SCDS411D July 2019 – October 2022 SN3257-Q1
PRODUCTION DATA
Common applications that require the features of the SN3257-Q1 include multiplexing various protocols from a processor or MCU such as SPI, eMMC, I2S, or standard GPIO signals. The SN3257-Q1 provides superior isolation performance when the device is powered. The added benefit of powered-off protection allows a system to minimize complexity by eliminating the need for power sequencing in hot-swap and live insertion applications. Figure 9-1 shows how to use the SN3257-Q1 to multiplex an SPI bus to multiple flash memory devices.