Dear Vance,
please refer to the NVT4858 datasheet. Yes, the NVT4858 fulfills your requirements.
The NVT4858 is designed for SD and SIM application. Can I use it for QPSI?
JozefKozon_0-1748321478169.png
Host side: 1.2V QSPI, SCLK is up to 50 MHz
JozefKozon_1-1748321553242.png
JozefKozon_2-1748321581043.png
Flash memory: 3.3V QSPI
JozefKozon_3-1748321614567.png
With Best Regards,
Jozef