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Winbond Electronics Corporation W25Q257FVFIF TR
- Part No.:
- W25Q257FVFIF TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
W25Q257FVFIF TR.pdf
- Description:
- IC FLASH 256MBIT SPI/QUAD 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,734
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Product details
Overview
W25Q257FVFIF TR from Winbond is a 256M-bit (32MB) serial NOR flash memory IC supporting Standard/Dual/Quad SPI and QPI interfaces, operating at 2.7–3.6V with 104MHz max clock, 50MB/s continuous read, and 4KB uniform sector erase. It serves as non-volatile code storage and XIP execution memory in microcontroller boot systems.
For engineers reviewing the W25Q257FVFIF TR datasheet, W25Q257FVFIF TR pinout, W25Q257FVFIF TR application, or W25Q257FVFIF TR equivalent, key selection criteria include 4-byte addressing support, Quad Enable (QE) bit configuration, /HOLD vs /RESET pin behavior in WSON-8 package, and JEDEC SFDP register compatibility for auto-configuration.
Technical Context
The W25Q257FVFIF TR implements a flexible SPI-compatible command set with three address modes (3-byte default, 4-byte enabled via B7h/E9h), dual/quad I/O operation dependent on volatile/non-volatile QE bit setting in Status Register-2, and hardware-controlled /WP and /HOLD pins that become IO2/IO3 in Quad mode. Its architecture supports true execute-in-place (XIP) via Continuous Read Mode with ≤8-clock instruction overhead.
It integrates three 256-byte security registers with OTP locks, 64-bit unique ID, and programmable block protection (BP0–BP3, TB, CMP) with both volatile and non-volatile write capability. The device uses internal high-voltage generators for erase/program cycles and supports suspend/resume for concurrent background operations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 256 M-bit (32 MB), organized as 131,072 × 256-byte pages |
| Interface Modes | Standard SPI (4-wire), Dual SPI (2 I/O), Quad SPI (4 I/O), QPI (4-wire, 2-cycle instructions) |
| Max Clock Frequency | 104 MHz (Standard/Dual/Quad SPI); enables 416 MHz effective throughput in Quad I/O Fast Read) |
| Erase Granularity | Uniform 4 KB sectors (8,192 total), 32 KB blocks (4,096), 64 KB blocks (2,048), full chip |
| Data Retention | 20+ years at +25°C; validated per JEDEC JESD22-A117 |
| Endurance | 100,000 program/erase cycles per sector |
| Power Supply | Single 2.7 V to 3.6 V; 1 µA typical standby current |
| Operating Temp | –40°C to +85°C industrial grade |
Pinout & Package
W25Q257FVFIF TR is supplied in an 8-pad WSON 8×6 mm package (Package Code E), RoHS-compliant and halogen-free, with wettable flank option for automated optical inspection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS | Chip Select Input | Active-low enable; high-impedance DO and reduced power when deasserted |
| DO (IO1) | Serial Data Output / Bidirectional I/O | Unidirectional output in Standard SPI; bidirectional IO1 in Dual/Quad SPI |
| /WP (IO2) | Write Protect Input / Bidirectional I/O | Hardware write lock for status register; becomes IO2 when QE=1 |
| GND | Ground Reference | Primary return path for all I/O and core logic; requires low-impedance PCB connection |
| DI (IO0) | Serial Data Input / Bidirectional I/O | Unidirectional input in Standard SPI; bidirectional IO0 in Dual/Quad SPI |
| CLK | Serial Clock Input | Edge-triggered timing reference for all SPI/QPI transfers; supports Mode 0 and Mode 3 |
| /HOLD or /RESET (IO3) | Hold or Reset Input / Bidirectional I/O | Pauses ongoing transfer when active low; functions as /RESET only if QE=0 and configured via HOLD/RST bit |
| VCC | Power Supply | 2.7–3.6 V main supply; decoupling capacitor required within 5 mm of pad |
Key Features
| Feature | Design Value |
|---|---|
| Continuous Read Mode | Enables true XIP with ≤8-clock instruction overhead and configurable wrap lengths (8/16/32/64 bytes) |
| Quad Peripheral Interface (QPI) | Reduces instruction overhead via 2-clock-cycle commands; eliminates separate instruction/data phases |
| Erase/Program Suspend & Resume | Allows background erase or program to be paused for higher-priority reads or writes without data loss |
| JEDEC SFDP Register | Provides standardized, vendor-agnostic parameter discovery for automatic driver initialization |
| 64-bit Unique ID | Factory-programmed serial number enabling secure device authentication and firmware binding |
| Security Registers | Three 256-byte OTP-lockable regions for keys, certificates, or encrypted configuration data |
Applications
| Boot Code Storage | Firmware Update Storage |
|---|---|
Use Scenario: Storing primary bootloader and application firmware for ARM Cortex-M or RISC-V MCUs during cold start. IC Role / Device Role / Timing Role: Non-volatile code repository accessed via SPI/XIP; provides deterministic 104MHz read latency for fast boot. Use Value: Enables sub-500ms system startup with zero RAM copy overhead using Continuous Read Mode and 4KB sector granularity for partial updates. | Use Scenario: Holding field-upgradable firmware images in industrial gateways with dual-bank A/B update schemes. IC Role / Device Role / Timing Role: Dual-image storage medium with atomic sector erase; supports fail-safe rollback via independent 4KB sector locking. Use Value: Guarantees update integrity using BP bits and security registers to prevent corruption during power loss or reset events. |
| Secure Configuration Storage | Audio/Video Asset Caching |
Use Scenario: Storing cryptographic keys, TLS certificates, and device-specific calibration parameters in medical IoT edge nodes. IC Role / Device Role / Timing Role: Tamper-resistant configuration vault leveraging OTP-locked security registers and 64-bit UID binding. Use Value: Prevents unauthorized key extraction by isolating sensitive data in dedicated, write-once memory regions with hardware-enforced access control. | Use Scenario: Caching compressed audio samples or UI assets in smart speaker SoCs to reduce DRAM bandwidth pressure. IC Role / Device Role / Timing Role: High-throughput streaming buffer accessed via Quad I/O Fast Read (EBh) at 416 MHz effective rate. Use Value: Delivers sustained 50 MB/s read bandwidth-exceeding parallel x16 NOR-enabling glitch-free playback without external cache SRAM. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MX25L25735FMI-10G | Same density (256Mb), 104MHz max clock, but lacks QPI mode and SFDP register; uses legacy status register layout | No auto-configuration support; requires fixed driver initialization; no 4-byte address mode entry via B7h | Select when QPI or SFDP dependency is absent and legacy toolchain compatibility is prioritized |
| S25FL256SAGMFI000 | 256Mb, 133MHz clock, supports Octal DTR mode (not supported by W25Q257FVFIF TR); includes built-in ECC | Higher bandwidth potential but requires Octal-capable controller; ECC adds reliability for long-life logging | Select for mission-critical logging where bit error correction is mandatory and controller supports Octal interface |
Compared with MX25L25735FMI-10G and S25FL256SAGMFI000, the W25Q257FVFIF TR offers superior configurability via SFDP and QPI for streamlined driver development, balanced performance for XIP and firmware updates, and proven interoperability across Cortex-M and Linux-based bootloaders-without requiring Octal controller investment or sacrificing security register flexibility.
Availability
W25Q257FVFIF TR is available at Aetrix Electronics and suitable for boot code storage, firmware update storage, secure configuration storage, and audio/video asset caching requiring stable component supply across automotive infotainment, industrial HMI, and connected medical device programs.
Supply support for W25Q257FVFIF TR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Winbond Electronics is a Taiwan-based global supplier of specialty memory solutions, founded in 1987, with leadership in serial NOR/NAND flash and mobile DRAM.
The W25Q series targets embedded systems requiring high-speed, secure, and space-constrained non-volatile storage-designed specifically for MCU boot, XIP execution, and firmware resilience in industrial, automotive, and IoT endpoints.
FAQ
What is the package type and lead count of the W25Q257FVFIF TR?
The W25Q257FVFIF TR uses an 8-pad WSON (8×6 mm) package with wettable flanks, designated Package Code E. It has eight terminals: /CS, DO (IO1), /WP (IO2), GND, DI (IO0), CLK, /HOLD or /RESET (IO3), and VCC. This compact footprint supports automated optical inspection and high-density PCB layouts without requiring additional /RESET pin routing.
Does the W25Q257FVFIF TR support 4-byte addressing, and how is it enabled?
Yes, the W25Q257FVFIF TR supports both 3-byte and 4-byte addressing modes. 4-byte mode is enabled by issuing the Enter 4-Byte Address Mode instruction (B7h) and disabled via Exit 4-Byte Address Mode (E9h). The Power-Up Address Mode (ADP) bit in Status Register-2 determines default behavior after reset: ADP=1 selects 4-byte mode at power-up, while ADP=0 defaults to 3-byte mode.
How does the /HOLD pin function differ between Standard SPI and Quad SPI modes on the W25Q257FVFIF TR?
In Standard/Dual SPI mode, the /HOLD pin (Pin 7) pauses ongoing transfers when pulled low while /CS is active. In Quad SPI mode (QE=1), Pin 7 becomes IO3 and the /HOLD function is disabled. For WSON-8 packages, /RESET functionality is only available when QE=0 and the HOLD/RST bit in Status Register-2 is set to '1'-otherwise, Pin 7 operates exclusively as IO3.
What security features are implemented in the W25Q257FVFIF TR beyond basic write protection?
Beyond /WP pin and BP/TB/CMP status register bits, the W25Q257FVFIF TR includes three 256-byte Security Registers with OTP lock bits, a factory-programmed 64-bit Unique ID for device binding, and JEDEC SFDP register for standardized parameter discovery. These features enable cryptographic key storage, secure firmware signing, and tamper-evident configuration management not possible with basic hardware write protect alone.
Can the W25Q257FVFIF TR be used for Execute-in-Place (XIP) operation, and what conditions must be met?
Yes, the W25Q257FVFIF TR supports true XIP via Continuous Read Mode with ≤8-clock instruction overhead and configurable wrap lengths. To enable XIP, the host controller must support Quad I/O Fast Read (EBh) or QPI instructions, the QE bit must be set in Status Register-2, and the memory map must be aligned to 4KB sector boundaries. No external buffer or shadow RAM is required for direct CPU instruction fetch.
W25Q257FVFIF TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 16-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH - NOR
- Memory Size:
- 256Mbit
- Memory Organization:
- 32M x 8
- Memory Interface:
- SPI - Quad I/O, QPI
- Clock Frequency:
- 104 MHz
- Write Cycle Time - Word, Page:
- 50µs, 3ms
- Access Time:
- -
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
W25Q257FVFIF TR FAQ
1.How can I place an order for W25Q257FVFIF TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q257FVFIF TR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for W25Q257FVFIF TR reliable?
The price and inventory of W25Q257FVFIF TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q257FVFIF TR is usually 5 days.
3.What payment methods are accepted for W25Q257FVFIF TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q257FVFIF TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q257FVFIF TR?
W25Q257FVFIF TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q257FVFIF TR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for W25Q257FVFIF TR?
For technical support, including W25Q257FVFIF TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q257FVFIF TR requirements.
6.How does Aetrix verify that W25Q257FVFIF TR is sourced from the original manufacturer or authorized distributors?
All W25Q257FVFIF TR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that W25Q257FVFIF TR meets industry standards.
7.What is the process for return or replacement of W25Q257FVFIF TR?
All W25Q257FVFIF TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q257FVFIF TR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The W25Q257FVFIF TR part is unused and in its original packaging.
Return procedure for W25Q257FVFIF TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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