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PCA9617A Level Translating Fm+ I2C-Bus Repeater

NXP PCA9617A Level Translating Fm+ I2C-bus Repeater is a CMOS integrated circuit that offers level shifting between low voltage (0.8 V to 5.5 V) and higher voltage (2.2 V to 5.5 V) Fast-mode Plus (Fm+) I2C-bus or SMBus applications. PCA9617A permits extension of the I2C-bus by providing bidirectional buffering for both the data (SDA) and the clock (SCL) lines, thus enabling two buses of 540 pF at 1 MHz or up to 4000 pF at lower speeds while retaining all the operating modes and features of the I2C-bus system during the level shifts. Designers can use PCA9617A to isolate two halves of a bus for both voltage and capacitance. The PCA9617A Bus Repeater has two types of drivers - A-side drivers and B-side drivers. All inputs and B-side I/Os are overvoltage tolerant to 5.5V. The 2.2 V to 5.5 V bus port B drivers have the static level offset, while the adjustable voltage bus port A drivers eliminate the static offset voltage. This results in a LOW on the port B translating into a nearly 0 V LOW on the port A which accommodates the smaller voltage swings of lower voltage logic. PCA9617A drivers are not enabled unless VCC(A) is above 0.8 V and VCC(B) is above 2.2 V.Learn More

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Alternate Names

NXP Semiconductors has several brands around the world that may have alternate names for PCA9617ATPZ due to regional differences or acquisition. PCA9617ATPZ may also be known as the following names:

AD5242BRUZ1M distributor