The MX29F400CTMI-70G/TUBE is a 4M-bit CMOS CMOS (Complementary Metal-Oxide-Semiconductor) electrically-erasable programmable read-only memory (EEPROM) with a large erase block size and high programming speed. It is manufactured by Macronix and is designed for use in automotive, industrial, telecommunications, and consumer applications. This device features 4096K word (16M bit) memory array organized into 4096 pages of 256 words each, a 32-bit data bus, a 128K-one-time-programmable (OTP) area and an 8K-byte SRAM. It supports single 5.0V supply operation, and has a speed performance of 70 ns. Additionally, a UV erase capability and a write protection mode are offered. This device has an extended temperature range of -40°C to +125°C for automotive, industrial and telecom applications.