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IC-NX Datasheet(PDF) 7 Page - IC-Haus GmbH |
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IC-NX Datasheet(HTML) 7 Page - IC-Haus GmbH |
7 / 10 page iC-NX 8-CHANNEL LIGHT-GRID PULSE DRIVER Rev C1, Page 7/10 OPERATING REQUIREMENTS: Logic Operating Conditions: VDD = 4.75...6.0 V, Ta = 0...70 °C, CL() = 50 pF, input levels lo = 0...0.45 V, hi = VDD - 0.45...VDD, see Fig. 1 for reference levels and waveforms Item Symbol Parameter Conditions Fig. Unit No. Min. Max. I001 ten Activation Time (standby to operation): DIN lo → hi before CLK lo → hi 4 5 µs I002 tset Setup time: DIN stable before CLK lo → hi 2 50 ns I003 thold Hold Time: DIN stable after CLK lo → hi 2 50 ns I004 tw LED Pulse time: 1st to 2nd CLK lo → hi 4 0.5 µs t V Vt()hi Vt()lo VDD − 0.45 V 0.45 V 0 1 Input/Output Figure 1: Reference levels CLK DIN Q1= SEND Q2 t DOUT Q3 SHEN V(LED) (CLK−DOUT) set1 t hold1 t set2 t hold2 t plh (CLK−DOUT) t phl Figure 2: Timing characteristics I(LED) t Ipk 10 % I pk 90 % I pk t r t f Figure 3: LED current pulse CLK DIN Q1 = SEND DOUT Q2 t phl (CLK−LED) Q3 t en I(LED) 10 % t w 90 % t plh (CLK−LED) SHEN I(SHEN) Figure 4: LED current pulse definition by clock signal (dashed line de- notes I(SHEN) in case of an interrupted LED path) |
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