HEF4794B-Q100 8-stage shift-and-store register LED driver Rev. 2 — 7 November 2018 Product data sheet 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 shifted 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 appears 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 available at QS1 on positive-going clock edges to allow high-speed operation in cascaded systems 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 power supply range of 3 V to 15 V referenced to V (usually DD SS ground). Unused inputs must be connected to V , V , or another input. DD SS 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 qualification 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-883, method 3015 exceeds 2000 V • HBM JESD22-A114F exceeds 2000 V • MM JESD22-A115-A exceeds 200 V (C = 200 pF; R = 0 Ω) • Complies with JEDEC standard JESD 13-B 3. Ordering information 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 package; 16 leads; body width 3.9 mm SOT109-1

Nexperia HEF4794B-Q100 8-stage shift-and-store register LED driver 4. Functional diagram 3 1 CP STR QS1 9 QS2 10 2 QP0 4 D 8-STAGE SHIFT 10 QS2 QP1 5 CP 3 REGISTER 9 QP2 6 QS1 2 D QP3 7 1 8-BIT STORAGE STR REGISTER QP4 14 QP5 13 QP6 12 OE 15 OPEN-DRAIN OUTPUTS QP7 11 OE 4 5 6 7 14 13 12 11 QP0 QP2 QP4 QP6 15 QP1 QP3 QP5 QP7 001aaf111 001aag798 Fig. 1. Logic symbol Fig. 2. Functional diagram STAGE 0 STAGES 1 TO 6 STAGE 7 D D Q D Q D Q QS1 CP CP FF 0 FF 7 D Q QS2 CP CP LE LATCH D Q D Q LE LE LATCH 0 LATCH 7 STR OE QP0 QP2 QP4 QP6 QP1 QP3 QP5 QP7 aaa-029301 Fig. 3. Logic diagram HEF4794B_Q100 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet Rev. 2 — 7 November 2018 2 / 14

Nexperia HEF4794B-Q100 8-stage shift-and-store register LED driver 5. Pinning information 5.1. Pinning HEF4794B STR 1 16 VDD D 2 15 OE CP 3 14 QP4 QP0 4 13 QP5 QP1 5 12 QP6 QP2 6 11 QP7 QP3 7 10 QS2 VSS 8 9 QS1 001aag800 Fig. 4. Pin configuration 5.2. Pin description Table 2. Pin description Symbol Pin Description D 2 serial input QP0 to QP7 4, 5, 6, 7, 14, 13, 12, 11 parallel output (open-drain) QS1 9 serial output QS2 10 serial output CP 3 clock input STR 1 strobe input OE 15 output enable input V 16 supply voltage DD V 8 ground (0 V) SS HEF4794B_Q100 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet Rev. 2 — 7 November 2018 3 / 14

Nexperia HEF4794B-Q100 8-stage shift-and-store register LED driver 6. Functional description Table 3. Function table 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. Input Parallel output Serial output CP OE STR D QP0 QPn QS1[1] QS2[2] ↑ L X X Z Z Q6S no change ↓ L X X Z Z n.c. Q7S ↑ H L X no change no change Q6S no change ↑ H H L Z QPn - 1 Q6S no change ↑ H H H L QPn - 1 Q6S no change ↓ H H H no change no change no change Q7S [1] Q6S = the data in register stage 6 before the LOW to HIGH clock transition. [2] Q7S = the data in register stage 7 before the HIGH to LOW clock transition. clock input data input strobe input output enable input internal Q0S (FF0) Z-state QP0 output internal Q6S (FF6) Z-state QP6 output serial QS1 output serial QS2 output 001aag801 Fig. 5. Timing diagram HEF4794B_Q100 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet Rev. 2 — 7 November 2018 4 / 14

Nexperia HEF4794B-Q100 8-stage shift-and-store register LED driver 7. Limiting values Table 4. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol Parameter Conditions Min Max Unit V supply voltage -0.5 +18 V DD I input clamping current V < -0.5 V or V > V + 0.5 V - ±10 mA IK I I DD V input voltage -0.5 V + 0.5 V I DD I output clamping current QSn outputs; - ±10 mA OK V < -0.5 V or V > V + 0.5 V O O DD QPn outputs; V < -0.5 V - 40 mA O I input leakage current - ±10 mA I I output current QSn outputs - ±10 mA O QPn outputs - 40 mA T storage temperature -65 +150 °C stg T ambient temperature -40 +125 °C amb P total power dissipation T = -40 °C to +125 °C tot amb SO16 package [1] - 500 mW P power dissipation per output - 100 mW [1] For SO16 package: Ptot derates linearly with 8 mW/K above 70 °C. 8. Recommended operating conditions Table 5. Recommended operating conditions Symbol Parameter Conditions Min Max Unit V supply voltage 3 15 V DD V input voltage 0 V V I DD T ambient temperature in free air -40 +125 °C amb Δt/ΔV input transition rise and fall rate V = 5 V - 3.75 μs/V DD V = 10 V - 0.5 μs/V DD V = 15 V - 0.08 μs/V DD HEF4794B_Q100 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet Rev. 2 — 7 November 2018 5 / 14

Nexperia HEF4794B-Q100 8-stage shift-and-store register LED driver 9. Static characteristics Table 6. Static characteristics V = 0 V; V = V or V ; unless otherwise specified. SS I SS DD Symbol Parameter Conditions V T = -40 °C T = 25 °C T = 85 °C T = 125 °C Unit DD amb amb amb amb Min Max Min Max Min Max Min Max V HIGH-level |I | < 1 μA 5 V 3.5 - 3.5 - 3.5 - 3.5 - V IH O input voltage 10 V 7.0 - 7.0 - 7.0 - 7.0 - V 15 V 11.0 - 11.0 - 11.0 - 11.0 - V V LOW-level input |I | < 1 μA 5 V - 1.5 - 1.5 - 1.5 - 1.5 V IL O voltage 10 V - 3.0 - 3.0 - 3.0 - 3.0 V 15 V - 4.0 - 4.0 - 4.0 - 4.0 V V HIGH-level QSn outputs; 5 V 4.95 - 4.95 - 4.95 - 4.95 - V OH output voltage |I | < 1 μA O 10 V 9.95 - 9.95 - 9.95 - 9.95 - V 15 V 14.95 - 14.95 - 14.95 - 14.95 - V V LOW-level QSn outputs; 5 V - 0.05 - 0.05 - 0.05 - 0.05 V OL output voltage |I | < 1 μA O 10 V - 0.05 - 0.05 - 0.05 - 0.05 V 15 V - 0.05 - 0.05 - 0.05 - 0.05 V QPn outputs; 5 V - 0.75 - 0.75 - 1.5 - 1.5 V |I | < 20 mA O 10 V - 0.75 - 0.75 - 1.5 - 1.5 V 15 V - 0.75 - 0.75 - 1.5 - 1.5 V I HIGH-level QSn outputs OH output current V = 2.5 V 5 V - -1.7 - -1.4 - -1.1 - -1.1 mA O V = 4.6 V 5 V - -0.64 - -0.5 - -0.36 - -0.36 mA O V = 9.5 V 10 V - -1.6 - -1.3 - -0.9 - -0.9 mA O V = 13.5 V 15 V - -4.2 - -3.4 - -2.4 - -2.4 mA O I LOW-level QSn outputs OL output current V = 0.4 V 5 V 0.64 - 0.5 - 0.36 - 0.36 - mA O V = 0.5 V 10 V 1.6 - 1.3 - 0.9 - 0.9 - mA O V = 1.5 V 15 V 4.2 - 3.4 - 2.4 - 2.4 - mA O I input leakage 15 V - ±0.1 - ±0.1 - ±1.0 - ±1.0 μA I current I OFF-state QPn output 5 V - 2 - 2 - 15 - 15 μA OZ output current is HIGH; 10 V - 2 - 2 - 15 - 15 μA V = 15 V O 15 V - 2 - 2 - 15 - 15 μA I supply current I = 0 A 5 V - 5 - 5 - 150 - 150 μA DD O 10 V - 10 - 10 - 300 - 300 μA 15 V - 20 - 20 - 600 - 600 μA C input - - - - - 7.5 - - - pF I capacitance HEF4794B_Q100 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet Rev. 2 — 7 November 2018 6 / 14

Nexperia HEF4794B-Q100 8-stage shift-and-store register LED driver 10. Dynamic characteristics Table 7. Dynamic characteristics V = 0 V; T = 25 °C unless otherwise specified. For test circuit, see Fig. 10. SS amb Symbol Parameter Conditions V Extrapolation formula Min Typ Max Unit DD t HIGH to LOW CP to QS1; 5 V [1] 132 ns + (0.55 ns/pF)C - 160 320 ns PHL L propagation delay see Fig. 6 10 V 53 ns + (0.23 ns/pF)C - 65 130 ns L 15 V 37 ns + (0.16 ns/pF)C - 45 90 ns L CP to QS2; 5 V 92 ns + (0.55 ns/pF)C - 120 240 ns L see Fig. 6 10 V 39 ns + (0.23 ns/pF)C - 50 100 ns L 15 V 32 ns + (0.16 ns/pF)C - 40 80 ns L t LOW to HIGH CP to QS1; 5 V [1] 102 ns + (0.55 ns/pF)C - 130 260 ns PLH L propagation delay see Fig. 6 10 V 44 ns + (0.23 ns/pF)C - 55 110 ns L 15 V 32 ns + (0.16 ns/pF)C - 40 80 ns L CP to QS2; 5 V 102 ns + (0.55 ns/pF)C - 130 260 ns L see Fig. 6 10 V 49 ns + (0.23 ns/pF)C - 60 120 ns L 15 V 37 ns + (0.16 ns/pF)C - 45 90 ns L t OFF-state to LOW CP to QPn; 5 V - 240 480 ns PZL propagation delay see Fig. 6 10 V - 80 160 ns 15 V - 55 110 ns STR to QPn; 5 V - 140 280 ns see Fig. 7 10 V - 70 140 ns 15 V - 55 110 ns t LOW to OFF-state CP to QPn; 5 V - 170 340 ns PLZ propagation delay see Fig. 6 10 V - 75 150 ns 15 V - 60 120 ns STR to QPn; 5 V - 100 200 ns see Fig. 7 10 V - 40 100 ns 15 V - 35 70 ns t enable time OE to QPn; 5 V [2] - 100 200 ns en see Fig. 8 10 V - 55 110 ns 15 V - 50 100 ns t disable time OE to QPn; 5 V [2] - 80 160 ns dis see Fig. 8 10 V - 40 80 ns 15 V - 30 60 ns t transition time QS1, QS2; 5 V [1][3] 35 ns + (1.00 ns/pF)C - 85 170 ns t L see Fig. 6 10 V 19 ns + (0.42 ns/pF)C - 40 80 ns L 15 V 16 ns + (0.28 ns/pF)C - 30 60 ns L t pulse width CP LOW and 5 V 60 30 - ns W HIGH; see Fig. 6 10 V 30 15 - ns 15 V 24 12 - ns STR HIGH; 5 V 80 40 - ns see Fig. 7 10 V 60 30 - ns 15 V 24 12 - ns HEF4794B_Q100 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet Rev. 2 — 7 November 2018 7 / 14

Nexperia HEF4794B-Q100 8-stage shift-and-store register LED driver Symbol Parameter Conditions V Extrapolation formula Min Typ Max Unit DD t set-up time D to CP; see Fig. 9 5 V 60 30 - ns su 10 V 20 10 - ns 15 V 15 5 - ns t hold time D to CP; see Fig. 9 5 V +5 -15 - ns h 10 V 20 5 - ns 15 V 20 5 - ns f maximum clock CP; see Fig. 6 5 V 5 10 - MHz clk(max) frequency 10 V 11 22 - MHz 15 V 14 28 - MHz [1] The typical values of the propagation delay and transition times are calculated from the extrapolation formulas shown (CL in pF). [2] ten is the same as tPZL and tdis is the same as tPLZ [3] tt is the same as tTLH and tTHL Table 8. Dynamic power dissipation P can be calculated from the formulas shown. V = 0 V; t = t ≤ 20 ns; T = 25 °C. D SS r f amb Symbol Parameter V Typical formula Where DD 2 P dynamic power dissipation 5 V P = 1 200 x f + Σ(f x C ) x V μW f = input frequency in MHz; D D i o L DD i 10 V P = 5 550 x f + Σ(f x C ) x V 2 μW fo = output frequency in MHz; D i o L DD C = output load capacitance in pF; 2 L 15 V PD = 15 000 x fi + Σ(fo x CL) x VDD μW Σ(fo × CL) = sum of the outputs; V = supply voltage in V. DD 10.1. Waveforms and test circuit 1/fclk(max) VI CP input VM VSS tW tW tPLZ tPZL VDD VY QPn output VX VOL tPLH tPHL VOH 90 % QS1 output VM 10 % VOL tTLH tTHL tPLH tPHL VOH 90 % QS2 output VM 10 % VOL tTLH tTHL 001aag222 Parallel output measurement points are given in Table 9. V and V are typical output voltage levels that occur with the output load. OL OH Fig. 6. Propagation delay clock (CP) to output (QPn, QS1, QS2), clock pulse width and maximum clock frequency HEF4794B_Q100 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet Rev. 2 — 7 November 2018 8 / 14

Nexperia HEF4794B-Q100 8-stage shift-and-store register LED driver Table 9. Measurement points Supply Input Output V V V V V DD M M X Y 5 V to 15 V 0.5V 0.5V 0.1V 0.9V DD DD O O VI CP input VM VSS VI STR input VM VSS tW tPLZ tPZL VDD VY QPn output VOL VX 001aag802 Measurement points are given in Table 9. V is the typical output voltage level that occurs with the output load. OL Fig. 7. Strobe (STR) to output (QPn) propagation delays and the strobe pulse width VI OE input VM VSS tPLZ tPZL outpuVt DD VY LOW to OFF-state OFF-state to LOW VOL VX outputs outputs outputs enabled disabled enabled 001aag803 Measurement points are given in Table 9. V is the typical output voltage level that occurs with the output load. OL Fig. 8. Enable and disable times for input OE VI CP input VM VSS tsu tsu th th VI D input VM VSS VDD QPn output VOL 001aag805 Measurement points are given in Table 9. The shaded areas indicate when the input is permitted to change for predictable output performance. V is the typical output voltage level that occurs with the output load. OL Fig. 9. Set-up and hold times for the data input (D) HEF4794B_Q100 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet Rev. 2 — 7 November 2018 9 / 14

Nexperia HEF4794B-Q100 8-stage shift-and-store register LED driver VI 90 % input pulse 10 % VSS tr tf VEXT VDD RL VI VO G DUT RT CL 001aag804 Test data is given in Table 10. Definitions for test circuit: DUT - Device Under Test. R = Load resistance. L C = load capacitance. L R = Termination resistance should be equal to output impedance of Z of the pulse generator. T o V = External voltage for measuring switching times. EXT Fig. 10. Test circuit for measuring switching times Table 10. Test data Supply Input V Load EXT V V t, t t , t t , t C R DD I r f PLZ PZL PLH PHL L L 5 V to 15 V V ≤ 20 ns V open 50 pF 1 kΩ DD DD 11. Application information VDD VDD QP0 QP7 QP0 QP7 D HEF4794B S2 D HEF4794B S2 OE STR CP OE STR CP PWM dimmer input CONTROL AND SYNC CIRCUITRY 001aag806 data clock from remote control panel Fig. 11. Application example: serial-to-parallel data converting LED drivers HEF4794B_Q100 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet Rev. 2 — 7 November 2018 10 / 14

Nexperia HEF4794B-Q100 8-stage shift-and-store register LED driver 12. Package outline SO16: plastic small outline package; 16 leads; body width 3.9 mm SOT109-1 D E A X c y H E v M A Z 16 9 Q A 2 A 1 (A 3 ) A pin 1 index θ L p 1 8 L e w M detail X b p 0 2.5 5 mm scale DIMENSIONS (inch dimensions are derived from the original mm dimensions) UNIT mAax . A 1 A 2 A 3 b p c D (1) E (1) e H E L L p Q v w y Z (1) θ 0.25 1.45 0.49 0.25 10.0 4.0 6.2 1.0 0.7 0.7 mm 1.75 0.25 1.27 1.05 0.2 5 0.25 0.1 0.10 1.25 0.36 0.19 9.8 3.8 5.8 0.4 0.6 0.3 8 o 0.010 0.057 0.019 0.0100 0.39 0.16 0.244 0.039 0.028 0.028 0 o inches 0.069 0.01 0.05 0.041 0.01 0.01 0.004 0.004 0.049 0.014 0.0075 0.38 0.15 0.228 0.016 0.020 0.012 Note 1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included. OUTLINE REFERENCES EUROPEAN ISSUE DATE VERSION IEC JEDEC JEITA PROJECTION 99-12-27 SOT109-1 076E07 MS-012 03-02-19 Fig. 12. Package outline SOT109-1 (SO16) HEF4794B_Q100 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet Rev. 2 — 7 November 2018 11 / 14

Nexperia HEF4794B-Q100 8-stage shift-and-store register LED driver 13. Revision history Table 11. Revision history Document ID Release date Data sheet status Change notice Supersedes HEF4794B_Q100 v.2 20181107 Product data sheet - HEF4794B _Q100 v.1 Modifications: • The format of this data sheet has been redesigned to comply with the identity guidelines of Nexperia. • Legal texts have been adapted to the new company name where appropriate. • Fig. 5 corrected. HEF4794B _Q100 v.1 20120807 Product data sheet - - HEF4794B_Q100 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet Rev. 2 — 7 November 2018 12 / 14

Nexperia HEF4794B-Q100 8-stage shift-and-store register LED driver equipment, nor in applications where failure or malfunction of an Nexperia 14. Legal information product can reasonably be expected to result in personal injury, death or severe property or environmental damage. Nexperia and its suppliers accept no liability for inclusion and/or use of Nexperia products in such equipment or applications and therefore such inclusion and/or use is at the customer's own Data sheet status risk. Quick reference data — The Quick reference data is an extract of the Document status Product Definition product data given in the Limiting values and Characteristics sections of this [1][2] status [3] document, and as such is not complete, exhaustive or legally binding. Objective [short] Development This document contains data from Applications — Applications that are described herein for any of these data sheet the objective specification for products are for illustrative purposes only. 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Nexperia HEF4794B-Q100 8-stage shift-and-store register LED driver 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 10.1. Waveforms and test circuit........................................8 11. Application information............................................10 12. Package outline........................................................11 13. Revision history........................................................12 14. Legal information......................................................13 © Nexperia B.V. 2018. All rights reserved For more information, please visit: http://www.nexperia.com For sales office addresses, please send an email to: salesaddresses@nexperia.com Date of release: 7 November 2018 HEF4794B_Q100 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet Rev. 2 — 7 November 2018 14 / 14