Compiled specifications
| Parameter | Value |
|---|---|
| Part number | MT28EW256ABA1HJS-0SIT |
| Density / capacity | 256 Mb |
| Supply voltage | 3.0 VOLTS |
| Operating temperature | -40C to +85C |
| Product line | Parallel NOR Flash (MT28EW) |
| Lifecycle | Active |
Blank rows are omitted rather than filled with a guess.
MT28EW256ABA1HJS-0SIT is a 256 Mb (256Mb) x8/x16, 3V Embedded Parallel NOR device by Micron, 16Mb x16 component configuration, 3.0 VOLTS supply, rated -40C to +85C, in a 56-pin TSOP (TSOP) package.
Key figures
- Density: 256 Mb (256Mb).
- Component configuration: 16Mb x16.
- Supply: 3.0 VOLTS.
- Operating temperature range: -40C to +85C.
- Package: 56-pin TSOP (TSOP).
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 “Production”; the lifecycle field is set accordingly (Production → Active, End of Life → Obsolete).
Data source and completeness
The manufacturer part catalog prints this ordering code “MT28EW256ABA1HJS-0SIT” verbatim with “Operating Temp -40C to +85C”, “I/O Voltage 3.0 VOLTS”, “Part Status Code Production” and “Component Config 16Mb x16”; package “TSOP”. Device figures come from the same-manufacturer MT28EW256ABA 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 embedded parallel 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 MT28EW embedded parallel NOR family datasheet MT28EW256ABA — first-party, md5 on file, AGG=NONE; per-code operating temperature, voltage, configuration and status from the Micron parallel-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
- Speed / grade
- Typical applications
- Country of origin
Listed so the gap is visible on the page, not inferred later.
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