RS0104 Level Conversion Chip Provides Four Data Lines, mainly Used for Communication Interfaces Such as SPI, I²S, Bus Interface
Level shift and voltage conversion in the power supply system are two different function chips. The level shift is for the signal line level. For example, the GPIO port of the MCU has a working voltage of 3.3V, and the GPIO of the DSP is 1.8 V, the communication between them cannot be directly connected, and the level adaptation process is needed to communicate.
RS0104 level conversion chip provides four data lines, mainly used for communication interfaces such as SPI, I²S, bus interface, GPIO, etc., automatically recognizes the direction, and is compatible with push-pull output architecture and open-drain output architecture. Its main features are as follows:
●No need for data direction control
●The push-pull architecture supports a 24Mbps data rate, and the open-drain architecture supports a 2Mbps data rate
●A side supports 1.65V~5.5V, B side supports 2.3V~5.5V
●A and B side power supplies are isolated from each other
●No power-on sequence requirements
●Operating Temp. : -40℃~+85℃.
Fig.1 Typical application circuit diagram
It should be noted that the supply voltage of VCCA cannot be greater than VCCB, that is, side A is connected to the low-voltage system, and side B is connected to the high-voltage system.
RS0104 provides a variety of general packages, including TSSOP, QFN3.5x3.5 and QFN 2x2, and other packages to meet the compatible design requirements of different production systems.
Fig.2 Typical application circuit diagram
It should be noted that the supply voltage of VCCA cannot be greater than VCCB, that is, side A is connected to the low-voltage system, and side B is connected to the high-voltage system.
RS0104 provides a variety of general packages, including TSSOP, QFN3.5x3.5 and QFN 2x2, and other packages to meet the compatible design requirements of different production systems.
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