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Winbond Electronics Corporation W25Q256FVBIP TR
- Part No.:
- W25Q256FVBIP TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 24-TBGA
- Datasheet:
-
W25Q256FVBIP TR.pdf
- Description:
- IC FLASH 256MBIT SPI 24TFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,723
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Product details
Overview
W25Q256FVBIP TR from Winbond is a 256M-bit (32MB) serial NOR flash memory supporting Standard/Dual/Quad SPI and QPI interfaces, operating at up to 80MHz clock rate with 40MB/s continuous read throughput. It features uniform 4KB sectors, 32KB/64KB blocks, 100,000 program/erase cycles, and 20-year data retention. Used for code XIP, firmware storage, and parameter logging in space-constrained embedded systems.
For engineers reviewing the W25Q256FVBIP TR datasheet, W25Q256FVBIP TR pinout, W25Q256FVBIP TR application, or W25Q256FVBIP TR equivalent, key selection factors include 3–4 byte addressing mode support, Quad Enable (QE) bit configuration, /HOLD or /RESET dual-function pin behavior in WSON-8, and JEDEC SFDP register compatibility for auto-configuration.
Technical Context
The W25Q256FVBIP TR implements a flexible SPI command architecture with three address modes (3-byte default, 4-byte enabled via B7h/E9h, and power-up configurable ADP bit), enabling seamless migration from legacy 16MB designs to 32MB capacity without bus rework. Its QPI mode reduces instruction overhead using 2-clock-cycle opcodes, supporting true execute-in-place (XIP) operation with as few as 8 clocks to initiate memory access.
Internal architecture includes a 256-byte page buffer, sector/block erase logic with suspend/resume capability, and three 256-byte one-time-programmable (OTP) security registers. The device supports volatile/non-volatile status register bits including Block Protect (BP0–BP3), Top/Bottom (TB), Complement (CMP), and Quad Enable (QE), all configurable via standard SPI instructions like 01h/31h/11h.
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 I/O, Quad I/O, and QPI - requires QE bit set for Quad I/O |
| Max Clock Frequency | 80 MHz SPI; enables 160 MHz (Dual) or 320 MHz (Quad) effective throughput |
| Erase Granularity | Uniform 4 KB sectors (8,192 total), 32 KB blocks (1,024), 64 KB blocks (512) |
| Write Endurance | 100,000 program/erase cycles per sector, verified per JEDEC JESD22-A117 |
| Data Retention | 20 years at +25°C; derated per JEDEC JESD22-A110 conditions |
| Supply Voltage | 2.7 V to 3.6 V single supply; active current ≤4 mA, power-down ≤1 µA (typ.) |
| Operating Temp | –40°C to +85°C industrial grade; validated across full voltage range |
Pinout & Package
W25Q256FVBIP TR uses an 8-pad WSON 8×6-mm package (Package Code E), with exposed thermal pad. Pin functions are shared across SPI modes: IO0–IO3 serve as DI/DO in Standard/Dual mode, and as bidirectional data lines in Quad mode when QE=1. /WP and /HOLD become IO2/IO3 respectively in Quad mode.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS | Chip Select Input | Active-low enable; high-impedance DO and low-power standby when deasserted |
| DO (IO1) | Data Output / I/O1 | Unidirectional output in Standard SPI; bidirectional in Dual/Quad SPI |
| /WP (IO2) | Write Protect Input / I/O2 | Hardware lock for status register; repurposed as IO2 when QE=1 |
| GND | Ground Reference | Signal and power return; must be low-inductance connection for timing integrity |
| DI (IO0) | Data Input / I/O0 | Unidirectional input in Standard SPI; bidirectional in Dual/Quad SPI |
| CLK | Serial Clock Input | Edge-triggered timing reference; supports SPI Mode 0 and Mode 3 |
| /HOLD or /RESET (IO3) | Hold/Reset Input / I/O3 | Dual-function pin: HOLD pauses ongoing transfer; /RESET forces hardware reset - configurable via SR bit HOLD/RST |
| VCC | Power Supply | 2.7–3.6 V core supply; decoupling capacitor required within 10 mm of pin |
Key Features
| Feature | Design Value |
|---|---|
| Continuous Read with Wrap | Supports 8/16/32/64-byte burst wrap; eliminates address increment overhead for streaming |
| QPI Mode | 2-clock instruction cycle reduces opcode latency; enables deterministic XIP timing critical for real-time boot |
| Erase/Program Suspend | 75h/7Ah commands pause background erase/program to service urgent reads without data loss |
| Security Registers | Three 256-byte OTP registers with individual lock bits (LB1–LB3); prevent field reprogramming of sensitive keys |
| SFDP Register | JEDEC JESD216-compliant 64-byte register; enables automatic driver configuration without hard-coded parameters |
| Unique ID | 64-bit factory-programmed serial number; usable for device authentication and secure firmware binding |
Applications
| Industrial HMI Firmware Storage | Automotive Infotainment Boot Memory |
|---|---|
Use Scenario: Storing GUI assets, firmware images, and calibration tables in panel-mounted HMIs with limited PCB area. IC Role / Device Role / Timing Role: Primary non-volatile code storage with XIP-capable Quad SPI interface for fast UI rendering startup. Use Value: 40MB/s read speed and 4KB sector granularity allow rapid loading of compressed assets while minimizing erase wear on configuration partitions. |
Use Scenario: Holding boot loader, OS kernel, and safety-critical firmware in head unit ECUs requiring AEC-Q100 alignment. IC Role / Device Role / Timing Role: Secure, high-reliability boot memory with OTP security registers for cryptographic key protection. Use Value: 20-year data retention and 100K endurance ensure firmware integrity over vehicle lifetime; SFDP simplifies bootloader porting across MCU platforms. |
| IoT Edge Node Configuration | Medical Diagnostic Device Log Storage |
Use Scenario: Persisting network credentials, sensor calibration offsets, and OTA update staging in battery-powered edge nodes. IC Role / Device Role / Timing Role: Low-power parameter store with hardware write protection (/WP pin) and suspend-capable erase for atomic updates. Use Value: 1µA power-down current extends battery life; individual sector lock (36h/39h) prevents accidental overwrite of regulatory-certified settings. |
Use Scenario: Recording time-stamped diagnostic waveforms and patient metadata in portable ultrasound and ECG devices. IC Role / Device Role / Timing Role: High-integrity data logger with sector-level erase isolation to preserve prior session records during new acquisition. Use Value: Uniform 4KB sectors enable precise log rotation without erasing unrelated clinical data; unique ID supports audit trail traceability per device. |
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 |
|---|---|---|---|
| MX25L25635FMI-10G | Same density and WSON-8 package; supports DTR Quad SPI but lacks QPI mode and SFDP register | Requires custom driver for 4-byte addressing; no auto-configuration capability | Select when QPI or SFDP is unnecessary and DTR timing margin is critical |
| S25FL256SAGMFI000 | 256Mb density in 8-pin SOIC; includes HyperBus interface option and ECC, but no /HOLD pin in SOIC variant | Higher pin count; HyperBus offers higher bandwidth but needs compatible controller | Prefer for systems already using Cypress-compatible controllers or requiring built-in ECC |
Compared with MX25L25635FMI-10G and S25FL256SAGMFI000, the W25Q256FVBIP TR provides broader interface flexibility (QPI + SFDP), lower pin-count WSON packaging, and integrated security features - making it optimal for cost-sensitive, space-constrained designs requiring standardized driver support and field-upgrade resilience.
Availability
W25Q256FVBIP TR is available at Aetrix Electronics and suitable for industrial HMI firmware storage, automotive infotainment boot memory, and IoT edge node configuration requiring stable component supply and long-term lifecycle assurance.
Supply support for W25Q256FVBIP 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 semiconductor company specializing in specialty DRAM, mobile DRAM, and serial flash memory solutions since 1987.
The W25Q series targets embedded systems needing high-speed, secure, and pin-efficient non-volatile storage - designed specifically for code execution, firmware updates, and parameter retention in resource-constrained environments.
FAQ
What is the package type and lead count of the W25Q256FVBIP TR?
The W25Q256FVBIP TR uses an 8-pad WSON (8×6-mm) package with exposed thermal pad (Package Code E). It has 8 terminals: /CS, DO (IO1), /WP (IO2), GND, DI (IO0), CLK, /HOLD or /RESET (IO3), and VCC. This compact footprint supports high-density PCB layouts while maintaining thermal performance for continuous read operations.
Does the W25Q256FVBIP TR support 4-byte addressing, and how is it enabled?
Yes, the W25Q256FVBIP 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); it can be exited using E9h. The ADP bit in Status Register-3 determines power-up default addressing mode - non-volatile and configurable via 11h instruction.
How does the /HOLD pin function differ between Standard SPI and Quad SPI modes on the W25Q256FVBIP TR?
In Standard/Dual SPI modes, the /HOLD pin (IO3) pauses ongoing transfers when pulled low. In Quad SPI mode (QE=1), IO3 becomes a bidirectional data line (IO3), and /HOLD functionality is disabled. The HOLD/RST bit in Status Register-3 controls whether IO3 operates as /HOLD or /RESET in 8-pin packages when QE=0.
What security features are implemented in the W25Q256FVBIP TR?
The W25Q256FVBIP TR includes hardware write protection (/WP pin), top/bottom/complement array locking, individual sector/block locks (36h/39h), three 256-byte OTP security registers with LB1–LB3 lock bits, and a 64-bit unique ID. All status register protection bits (SRP0/SRP1) and block protect bits (BP0–BP3) are non-volatile and software-configurable.
Is the W25Q256FVBIP TR compatible with JEDEC-standard SFDP, and what value does it provide?
Yes, the W25Q256FVBIP TR implements JEDEC JESD216-compliant SFDP (Serial Flash Discoverable Parameters) in a dedicated 64-byte register. This allows host bootloaders to auto-detect memory geometry, timing parameters, and supported instructions - eliminating hardcoded driver assumptions and improving firmware portability across different flash vendors and densities.
W25Q256FVBIP TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 24-TBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- 24-TFBGA (6x8)
W25Q256FVBIP TR FAQ
1.How can I place an order for W25Q256FVBIP TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q256FVBIP 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 W25Q256FVBIP TR reliable?
The price and inventory of W25Q256FVBIP TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q256FVBIP TR is usually 5 days.
3.What payment methods are accepted for W25Q256FVBIP TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q256FVBIP TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q256FVBIP TR?
W25Q256FVBIP TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q256FVBIP 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 W25Q256FVBIP TR?
For technical support, including W25Q256FVBIP TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q256FVBIP TR requirements.
6.How does Aetrix verify that W25Q256FVBIP TR is sourced from the original manufacturer or authorized distributors?
All W25Q256FVBIP 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 W25Q256FVBIP TR meets industry standards.
7.What is the process for return or replacement of W25Q256FVBIP TR?
All W25Q256FVBIP TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q256FVBIP 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 W25Q256FVBIP TR part is unused and in its original packaging.
Return procedure for W25Q256FVBIP TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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