JAJSJV9A October 2020 – May 2024 TMUX1575
PRODUCTION DATA
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The TMUX1575 can be operated without any external components except for the supply decoupling capacitors. The TMUX1575 has internal weak pull-down resistors (6 MΩ) to GND so that it powers-on with the switches in a known state. All inputs signals passing through the switch must fall within the recommend operating conditions of the TMUX1575 including signal range and continuous current. For this design example, with a supply of 3.3V, the signals can range from 0V to 3.3V when the device is powered. This example can also utilize the Powered-off protection feature where the inputs can range from 0V to 3.6V when VDD = 0V. Due to the voltage range and high speed capability, the TMUX1575 example is suitable for use in SPI, JTAG, eMMC, and I2S applications. Refer to Enabling SPI-based flash memory expansion by using multiplexers for more information on using switches and multiplexers for SPI protocol expansion.