Level Shift RS0102 Provides Dual Data Lines, Which Are Mainly Used for Communication Interfaces Such as UART, I²C, SMBus, and GPIO
The Level Shift and voltage conversion in the power supply system are two chips with different functions. The level shift is based on 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 1.8V, the communication between them cannot be directly connected, and the voltage level adaptation process is needed.
RS0102 provides dual data lines, which are mainly used for communication interfaces such as UART, I²C, SMBus, and GPIO. It can automatically recognize the direction and is compatible with push-pull and open-drain output architecture.
Its main features are as follows:
● No Direction-control
●Data Rates: 24Mbps (Push-Pull) 2Mbps(Open Drain)
●1.65V to 5.5V on A ports and 2.3V to 5.5V on B Ports (VCCA≤VCCB)
● Vcca and Vccb are isolated from each other
● No Power-Supply Sequerncy Request
● Extended Temperature -40℃ to +85℃
Figure1. Typical Application Circuit
Attention: Vcca must be less than Vccb. In other words, Vcca is connected to the low-voltage system, and Vcc is connected to the high-voltage system.
RS0102 provides a variety of standard packages, including SOT23-8, VSSOP, and DFN packages to meet the design requirements of different production systems.
Fig.2
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