Macronix
1Gb (128MB) 3V SOP-16 Serial NOR Flash Memory
The MX66L1G45GMR-08G-TB is a high-density 1Gb SPI/QPI NOR Flash memory optimized for high-reliability code storage and fast Execute-in-Place (XiP) execution. Supporting Quad I/O mode for rapid data transfer, it is widely utilized in industrial automation, high-end networking equipment (routers/switches), and automotive electronics. Official authorized channels currently face severe shortages, driving strong demand for spot stock.
Key Specifications
Verify against the original datasheet before quoting.
| Storage Density | 1Gb (128MB) |
|---|---|
| Interface | SPI / Quad SPI (QPI) |
| Clock Frequency | Up to 133 MHz (Quad I/O Fast Read) |
| Operating Voltage | 2.7V - 3.6V |
| Package | 16-SOP (300mil) |
| Operating Temperature | -40°C to +85°C |
Market Status — as of October 2026
Limited Availability – Spot Stock in High Demand
Quality & Traceability
Cerametronics is ISO 9001 certified and products are RoHS compliant, with counterfeit screening and full traceability on every shipment. A Certificate of Conformance is available on request. For allocation-sensitive or high-risk lots, independent third-party lab verification can be arranged — just flag it on your RFQ. Any lot that fails incoming inspection is quarantined and never shipped.
FAQ
Is this part compliant with automotive requirements?
The "G" suffix designates Industrial grade (-40°C to +85°C). For AEC-Q100 automotive compliance, please verify your specific temperature class requirements (e.g., Grade 2/Grade 3).
What is the advantage of the SOP-16 package over BGA for a 1Gb Flash?
SOP-16 offers easier PCB routing, lower manufacturing and assembly costs, and simplified optical inspection compared to BGA packages.
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Cerametronics is an independent electronic components distributor and is not affiliated with Macronix. All trademarks belong to their respective owners.
