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DM137 Datasheet(PDF) 9 Page - Silicon Touch Technology Inc. |
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DM137 Datasheet(HTML) 9 Page - Silicon Touch Technology Inc. |
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9 / 32 page  點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC . 16-bit Constant Current LED Driver with Error Detection Version:A.001 Page 8 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. DM137 Switching Characteristics (VCC = 5.0V, Ta = 25°C unless otherwise noted) CHARACTERISTIC SYMBOL CONDITION MIN. TYP. MAX. UNIT EN-to-OUT15 ⎯ 18 ⎯ LAT-to-OUT15 ⎯ 20 ⎯ CLK-to-DAO (SDO = ‘L’) ⎯ 22 ⎯ Propagation Delay (‘L’ to ‘H’) CLK-to-DAO (SDO = ‘H’) tpLH ⎯ 15 ⎯ EN-to-OUT15 ⎯ 22 ⎯ LAT-to-OUT15 ⎯ 15 ⎯ CLK-to-DAO (SDO = ‘L’) ⎯ 20 ⎯ Propagation Delay (‘H’ to ‘L’) CLK-to-DAO (SDO = ‘H’) tpHL ⎯ 14 ⎯ Output Current Rise Time tor ⎯ 4.0 ⎯ Output Current Fall Time tof ⎯ 6.0 ⎯ Output Delay Time (OUT(n)-to-OUT(n+1)) tod VIH = VCC VIL = GND Rrext = 2.9 K Ω VL = 5.0 V CL *1 = 13 pF Ra = 470 Ω ⎯ 2.0 ⎯ ns Switching Characteristics (VCC = 3.3V, Ta = 25°C unless otherwise noted) CHARACTERISTIC SYMBOL CONDITION MIN. TYP. MAX. UNIT EN-to-OUT15 ⎯ 35 ⎯ LAT-to-OUT15 ⎯ 27 ⎯ CLK-to-DAO (SDO = ‘L’) ⎯ 20 ⎯ Propagation Delay (‘L’ to ‘H’) CLK-to-DAO (SDO = ‘H’) tpLH ⎯ 18 ⎯ EN-to-OUT15 ⎯ 24 ⎯ LAT-to-OUT15 ⎯ 31 ⎯ CLK-to-DAO (SDO = ‘L’) ⎯ 18 ⎯ Propagation Delay (‘H’ to ‘L’) CLK-to-DAO (SDO = ‘H’) tpHL ⎯ 19 ⎯ Output Current Rise Time tor ⎯ 43 ⎯ Output Current Fall Time tof ⎯ 9.0 ⎯ Output Delay Time (OUT(n)-to-OUT(n+1)) tod VIH = VCC VIL = GND Rrext = 2.9 K Ω VL = 5.0 V CL *1 = 13 pF Ra = 470 Ω ⎯ 2.8 ⎯ ns *1 CL means the probe capacitance of oscilloscope. |
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