Automotive 512 Mbit NOR Flash with Quad SPI
The Micron MT25QU512ABB8E12-0AAT TR is a 512 Mbit non-volatile NOR Flash memory organized as 64M x 8 bits, accessed over a Quad SPI interface clocked at 133 MHz.
That means Micron is still manufacturing it, no last-time-buy window is open, and there is no official successor to track. For a BOM freeze in an automotive program, this part does not introduce a near-term supply risk. The ROHS3 compliance is confirmed.
Package and mounting — 24-TBGA footprint
The supplier device package is designated 24-T-PBGA (6x8).
Write cycle timing and endurance context
Page write time is 2.8 ms typical; word write time is 8 ms. These figures matter for over-the-air (OTA) firmware update strategies where the ECU must write a new image within a bounded downtime. The Quad SPI interface at 133 MHz gives a read throughput that keeps code shadowing fast, but the write side is the constraint to budget for.