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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DM164 датащи(PDF) 7 Page - Silicon Touch Technology Inc. |
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DM164 датащи(HTML) 7 Page - Silicon Touch Technology Inc. |
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7 / 30 page  點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. DM164 8x3-CHANNEL CONSTANT CURRENT LED DRIVERS Version:A.002 Page 6 AC Characteristics (VDD = 5.0 V, Ta = 25°C, REXT = 3.9kΩ) CHARACTERISTIC SYMBOL CONDITION MIN. TYP. MAX. UNIT DCK Frequency FDCK Cascade operation ⎯ ⎯ 35 MHz DCK pulse duration Twhdk / Twldk High or low level ⎯ 13 ⎯ ns DCK rise/fall time Trdk/ Tfdk Single, CLoad=13pF ⎯ 5 ⎯ ns GCK Frequency FGCK Cascade operation ⎯ ⎯ 40 MHz GCK pulse duration Twhgk / Twlgk High or low level ⎯ 12 ⎯ ns GCK rise/fall time Trgk/ Tfgk Single, CLoad=13pF ⎯ 5 ⎯ ns Set-up Time for DIN Tsu0 Before DCK rising edge ⎯ 10 ⎯ ns Hold Time for DIN Th0 After DCK rising edge ⎯ 10 ⎯ ns Set-up Time for DCK Tsu1 Before LTH falling edge ⎯ 30 ⎯ ns LTH Pulse Width TwLTH ⎯ ⎯ 15 ⎯ ns Set-up Time for LTH Tsu2 Before GCK rising edge ⎯ 10 ⎯ ns Set-up Time for MSEL Tsu3 Before DCK rising edge ⎯ 10 ⎯ ns Hold Time for MSEL Th3 After DCK rising edge ⎯ 30 ⎯ ns AC Characteristics (VDD = 3.3 V, Ta = 25°C, REXT = 3.9kΩ) CHARACTERISTIC SYMBOL CONDITION MIN. TYP. MAX. UNIT DCK Frequency FDCK Cascade operation ⎯ ⎯ 30 MHz DCK pulse duration Twhdk / Twldk High or low level ⎯ 15 ⎯ ns DCK rise/fall time Trdk/ Tfdk Single, CLoad=13pF ⎯ 4 ⎯ ns GCK Frequency FGCK Cascade operation ⎯ ⎯ 36 MHz GCK pulse duration Twhgk / Twlgk High or low level ⎯ 13 ⎯ ns GCK rise/fall time Trgk/ Tfgk Single, CLoad=13pF ⎯ 4 ⎯ ns Set-up Time for DIN Tsu0 Before DCK rising edge ⎯ 10 ⎯ ns Hold Time for DIN Th0 After DCK rising edge ⎯ 10 ⎯ ns Set-up Time for DCK Tsu1 Before LTH falling edge ⎯ 30 ⎯ ns LTH Pulse Width TwLTH ⎯ ⎯ 15 ⎯ ns Set-up Time for LTH Tsu2 Before GCK rising edge ⎯ 10 ⎯ ns Set-up Time for MSEL Tsu3 Before DCK rising edge ⎯ 10 ⎯ ns Hold Time for MSEL Th3 After DCK rising edge ⎯ 30 ⎯ ns See Page 9: Timing Diagram |
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