The MX25V4006EM1I-13G/TUBE is a 4 Mbit (512 KByte) Serial Flash Memory manufactured by Macronix. It is a 4M-bit, 1.8volt (VCC) only and low voltage Serial Flash Memory device that supports a two-line serial interface (SI/SO). It features advanced write protection mechanisms and features a durable and robust design. The device can operate over the full commercial temperature range (0°C to 70°C) and offers an extended temperature range of -25°C to 85°C. The device is a quad-spi Flash and has supports a variety of interfaces, including I2C, eMMC/UFS/SATA, and SPI/QPI. It is housed in a TUBE package, which is suited for applications like Automotive, Medical, Industrial, and Communications.