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BUY PCA9540BD,118 https://www.utsource.net/itm/p/7424807.html
2-Channel I2C Multiplexer Interface 8-SO
Description: The PCA9540BD,118 is a dual bidirectional I2C-bus and SMBus voltage-level translator with an enable input. Features: * Low-voltage operation: VCC = 1.65 V to 5.5 V * Low-voltage input logic levels: VIL = 0.8 V (max) and VIH = 2.0 V (min) * High-voltage operation: VCC = 2.3 V to 5.5 V * High-voltage input logic levels: VIL = 0.45 V (max) and VIH = 2.7 V (min) * High-speed operation: tPD = 4.5 ns (max) * Low-power consumption: ICC = 1.0 μA (max) Applications: * Interfacing between low-voltage and high-voltage I2C-bus and SMBus systems * Interfacing between low-voltage and high-voltage I2C-bus and SMBus systems in portable applications * Interfacing between low-voltage and high-voltage I2C-bus and SMBus systems in automotive applications (For reference only)