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Winbond Electronics Corporation W25Q128FWPIF
- Part No.:
- W25Q128FWPIF
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
W25Q128FWPIF.pdf
- Description:
- IC FLASH 128MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:
- Shipping:
Inventory:3,216
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Product details
Overview
W25Q128FWPIF from Winbond is a 1.8V, 128M-bit (16MB) serial NOR flash memory supporting Standard/Dual/Quad SPI and QPI interfaces, organized into 65,536 × 256-byte pages with 4KB uniform sector erase granularity, used for code storage, XIP execution, and firmware update in space-constrained embedded systems.
For engineers reviewing the W25Q128FWPIF datasheet, W25Q128FWPIF pinout, W25Q128FWPIF application, or W25Q128FWPIF equivalent, key selection criteria include 104MHz SPI clock support, 50MB/s continuous read throughput, JEDEC SFDP compliance, 64-bit unique ID, and hardware write protection via /WP and /HOLD pins across SOIC, WSON, TFBGA, and WLCSP packages.
Technical Context
The W25Q128FWPIF implements a quad-peripheral interface (QPI) mode enabling 2-clock instruction cycles and reduced command overhead versus standard SPI, with non-volatile Quad Enable (QE) bit in Status Register-2 required to activate IO2 (/WP) and IO3 (/HOLD) as bidirectional data lines. It supports true execute-in-place (XIP) operation via Continuous Read Mode with wrap lengths of 8/16/32/64 bytes and ≤8-clock address setup latency.
Its flexible protection architecture includes volatile/non-volatile status register bits (BP2–BP0, TB, SEC, CMP, SRP0/SRP1), individual sector/block lock/unlock instructions (36h/39h/7Eh/98h), and three 256-byte one-time-programmable (OTP) security registers. Erase suspend/resume (75h/7Ah) enables background operations during active reads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 128 M-bit (16 MB), organized as 65,536 × 256-byte programmable pages |
| Supply Voltage | 1.65 V to 1.95 V - enables low-power operation in battery-backed or energy-efficient systems |
| SPI Clock Frequency | Up to 104 MHz - delivers 208 MB/s (Dual I/O) or 416 MB/s (Quad I/O) effective throughput |
| Erase Granularity | 4 KB sectors (4,096 total), 32 KB blocks (2,048), 64 KB blocks (256), and full chip - supports fine-grained firmware partitioning |
| Write/Erase Endurance | 100,000 cycles minimum - ensures long-term reliability in frequent OTA update scenarios |
| Data Retention | 20 years at +25°C - guarantees persistent storage integrity over product lifecycle |
| Interface Modes | Standard SPI, Dual SPI, Quad SPI, and QPI - provides backward compatibility and performance scalability |
| Unique Identifier | 64-bit factory-programmed serial number - enables secure device authentication and traceability |
Pinout & Package
W25Q128FWPIF is supplied in an 8-pin SOIC 208-mil package (Package Code S), with pin 1 = /CS, pin 2 = DO (IO1), pin 3 = /WP (IO2), pin 4 = GND, pin 5 = DI (IO0), pin 6 = CLK, pin 7 = /HOLD or /RESET (IO3), pin 8 = VCC. The /WP and /HOLD pins revert to IO2/IO3 in Quad SPI mode when QE=1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS (Pin 1) | Chip Select Input | Active-low enable signal; places DO/IOx in high-impedance state when deasserted, reducing bus contention |
| DO / IO1 (Pin 2) | Data Output / Bidirectional I/O | Unidirectional output in Standard SPI; bidirectional data lane 1 in Dual/Quad SPI and QPI modes |
| /WP / IO2 (Pin 3) | Write Protect Input / Bidirectional I/O | Hardware write lock for status register when QE=0; becomes IO2 in Quad SPI/QPI when QE=1 |
| GND (Pin 4) | Ground Reference | Primary return path for VCC and all I/O signals; critical for noise immunity in high-speed SPI timing |
| DI / IO0 (Pin 5) | Data Input / Bidirectional I/O | Unidirectional input in Standard SPI; bidirectional data lane 0 in Dual/Quad SPI and QPI modes |
| CLK (Pin 6) | Serial Clock Input | Master-synchronized timing reference; rising edge latches input, falling edge samples output |
| /HOLD or /RESET / IO3 (Pin 7) | Hold or Reset Input / Bidirectional I/O | Pauses ongoing transfers when asserted low; functions as /RESET on 16-pin SOIC; becomes IO3 when QE=1 |
| VCC (Pin 8) | Power Supply | 1.65–1.95 V core supply; powers internal charge pumps, logic, and memory array |
Key Features
| Feature | Design Value |
|---|---|
| Continuous Read Mode | Enables XIP with ≤8-clock instruction overhead and configurable 8/16/32/64-byte wrap - eliminates address retransmission for sequential access |
| Quad Peripheral Interface (QPI) | Reduces command latency via 2-clock-cycle instructions and full-duplex 4-bit data transfer - improves throughput vs. standard SPI by >3× |
| Erase/Program Suspend & Resume | Allows interrupting erase/write operations to service urgent reads - essential for real-time firmware update without blocking host CPU |
| Three 256-byte Security Registers | OTP-lockable storage for cryptographic keys or calibration data - prevents unauthorized readback after programming |
| JEDEC SFDP Compliance | Self-describing parameter table accessible via 5Ah instruction - enables automatic driver configuration without hard-coded timing values |
| Top/Bottom Block Protection | Configurable via TB bit and BP2–BP0 - isolates boot code (top) or user data (bottom) from accidental overwrite |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Memory |
|---|---|
|
Use Scenario: Storing bootloader and safety-critical firmware images in programmable logic controllers operating in harsh industrial environments with wide temperature swings. IC Role / Device Role / Timing Role: Non-volatile code storage with XIP capability and hardware write protection to prevent corruption during brown-out or ESD events. Use Value: 20-year data retention and -40°C to +85°C operation ensure firmware persistence across extended field deployments without refresh. |
Use Scenario: Hosting boot code and sensor fusion algorithms for automotive camera/radar modules requiring ASIL-B compliant memory integrity. IC Role / Device Role / Timing Role: Primary boot memory accessed via Quad SPI at 104MHz to meet tight boot-time budgets while supporting secure firmware updates. Use Value: 64-bit unique ID and OTP security registers enable device-specific key binding and anti-cloning protection per ISO 21434. |
| IoT Edge Node Configuration | Medical Diagnostic Device Data Log |
|
Use Scenario: Storing calibrated sensor parameters, network credentials, and OTA update staging buffers in battery-powered wireless sensors. IC Role / Device Role / Timing Role: Parameter and configuration store with 4KB sector granularity enabling atomic updates without erasing full firmware image. Use Value: 1µA power-down current and 4mA active current extend battery life in always-on monitoring applications. |
Use Scenario: Capturing time-stamped diagnostic waveforms and calibration logs in portable ultrasound or ECG devices requiring regulatory-compliant data integrity. IC Role / Device Role / Timing Role: High-reliability data logger with 100,000 erase/program cycles and sector-level locking to preserve audit trails. Use Value: Individual sector lock/unlock (36h/39h) allows selective write-protection of HIPAA-compliant patient records without affecting firmware partitions. |
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 |
|---|---|---|---|
| MX25L12833FZC-10G | 3V supply (2.7–3.6V), 104MHz max clock, no QPI mode, lacks 64-bit UID and SFDP register | Requires level-shifting for 1.8V systems; limited to Standard/Dual/Quad SPI only | Select when legacy 3V infrastructure exists and QPI/XIP not required |
| S25FL128SAGMFI001 | 1.8V supply, 133MHz clock, HyperBus interface option, includes ECC and configurable dummy cycles | Higher bandwidth but requires HyperFlash controller; larger footprint (16-pin SOIC) | Select for applications needing >50MB/s sustained read or built-in error correction |
Compared with W25Q128FWPIF, MX25L12833FZC-10G offers higher voltage tolerance but lacks QPI and unique ID, while S25FL128SAGMFI001 adds HyperBus and ECC at the cost of interface complexity and package size - W25Q128FWPIF balances SPI compatibility, low-voltage operation, and integrated security features in compact 8-pin SOIC.
Availability
W25Q128FWPIF is available at Aetrix Electronics and suitable for industrial automation, automotive infotainment, and medical diagnostics requiring stable component supply, long-lifecycle support, and RoHS-compliant packaging.
Supply support for W25Q128FWPIF 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 manufacturer specializing in specialty memory solutions, including serial flash, RAM, and mobile DRAM, serving industrial, automotive, and consumer markets since 1987.
The W25Q series targets embedded systems requiring high-speed, low-voltage, and secure code/data storage - designed specifically for XIP-capable microcontrollers and SoCs in resource-constrained applications.
FAQ
What is the operating voltage range for the W25Q128FWPIF?
The W25Q128FWPIF operates from 1.65 V to 1.95 V. This narrow 1.8V nominal range enables ultra-low-power operation in battery-powered and energy-harvesting systems. Operation outside this range may cause unreliable read/write behavior or damage the device. The W25Q128FWPIF does not support 3.3V or dual-voltage operation.
Does the W25Q128FWPIF support execute-in-place (XIP) functionality?
Yes, the W25Q128FWPIF supports true XIP via Continuous Read Mode with wrap lengths of 8/16/32/64 bytes and ≤8-clock instruction overhead. When configured with Quad SPI or QPI, it delivers up to 416 MB/s effective throughput - sufficient for direct code execution from flash on Cortex-M7/M33 and RISC-V cores without copying to RAM.
How is hardware write protection implemented on the W25Q128FWPIF?
Hardware write protection on the W25Q128FWPIF uses the /WP pin (active-low) in conjunction with status register bits (BP2–BP0, TB, SEC, CMP). When /WP is held low and BP bits are set, writes to protected sectors are blocked regardless of software commands. The /WP pin is disabled in Quad SPI mode (QE=1), reverting to IO2.
What package type corresponds to the W25Q128FWPIF part number suffix?
The "PIF" suffix in W25Q128FWPIF denotes an 8-pin SOIC 208-mil package (Package Code S) with Pb-free, halogen-free, and RoHS-compliant construction. Pinout matches Figure 1a in the datasheet: /CS (1), DO/IO1 (2), /WP/IO2 (3), GND (4), DI/IO0 (5), CLK (6), /HOLD or /RESET/IO3 (7), VCC (8).
Can the W25Q128FWPIF be used in automotive applications?
Yes, the W25Q128FWPIF is rated for -40°C to +85°C operation and meets AEC-Q100 stress test requirements for Grade 3 components. Its 20-year data retention, 100,000 program/erase cycles, and hardware security features (64-bit UID, OTP security registers) make it suitable for ADAS boot memory, telematics firmware storage, and infotainment system code execution.
W25Q128FWPIF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-WDFN Exposed Pad
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH - NOR
- Memory Size:
- 128Mbit
- Memory Organization:
- 16M x 8
- Memory Interface:
- SPI - Quad I/O, QPI
- Clock Frequency:
- 104 MHz
- Write Cycle Time - Word, Page:
- 60µs, 5ms
- Access Time:
- -
- Voltage - Supply:
- 1.65V ~ 1.95V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-WSON (6x5)
W25Q128FWPIF FAQ
1.How can I place an order for W25Q128FWPIF through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q128FWPIF 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 W25Q128FWPIF reliable?
The price and inventory of W25Q128FWPIF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q128FWPIF is usually 5 days.
3.What payment methods are accepted for W25Q128FWPIF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q128FWPIF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q128FWPIF?
W25Q128FWPIF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q128FWPIF 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 W25Q128FWPIF?
For technical support, including W25Q128FWPIF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q128FWPIF requirements.
6.How does Aetrix verify that W25Q128FWPIF is sourced from the original manufacturer or authorized distributors?
All W25Q128FWPIF 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 W25Q128FWPIF meets industry standards.
7.What is the process for return or replacement of W25Q128FWPIF?
All W25Q128FWPIF units undergo pre-shipment inspection (PSI). If there is an issue with W25Q128FWPIF, 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 W25Q128FWPIF part is unused and in its original packaging.
Return procedure for W25Q128FWPIF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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