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LIMCHIP CO., LIMITED
Professional Electronic Components Distributor · HK · SZ · SG · Original Stock · Global Shipping
W25R256JWEIQ
Brand: Winbond
W25R256JWEIQ is a Winbond 256 Mbit (32 Mbyte) Serial NOR Flash memory with Standard, Dual and Quad SPI, running at up to 133 MHz. It operates from a single 1.7 V to 1.95 V (1.8 V) supply, is rated for 100,000 erase cycles and 20-year retention, adds an Intel-spec RPMC counter for secure boot storage, and ships in the 8-pad WSON, 8.0 × 6.0 mm, 1.27 mm pitch.
Stock & Date Code
| Brand | Part Number | Qty | D/C | Note |
|---|---|---|---|---|
| Winbond | W25R256JWEIQ | 4,000 | 26+ | Winbond W25R256JWEIQ 256 Mbit (32 Mbyte) Serial NOR Flash; confirm lot labels, packing condition and allocation by RFQ. |
Listed stock and date code are subject to final RFQ confirmation.
Storage Specifications
| Parameter | Value / Specification |
|---|---|
| Memory Type | Serial NOR Flash (SPI / Dual SPI / Quad SPI) with RPMC |
| Density | 256 Mbit (32 Mbyte) |
| Organization | 131,072 page 256 bytes; 8,192 × 4 KB sectors; 512 × 64 KB blocks |
| Clock Frequency | 133 MHz (Standard, Dual and Quad SPI) |
| Data Rate | Up to 532 MHz equivalent in Quad I/O; 66 MB/s continuous read |
| Address Mode | 3-byte and 4-byte (32-bit) addressing |
| Supply Voltage | 1.7 V to 1.95 V (1.8 V) |
| Endurance | 100,000 program/erase cycles per sector (min.) |
| Data Retention | 20 years (min.) |
| Operating Temperature | -40 °C to +85 °C (Industrial grade I) |
| Security | RPMC (Replay-Protected Monotonic Counter, Intel spec), 64-bit unique ID, SFDP, 3 × 256-byte security registers |
| Package / Case | 8-pad WSON, 8.0 × 6.0 mm, 1.27 mm pitch |
Storage Features & Applications
- 256 Mbit (32 Mbyte) Serial NOR Flash with Standard, Dual and Quad SPI interfaces
- 133 MHz clock; up to 532 mhz equivalent in quad i/o; 66 mb/s continuous read
- Single 1.7 V to 1.95 V (1.8 V) supply voltage with <1 µA typical power-down current
- 100,000 program/erase cycles per sector with 20-year data retention
- Uniform 4 KB sectors plus 32 KB / 64 KB block and full-chip erase
- Space-saving 8-pad WSON (8×6 mm) package
- RPMC (Replay-Protected Monotonic Counter, Intel spec) for secure BIOS/UEFI storage
- -40 °C to +85 °C industrial temperature range
- 3-byte and 4-byte (32-bit) address modes for the full 32 Mbyte array
Need Price & Availability for W25R256JWEIQ?
LimChip can confirm current lot allocation, 26+ date-code availability, packing condition and shipping schedule for W25R256JWEIQ.
Listed stock is subject to final RFQ confirmation.
For faster RFQ confirmation, please include:
- Required quantity
- Target date code
- Package / case requirement
- Delivery country
- Company name and contact person
- Target price if available
Prefer email? Send this RFQ via email instead.
Quality, Shipping & Payment
Commercial and shipment details for W25R256JWEIQ are confirmed with the formal quotation.
Shipping
LimChip supports worldwide delivery through established logistics providers. Carrier, lead time, tracking and buyer-appointed freight-forwarder requirements are confirmed by our sales team.
Payment
Payment method, currency and trade terms are confirmed in the formal quotation or proforma invoice. Contact our sales team for the options available for your order.
Frequently Asked Questions
Is W25R256JWEIQ available from LimChip?
LimChip can confirm current availability, price, quantity, date code and lead time for W25R256JWEIQ by RFQ.
What should buyers check before ordering W25R256JWEIQ?
Buyers should check density, interface, package, firmware qualification and lifecycle status for W25R256JWEIQ, together with live stock and traceable supply.
How do I request a quote for W25R256JWEIQ?
Use the RFQ button and include required quantity, target date code, package/case requirement, delivery country, company name and contact details.