel data converting led drivers. fig 11. serial-to-parallel converting led drivers

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hef4794b_q100 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 august 2012 13 of 17 nxp semiconductors HEF4794B-Q100 8-stage shift-and-store register led driver 13. package outline fig 12. package outline sot109-1 (so16) x w m a a 1 a 2 b p d h e l p q detail x e z e c l v m a (a ) 3 a 8 9 1 16 y pin 1 index unit a max. a 1 a 2 a 3 b p cd (1) e (1) (1) eh e ll p qz ywv references outline version european projection issue date iec jedec jeita mm inches 1.75 0.25 0.10 1.45 1.25 0.25 0.49 0.36 0.25 0.19 10.0 9.8 4.0 3.8 1.27 6.2 5.8 0.7 0.6 0.7 0.3 8 0 o o 0.25 0.1 dimensions (inch dimensions are derived from the original mm dimensions) note 1. plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included. 1.0 0.4 sot109-1 99-12-27 03-02-19 076e07 ms-012 0.069 0.010 0.004 0.057 0.049 0.01 0.019 0.014 0.0100 0.0075 0.39 0.38 0.16 0.15 0.05 1.05 0.041 0.244 0.228 0.028 0.020 0.028 0.012 0.01 0.25 0.01 0.004 0.039 0.016 0 2.5 5 mm scale so16: plastic small outline package; 16 leads; body width 3.9 mm sot109-1
hef4794b_q100 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 august 2012 14 of 17 nxp semiconductors HEF4794B-Q100 8-stage shift-and-store register led driver 14. abbreviations 15. revision history table 11. abbreviations acronym description hbm human body model esd electrostatic discharge mm machine model mil military table 12. revision history document id release date data sheet status change notice supersedes hef4794b_q100 v.1 20120807 product data sheet - -
hef4794b_q100 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 august 2012 15 of 17 nxp semiconductors HEF4794B-Q100 8-stage shift-and-store register led driver 16. legal information 16.1 data sheet status [1] please consult the most recently issued document before initiating or completing a design. [2] the term ?short data sheet? is explained in section ?definitions?. [3] the product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple device s. the latest product status information is available on the internet at url http://www.nxp.com . 16.2 definitions draft ? the document is a draft versi on only. the content is still under internal review and subject to formal approval, which may result in modifications or additions. nxp semiconductors does not give any representations or warranties as to the accuracy or completeness of information included herein and shall hav e no liability for the consequences of use of such information. short data sheet ? a short data sheet is an extract from a full data sheet with the same product type number(s) and title. a short data sheet is intended for quick reference only and should not be relied upon to contain detailed and full information. for detailed and full information see the relevant full data sheet, which is available on request vi a the local nxp semiconductors sales office. in case of any inconsistency or conflict with the short data sheet, the full data sheet shall prevail. product specification ? the information and data provided in a product data sheet shall define the specification of the product as agreed between nxp semiconductors and its customer , unless nxp semiconductors and customer have explicitly agreed otherwis e in writing. in no event however, shall an agreement be valid in which the nxp semiconductors product is deemed to offer functions and qualities beyond those described in the product data sheet. 16.3 disclaimers limited warranty and liability ? information in this document is believed to be accurate and reliable. however, nxp semiconductors does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such info rmation. nxp semiconductors takes no responsibility for the content in this document if provided by an information source outside of nxp semiconductors. in no event shall nxp semiconductors be liable for any indirect, incidental, punitive, special or consequential damages (including - without limitation - lost profits, lost savings, business interruption, costs related to the removal or replacement of any products or rework charges) whether or not such damages are based on tort (including negligence), warranty, breach of contract or any other legal theory. notwithstanding any damages that customer might incur for any reason whatsoever, nxp semiconductors? aggregate and cumulative liability towards customer for the products described herein shall be limited in accordance with the terms and conditions of commercial sale of nxp semiconductors. right to make changes ? nxp semiconductors reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. this document supersedes and replaces all information supplied prior to the publication hereof. suitability for use in automotive applications ? this nxp semiconductors product has been qualified for use in automotive applications. unless otherwise agreed in writing, the product is not designed, authorized or warranted to be suitable for use in life support, life-critical or safety-critical systems or equipment, nor in applications where failure or malfunction of an nxp semiconductors product can reasonably be expected to result in personal injury, death or severe property or environmental damage. nxp semiconductors and its suppliers accept no liability for inclusion and/or use of nxp semiconducto rs products in such equipment or applications and therefore such inclusion and/or use is at the customer's own risk. applications ? applications that are described herein for any of these products are for illustrative purpos es only. nxp semiconductors makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. customers are responsible for the design and operation of their applications and products using nxp semiconductors products, and nxp semiconductors accepts no liability for any assistance with applications or customer product design. it is customer?s sole responsibility to determine whether the nxp semiconductors product is suitable and fit for the customer?s applications and products planned, as well as fo r the planned application and use of customer?s third party customer(s). customers should provide appropriate design and operating safeguards to minimize the risks associated with their applications and products. nxp semiconductors does not accept any liability related to any default, damage, costs or problem which is based on any weakness or default in the customer?s applications or products, or the application or use by customer?s third party customer(s). customer is responsible for doing all necessary testing for the customer?s applic ations and products using nxp semiconductors products in order to av oid a default of the applications and the products or of the application or use by customer?s third party customer(s). nxp does not accept any liability in this respect. limiting values ? stress above one or more limiting values (as defined in the absolute maximum ratings system of iec 60134) will cause permanent damage to the device. limiting values are stress ratings only and (proper) operation of the device at these or any other conditions above those given in the recommended operating conditions section (if present) or the characteristics sections of this document is not warranted. constant or repeated exposure to limiting values will permanently and irreversibly affect the quality and reliability of the device. terms and conditions of commercial sale ? nxp semiconductors products are sold subject to the gener al terms and conditions of commercial sale, as published at http://www.nxp.com/profile/terms , unless otherwise agreed in a valid written individual agreement. in case an individual agreement is concluded only the terms and conditions of the respective agreement shall apply. nxp semiconductors hereby expressly objects to applying the customer?s general terms and conditions with regard to the purchase of nxp semiconducto rs products by customer. document status [1] [2] product status [3] definition objective [short] data sheet development this document contains data from the objecti ve specification for product development. preliminary [short] data sheet qualification this document contains data from the preliminary specification. product [short] data sheet production this document contains the product specification.
hef4794b_q100 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2012. all rights reserved. product data sheet rev. 1 ? 7 august 2012 16 of 17 nxp semiconductors HEF4794B-Q100 8-stage shift-and-store register led driver no offer to sell or license ? nothing in this document may be interpreted or construed as an offer to sell products t hat is open for acceptance or the grant, conveyance or implication of any licens e under any copyrights, patents or other industrial or intellectual property rights. export control ? this document as well as the item(s) described herein may be subject to export control regu lations. export might require a prior authorization from competent authorities. translations ? a non-english (translated) version of a document is for reference only. the english version shall prevail in case of any discrepancy between the translated and english versions. 16.4 trademarks notice: all referenced brands, produc t names, service names and trademarks are the property of their respective owners. 17. contact information for more information, please visit: http://www.nxp.com for sales office addresses, please send an email to: salesaddresses@nxp.com
nxp semiconductors HEF4794B-Q100 8-stage shift-and-store register led driver ? nxp b.v. 2012. all rights reserved. for more information, please visit: http://www.nxp.com for sales office addresses, please se nd an email to: salesaddresses@nxp.com date of release: 7 august 2012 document identifier: hef4794b_q100 please be aware that important notices concerning this document and the product(s) described herein, have been included in section ?legal information?. 18. contents 1 general description . . . . . . . . . . . . . . . . . . . . . . 1 2 features and benefits . . . . . . . . . . . . . . . . . . . . 1 3 ordering information . . . . . . . . . . . . . . . . . . . . . 1 4 functional diagram . . . . . . . . . . . . . . . . . . . . . . 2 5 pinning information . . . . . . . . . . . . . . . . . . . . . . 3 5.1 pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 5.2 pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3 6 functional description . . . . . . . . . . . . . . . . . . . 4 7 limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 5 8 recommended operating conditions. . . . . . . . 5 9 static characteristics. . . . . . . . . . . . . . . . . . . . . 6 10 dynamic characteristics . . . . . . . . . . . . . . . . . . 7 11 waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 12 application information. . . . . . . . . . . . . . . . . . 12 13 package outline . . . . . . . . . . . . . . . . . . . . . . . . 13 14 abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 14 15 revision history . . . . . . . . . . . . . . . . . . . . . . . . 14 16 legal information. . . . . . . . . . . . . . . . . . . . . . . 15 16.1 data sheet status . . . . . . . . . . . . . . . . . . . . . . 15 16.2 definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 16.3 disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 16.4 trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 16 17 contact information. . . . . . . . . . . . . . . . . . . . . 16 18 contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

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