Simple Practical Stable and Reliable 5V to 3.3V Circuit

Published:2011/6/15 10:58:00 Author:Michel | Keyword: Simple, Practical, Stable, Reliable, 5V to 3.3V Circuit | From:SeekIC

Reducing the power supply voltage can reduce dynamic power consumption thus electronic devices's work voltage drops from 5V to 3.3V even lower value such as 2.5V and 1.8V.Many chips still use 5 V power supply voltage because of kinds of restricting reasons.So in many designs, 5 V logic system and 3.3 V logic system with low voltage coexist.With the introduction of more low voltage standard, different power supply voltage and different logic level device interface problems will exist in a long time, therfore,there is a PWL conversion when devices interface.Level conversion module mainly uses the 74 ALVC164245 devices and it can achieve mutual conversion between 3.3 V voltage and 5 V voltage.



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