MT25QU256ABA8E12-MAAT

Micron · NOR Flash · · -40~105°C, Automotive (AEC-Q100)

Compiled specifications

Compiled by the MemSignal team from publicly available information
ParameterValue
Part numberMT25QU256ABA8E12-MAAT
Density / capacity256 Mb
Speed / grade166MHz
Supply voltage1.8 VOLTS
Operating temperature-40C to +105C
Product lineSerial NOR Flash (MT25Q)
Lifecycle—

Blank rows are omitted rather than filled with a guess.

MT25QU256ABA8E12-MAAT is a 256 Mb (256Mb) Multiple I/O Serial NOR Flash device by Micron, 64Mb x4 component configuration, 1.8 VOLTS supply, rated -40C to +105C, in a 24-ball T-PBGA (TBGA) package, speed grade 166MHz.

Key figures

  • Density: 256 Mb (256Mb).
  • Component configuration: 64Mb x4.
  • Supply: 1.8 VOLTS.
  • Speed: 166MHz (180MTPS).
  • Operating temperature range: -40C to +105C.
  • Package: 24-ball T-PBGA (TBGA).

Grade and lifecycle

This ordering code carries the manufacturer’s wide-temperature grade designation; the qualification grade and operating-temperature band are carried by the temperature term attached to this page, and the prose here makes no further environmental-grade claim of its own.

The manufacturer catalog lists this ordering code with part status “Contact Sales” (captured 2026-11-02): the code is offered in the catalog and availability is confirmed through the manufacturer’s sales channel. No inventory, lifecycle or stock claim is made here.

Data source and completeness

The manufacturer part catalog prints this ordering code “MT25QU256ABA8E12-MAAT” verbatim with “Operating Temp -40C to +105C”, “I/O Voltage 1.8 VOLTS”, “Speed 166MHz”, “Part Status Code Contact Sales” and “Component Config 64Mb x4”; package “TBGA”. Device figures come from the same-manufacturer MT25QU256ABA family datasheet (md5 on file, first-party, AGG=NONE). No public datasheet hyperlink is published.

Who makes it

Micron Technology, Inc., founded 1978 and headquartered in Boise, Idaho, is the manufacturer of this serial NOR family.

Cross-references & alternatives

No substitution list published for this part

A cross-reference here would change what a customer buys. We publish one only when each row carries a source and a date and has been checked by a named reviewer.

  • Table shape: Alternative · Fit · Differs in · Source · Checked
  • Blocked on: an engineering review step with a named reviewer per row

Official documentation

MemSignal does not host, reproduce or distribute datasheets. Where the manufacturer publishes one, we link to it.

Provenance

  • Source: Micron MT25Q serial NOR family datasheet MT25QU256ABA (MTQU256) — first-party, md5 on file, AGG=NONE; per-code operating temperature, voltage, speed, configuration and status from the Micron serial-NOR part catalog (2026-11-02).
  • Checked: 2026-11-02

Cross-reference and substitution advice appear only where each claim carries a source and a date.

Parameters not compiled for this part

  • Typical applications
  • Country of origin

Listed so the gap is visible on the page, not inferred later.

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