SST26 Serial Quad I/O Flash Memory Microchip Technology SST26 Serial Quad I/O (SQI) Flash Memory devices feature low pin count, enhanced 4-bit multiplexed serial interface architecture, and up to a 350Mbit/sec. sustained burst data rate that provides performance exceeding typical parallel Flash Memory. These SQI Flash Memory devices boost performance while maintaining the compact form factor of standard serial devices. The SST26 SQI is manufactured with high-performance CMOS SuperFlash® Technology and significantly improves performance and reliability while lowering power consumption. This flash memory operates at frequencies reaching 80MHz, making it ideal for Bluetooth® headsets, optical disk drives, and GPS applications.