SST26VF032 Datasheet, Silicon Storage Technology

* Single Voltage Read and Write Operations
  – 2.7-3.6V
* Serial Interface Architecture
  – Nibble-wide multiplexed I/O’s with SPI-li.

The Serial Quad I/O™ (SQI™) family of flash-memory devices features a 4-bit, multiplexed I/O interface that allows for low-power, high-performance operation in a low pin-count package. System designs using SQI flash devices occupy less board space an.