BSN20系列双向电平移位器在IIC总线和其他系统中的应用
With a single MOS-FET a bi-directional level shifter circuit can be realised to connect devices with different supply voltages of e.g. 5 Volt and 3.3 Volt to one I2C-bus system. The level shifter can also isolate a bus section of powered-down devices from the I2C-bus, allowing the powered part of the I2C-bus to operate in a normal way.The level shifter can also be used in other bus systems or point to point connections for level shifting and/or isolation.
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