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PCA9549 - Octal bus switch

NXP Semiconductors

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Datasheet Details

Part number	PCA9549
Manufacturer	NXP ↗ Semiconductors
File Size	139.57 KB
Description	Octal bus switch
Datasheet	PCA9549_NXPSemiconductors.pdf

PCA9549 Product details

Description

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

Features

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.

📁 PCA9549 Similar Datasheet

PCA9540 - 2-channel I2C multiplexer (NXP)
PCA9540B - 2-channel I2C-bus multiplexer (NXP)
PCA9542 - 2-channel I2C multiplexer and interrupt controller (NXP)
PCA9543 - 2-channel I2C switch (NXP)
PCA9543A - 2-Channel I2C Bus Switch (Texas Instruments)
PCA9544 - 4-channel I2C multiplexer and interrupt controller (NXP)
PCA9544A - 4-channel I2C-bus multiplexer (NXP)
PCA9544ABS - 4-channel I2C-bus multiplexer (NXP)

Other Datasheets by NXP Semiconductors

PCA9541 - 2-to-1 I2C-bus master selector
PCA9541A - 2-to-1 I2C-bus master selector
PCA9542A - 2-channel I2C-bus multiplexer and interrupt logic
PCA9543B - 2-channel I2C-bus switch
PCA9543C - 2-channel I2C-bus switch
PCA9502 - 8-bit I/O expander

Published: May 31, 2010 |