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ISL54103 - DDC Accelerator

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ISL54103 DDC Accelerator (DDCA) httpcsNo:nO//twaRcwEtwCo.OurerMnETMeOescELahNsPnD.cRicEoOaDmlDSR/UsuEuCpPpTpLpoAorrCtt/CEceMonnEtteNarcTta.thtml DATASHEET FN6303 Rev 2.00 October 14, 2011 The ISL54103 DDC Accelerator (DDCA) is a dual active pull-up bus terminator designed to improve data transmission speed on the DDC 2-wire serial bus interfaces. The DDCA detects rising input transitions with two internal voltage references and two comparators per channel. After the voltage on a data line crosses the first threshold (VTRIPL), the boost pull-up current source is activated to speed transition. After the voltage crosses the second threshold (VTRIPH), the boost pull-up current source is de-activated, leaving an active pull-up current of 275µA on the line.
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