PCA9549 - Octal bus switch

Name: PCA9549
SKU: PCA9549-675337

NXP Semiconductors

Datasheet Details

The PCA9549 provides eight bits of high speed TTL-compatible bus switching controlled by the I2C-bus.

I 8-bit bus switch (CBT) I 5 Ω switch connection between two ports I I2C-bus interface logic; compatible with SMBus standards I Active LOW RESET input I 3 address pins allowing up to 8 devices on the I2C-bus I Bit selection via I2C-bus, in any combination I Power-up with all bits deselected I Low Ron switches I No glitch on power-up I Supports hot insertion I Low standby current I Operating power supply voltage range of 2.3 V to 5.5 V I 5 V tolerant inputs I 0 Hz to 400 kHz clock frequency I ESD.

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Published: May 31, 2010 |