Compiled specifications
| Parameter | Value |
|---|---|
| Part number | MT25QU01GBBB1EW9-0SIT |
| Density / capacity | 1 Gb |
| Speed / grade | 166MHz |
| Supply voltage | 1.8 VOLTS |
| Operating temperature | -40C to +85C |
| Product line | Serial NOR Flash (MT25Q) |
| Lifecycle | Obsolete |
Blank rows are omitted rather than filled with a guess.
MT25QU01GBBB1EW9-0SIT is a 1 Gb (1Gb) Multiple I/O Serial NOR Flash device by Micron, 256Mb x4 component configuration, 1.8 VOLTS supply, rated -40C to +85C, in a 8-pin W-PDFN (WPDFN) package, speed grade 166MHz (166MTPS).
Key figures
- Density: 1 Gb (1Gb).
- Component configuration: 256Mb x4.
- Supply: 1.8 VOLTS.
- Operating temperature range: -40C to +85C.
- Speed: 166MHz (166MTPS).
- Package: 8-pin W-PDFN (WPDFN).
Grade and lifecycle
This page documents only the standard device ordered with the operating-temperature code shown; no qualification standard or environmental grade is asserted here.
The manufacturer catalog lists this ordering code with part status “End of Life”; the lifecycle field is set accordingly (Production → Active, End of Life → Obsolete).
Data source and completeness
The manufacturer part catalog prints this ordering code “MT25QU01GBBB1EW9-0SIT” verbatim with “Operating Temp -40C to +85C”, “I/O Voltage 1.8 VOLTS”, “Speed 166MHz”, “Part Status Code End of Life” and “Component Config 256Mb x4”; package “WPDFN”. Device figures come from the same-manufacturer MT25QU01GBBB 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 Flash family.
Cross-references & alternatives
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 MT25QU01GBBB (MQU01G) — 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.
Related from our desk
- Spot Memory Market Splits: SSD Prices Slip While DRAM Holds Nov 6, 2026 · Market Analysis
- HIKSEMI 16GB pSLC eMMC: 100K P/E Endurance for Industrial Applications Nov 5, 2026 · Market Analysis
- Vibe Coding Is Coming for Hardware Engineering Nov 5, 2026 · Market Analysis