Datasheet Texas Instruments TCA9517A — 数据表

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SCPS245B – DECEMBER 2012 – REVISED JUNE 2015 TCA9517A Level-Shifting I2C Bus Repeater
1 Features 3 Description The TCA9517A is a bidirectional buffer with level
shifting capabilities for I2C and SMBus systems. It
provides bidirectional voltage-level translation (uptranslation/down-translation) between low voltages
(down to 0.9 V) and higher voltages (2.7 V to 5.5 V)
in mixed-mode applications. This device enables I2C
and SMBus systems to be extended without
degradation of performance, even during level
shifting. 1 Two-Channel Bidirectional Buffer
I2C Bus and SMBus Compatible
Operating Supply Voltage Range of 0.9 V to 5.5 V
on A-side
Operating Supply Voltage Range of 2.7 V to 5.5 V
on B-side
Voltage-Level Translation From 0.9 V -5.5 V to
2.7 V -5.5 V
Footprint and Functional Replacement for …