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DM114 Scheda tecnica(PDF) 8 Page - Silicon Touch Technology Inc. |
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DM114 Scheda tecnica(HTML) 8 Page - Silicon Touch Technology Inc. |
8 / 26 page DM114 、DM115 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 8-BIT CONSTANT CURRENT LED DRIVERS with 3.3V~5V supply voltage Version:A.007 Page 7 Switching Characteristics (Ta = 25 °C unless otherwise noted) DM114 CHARACTERISTIC SYMBOL CONDITION MIN. TYP. MAX. UNIT ENABLE-OUTn ⎯ 40 80 Propagation Delay Time (“L” to “H”) CLK-SOUT tpLH ⎯ 16 20 ns ENABLE-OUTn ⎯ 70 140 Propagation Delay Time (“H” to “L”) CLK-SOUT tpHL ⎯ 16 20 ns Output Current Rise Time tor ⎯ 250 400 ns Output Current Fall Time tof VDD=5.0V VIH=VDD VIL=GND REXT=210 Ω VL=5.0V RL=47 Ω CL=15pF ⎯ 30 50 ns DM115 CHARACTERISTIC SYMBOL CONDITION MIN. TYP. MAX. UNIT ENABLE-OUTn ⎯ 40 80 Propagation Delay Time (“L” to “H”) CLK-SOUT tpLH ⎯ 16 20 ns ENABLE-OUTn ⎯ 70 140 Propagation Delay Time (“H” to “L”) CLK-SOUT tpHL ⎯ 16 20 ns Output Current Rise Time tor ⎯ 10 15 ns Output Current Fall Time tof VDD=5.0V VIH=VDD VIL=GND REXT=630 Ω VL=5.0V RL=150 Ω CL=15pF ⎯ 30 50 ns Note: (Delay between outputs) The DM114、DM115 also incorporated the delay unit between outputs. The delay time is 4 ns(typ.), out7 has no delay, out5 has 4 ns delay, out 3 has 8 ns delay, and then out 1, out 0, out 2, out 4, out6. The delay is to prevent large current impulse. |
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