MX66L51235FZ2I-10G
512Mbit Serial NOR Flash Memory, SPI, 3V, 8-WSON
Key details
| Part Number | MX66L51235FZ2I-10G |
|---|---|
| Manufacturer | Macronix |
| Category | Serial NOR Flash |
| Lifecycle Status | NRND |
| Series | MX66L51235F |
| Package / Case | 8-WSON (8 × 6 mm) |
| Pin Count | 8 |
| Operating Temperature | -40°C to +85°C |
| Last Verified | 2026-07-05 |
Part information
MX66L51235FZ2I-10G overview
MX66L51235FZ2I-10G is a 512Mbit, 3V Serial NOR Flash device from Macronix for SPI-based embedded storage. The exact ordering code identifies an industrial-temperature device in an 8-WSON package measuring 8 × 6 mm.
This device is recorded as not recommended for new designs. Existing-program sourcing should therefore be reviewed separately from new-design migration, with attention to command compatibility, protection settings, firmware behavior and package-level requirements.
Key technical specifications
| Density | 512 Mb |
|---|---|
| Memory type | Serial NOR Flash |
| Interface | SPI multi-I/O |
| Supply class | 3 V |
| Package | 8-WSON, 8 × 6 mm |
| Pin count | 8 |
| Operating temperature | -40°C to +85°C |
| Lifecycle | Not recommended for new designs |
Replacement and sourcing review
MX25L51245GZ2I-08G may be considered during an engineering migration review, but it should not be treated as an automatic drop-in replacement. Confirm voltage, package footprint, pinout, supported commands, read modes, erase geometry, protection registers, timing and firmware dependencies before qualification.
For an RFQ, provide the full MPN, required quantity, acceptable date-code range, packing format, destination and traceability requirements. Availability, lead time and lot information are confirmed only after supplier review.
MX66L51235FZ2I-10G selection and design context
MX66L51235FZ2I-10G is cataloged as a Serial NOR Flash in the MX66L51235F family. Its recorded function is 512Mbit Serial NOR Flash Memory, SPI, 3V, 8-WSON. Selection should be based on the complete electrical limits, package drawing and ordering suffix rather than the abbreviated family code.
- Density: 512 Mb. Confirm address organization, software support and required usable capacity.
- Memory type: Serial NOR Flash. Confirm address organization, software support and required usable capacity.
- Interface: SPI multi-I/O. Confirm logic levels, signaling mode, host support and required external components.
- Supply class: 3 V. Check rail compatibility, tolerance and sequencing under worst-case conditions.
Application and qualification considerations
When evaluating this memory device, confirm density, organization, interface mode, supply rails, access or clock timing, erase endurance and software command compatibility. For a new design, review power-up behavior, interface timing, absolute maximum ratings, thermal limits and any external-component requirements in the latest manufacturer documentation. Existing-board replacement work should additionally confirm pinout, footprint, firmware assumptions and qualification grade.
Procurement checks for MX66L51235FZ2I-10G
The recorded package is 8-WSON (8 × 6 mm), the temperature range is -40°C to +85°C, and the lifecycle status is NRND as of 20260705. Before ordering, confirm the exact MPN on the label, packing format, quantity, date-code requirements, traceability documents and current factory status.
MX66L51235FZ2I-10G FAQ
What distinguishes MX66L51235FZ2I-10G within the MX66L51235F family?
MX66L51235FZ2I-10G is the exact orderable code for a 512Mbit Serial NOR Flash Memory, SPI, 3V, 8-WSON in 8-WSON (8 × 6 mm). Related MX66L51235F devices may change package, rating, interface option or qualification grade, so compare the manufacturer ordering table before substitution.
What package and footprint checks are required for MX66L51235FZ2I-10G?
MX66L51235FZ2I-10G is recorded in 8-WSON (8 × 6 mm) with 8 pins, leads or contacts. Confirm the manufacturer package drawing, dimensions, pin numbering, exposed-pad requirements and packing suffix before releasing a PCB footprint.
Which specifications should be verified when selecting MX66L51235FZ2I-10G?
Density is recorded as 512 Mb, Memory type is recorded as Serial NOR Flash. Use the latest datasheet for minimum and maximum limits, test conditions, timing and absolute maximum ratings rather than relying only on a distributor summary.
What is the lifecycle status of MX66L51235FZ2I-10G?
MX66L51235FZ2I-10G was recorded as NRND when verified on 20260705. Reconfirm factory status, revision availability, lead time and any last-time-buy notice before design-in or volume procurement.
What information should be included in an RFQ for MX66L51235FZ2I-10G?
Provide the complete MX66L51235FZ2I-10G orderable code, target quantity, acceptable date-code range, required packing method, delivery destination and documentation needs. For replacement work, also identify the existing package and any mandatory qualification grade.
Lifecycle and sourcing review
This part may not be recommended for new designs. Confirm package, electrical requirements, firmware behavior and qualification needs before selecting an alternative.
Not recommended for new designs. Verify package, pinout, voltage, timing, firmware compatibility, date code requirements, and qualification needs before using any alternative.
Potential alternative part numbers
Verify package, pinout, voltage, firmware behavior and qualification before substitution.