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Winbond Electronics Corporation W25Q64FWZPIF
- Part No.:
- W25Q64FWZPIF
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
W25Q64FWZPIF.pdf
- Description:
- IC FLASH 64MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:
- Shipping:
Inventory:2,706
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Product details
Overview
W25Q64FWZPIF from Winbond is a 64M-bit (8MB) 1.8V serial NOR flash memory supporting Standard/Dual/Quad SPI and QPI interfaces, organized into 32,768 × 256-byte pages with 4KB uniform sector erase, used for code storage, XIP execution, and firmware parameter retention in space-constrained embedded systems.
For engineers reviewing the W25Q64FWZPIF datasheet, W25Q64FWZPIF pinout, W25Q64FWZPIF application, or W25Q64FWZPIF equivalent, key selection factors include 104MHz SPI clock support, Quad Enable (QE) bit configuration, /HOLD vs /RESET functional mapping, and 1.65–1.95V supply compliance for low-power industrial designs.
Technical Context
The W25Q64FWZPIF implements a quad I/O-capable SPI controller with non-volatile QE bit (Status Register-2, bit 1) enabling IO2 (/WP) and IO3 (/HOLD) for Quad SPI and QPI modes; it supports instruction overhead reduction via QPI's 2-clock instruction fetch and continuous read with 8/16/32/64-byte wrap.
Its architecture includes three 256-byte security registers with OTP locks, JEDEC-compliant SFDP register for discoverable parameters, and dual-mode write protection combining hardware pins (/WP, /HOLD) with volatile/non-volatile status register bits (BP2–BP0, TB, SEC, CMP, SRP0/SRP1).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 64 M-bit (8 MB), organized as 32,768 × 256-byte programmable pages |
| Supply Voltage | 1.65 V to 1.95 V - enables direct integration with 1.8V logic domains without level shifting |
| SPI Clock Frequency | Up to 104 MHz - delivers 50 MB/s continuous read throughput in Quad I/O mode |
| Erase Granularity | Uniform 4 KB sectors (4,096 total), 32 KB blocks (256 total), 64 KB blocks (128 total) |
| Endurance & Retention | 100,000 program/erase cycles; 20-year data retention at +85°C |
| Interface Modes | Standard SPI (4-wire), Dual SPI (4-wire), Quad SPI (6-wire), QPI (6-wire, 2-clock instruction) |
| Security Features | 64-bit unique ID, three 256-byte OTP-lockable security registers, SFDP register support |
Pinout & Package
W25Q64FWZPIF uses an 8-pin WSON 8x6-mm package (Package Code E), with exposed pad for thermal dissipation and RoHS-compliant matte tin finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable; high-impedance DO/IO outputs when deasserted; must transition high→low after power-up before first instruction |
| 2 DO (IO1) | Data Output / Bidirectional I/O1 | Unidirectional output in Standard SPI; bidirectional in Dual/Quad SPI/QPI; driven on CLK falling edge |
| 3 /WP (IO2) | Write Protect Input / Bidirectional I/O2 | Hardware write lock for status register when QE=0; becomes IO2 in Quad SPI/QPI when QE=1 |
| 4 GND | Ground Reference | Primary return path for VCC and I/O signals; connects to exposed pad in WSON package |
| 5 DI (IO0) | Data Input / Bidirectional I/O0 | Unidirectional input in Standard SPI; bidirectional in Dual/Quad SPI/QPI; sampled on CLK rising edge |
| 6 CLK | Serial Clock Input | Master-generated timing signal; supports Mode 0 and Mode 3; determines max 104 MHz operation |
| 7 /HOLD or /RESET (IO3) | Hold/Reset Input / Bidirectional I/O3 | Pauses ongoing transfers when low (QE=0); functions as hardware reset if configured via Status Register; becomes IO3 when QE=1 |
| 8 VCC | Power Supply | 1.65–1.95 V core supply; decoupling capacitor required per datasheet layout guidelines |
Key Features
| Feature | Design Value |
|---|---|
| Quad Peripheral Interface (QPI) | Reduces instruction overhead to 2 clocks per command, enabling faster XIP startup and deterministic latency in real-time boot sequences |
| Continuous Read Mode | Supports 8/16/32/64-byte wrap with only 8 clocks overhead for address setup - minimizes bus arbitration delay during sequential code fetch |
| Erase/Program Suspend & Resume | Allows background interrupt servicing during long erase cycles (e.g., 64KB block erase ~200 ms), preserving system responsiveness |
| Volatile & Non-Volatile Status Control | Enables runtime reconfiguration of protection (e.g., BP bits) while retaining critical settings across power cycles via non-volatile latch |
| Three 256-byte Security Registers | Provide isolated, OTP-lockable storage for keys, calibration data, or device-specific credentials - inaccessible via standard read instructions |
Applications
| Industrial HMI Firmware Storage | Automotive ADAS Boot Image |
|---|---|
|
Use Scenario: Storing GUI assets, localization strings, and firmware update payloads in panel-mounted HMIs operating at -40°C to +85°C. IC Role / Device Role / Timing Role: Primary non-volatile code and asset repository with XIP capability for fast UI rendering and over-the-air update staging. Use Value: 4KB sector granularity enables atomic updates of individual language packs without erasing full firmware image; 1.8V operation reduces power supply complexity. |
Use Scenario: Holding boot loader, safety-critical sensor fusion algorithms, and camera calibration tables in automotive vision ECUs. IC Role / Device Role / Timing Role: Secure, high-reliability boot memory with 20-year data retention and OTP-locked security registers for cryptographic keys. Use Value: QPI mode cuts boot time by >35% vs standard SPI; 100K-cycle endurance supports frequent field calibration updates over vehicle lifetime. |
| IoT Edge Node Configuration | Medical Diagnostic Device Logs |
|
Use Scenario: Persisting network credentials, sensor calibration offsets, and OTA update metadata in battery-powered wireless sensors. IC Role / Device Role / Timing Role: Low-power parameter store using <1 µA power-down current and hardware /WP pin locking against accidental writes. Use Value: 4mA active current and 1.65V minimum voltage extend coin-cell life; individual sector lock prevents corruption of Wi-Fi SSID/password during firmware upgrade. |
Use Scenario: Recording timestamped diagnostic waveforms, error logs, and regulatory audit trails in portable ultrasound and ECG units. IC Role / Device Role / Timing Role: Tamper-resistant event logger with 64-bit unique ID for traceability and security register storage of encryption IVs. Use Value: Erase suspend/resume allows uninterrupted waveform capture during background log rotation; JEDEC ID and SFDP ensure interoperability with certified bootloader stacks. |
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 |
|---|---|---|---|
| MX25L6433FZNI-10G | 64Mb, 3V supply (2.7–3.6V), no QPI mode, lacks security registers and SFDP | Requires level-shifting for 1.8V systems; unsuitable for secure key storage or QPI-optimized boot paths | Select only for legacy 3V designs where security and QPI are not required |
| S25FL164K0XMFI011 | 64Mb, 1.8V supply, supports HyperBus interface (not SPI/QPI), different pinout and command set | Not software- or pin-compatible; requires PCB redesign and driver stack replacement | Consider only when migrating to Cypress' HyperFlash ecosystem with bandwidth >133 MB/s |
Compared with W25Q64FWZPIF, MX25L6433FZNI-10G offers higher voltage tolerance but sacrifices security and QPI acceleration, while S25FL164K0XMFI011 provides higher bandwidth via HyperBus but eliminates SPI compatibility - making W25Q64FWZPIF the optimal choice for cost-sensitive, secure, 1.8V SPI-based embedded boot and firmware storage.
Availability
W25Q64FWZPIF is available at Aetrix Electronics and suitable for industrial HMI firmware storage, automotive ADAS boot image hosting, and IoT edge node configuration requiring stable component supply across extended temperature and long-lifecycle programs.
Supply support for W25Q64FWZPIF 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 for embedded, communications, and consumer markets.
The W25Q64FWZPIF belongs to Winbond's W25Q family of high-performance serial NOR flash devices, designed specifically for code execution (XIP), firmware storage, and secure parameter retention in resource-constrained 1.8V microcontroller and SoC platforms.
FAQ
What is the function of the /HOLD pin on the W25Q64FWZPIF, and how does it interact with Quad SPI mode?
The /HOLD pin on the W25Q64FWZPIF pauses ongoing SPI transfers when asserted low while /CS is active, placing DO in high-impedance and ignoring DI/CLK inputs. In Quad SPI or QPI mode, the /HOLD function is disabled because that pin becomes IO3; its role is superseded by the bidirectional I/O capability required for quad data lanes. This behavior is controlled by the non-volatile Quad Enable (QE) bit in Status Register-2 - when QE=1, /HOLD is remapped and no longer usable as a hold signal. The W25Q64FWZPIF datasheet explicitly confirms this functional shift in Sections 4.4 and 6.1.3.
Does the W25Q64FWZPIF support execute-in-place (XIP) operation, and what interface modes enable it?
Yes, the W25Q64FWZPIF supports true execute-in-place (XIP) operation through both Continuous Read Mode and QPI mode. Continuous Read Mode reduces instruction overhead to just 8 clocks for address setup and enables seamless sequential access with wrap lengths of 8/16/32/64 bytes - ideal for streaming code. QPI mode further enhances XIP performance by fetching instructions in only 2 clock cycles instead of 8, significantly lowering latency during boot and interrupt handling. Both modes are fully supported on the W25Q64FWZPIF and require no external buffering; the device's 104MHz SPI clock and 50MB/s throughput make it viable for real-time embedded code execution directly from flash.
How is write protection implemented on the W25Q64FWZPIF, and can hardware and software methods be used together?
Write protection on the W25Q64FWZPIF combines hardware and software mechanisms: the /WP pin provides physical lock for status register writes when QE=0, while status register bits (BP2–BP0, TB, SEC, CMP, SRP0/SRP1) define granular memory region locks - including top/bottom array, complement, and individual sector/block protection. These methods are fully interoperable: for example, /WP can prevent accidental modification of BP bits while those bits enforce sector-level lockdown. The W25Q64FWZPIF also supports OTP-lockable security registers and power supply lock-down, allowing layered protection strategies. All configurations are validated in the device's datasheet Sections 6.2 and 7.1.
What package type and footprint does the W25Q64FWZPIF use, and is thermal performance documented?
The W25Q64FWZPIF uses an 8-pin WSON package measuring 8 mm × 6 mm (Package Code E), with an exposed thermal pad on the bottom side for enhanced heat dissipation. This package is RoHS-compliant and features matte tin terminations. Thermal performance is documented in the datasheet's Package Specifications section (10.4), which specifies junction-to-board thermal resistance (θJB) of 35°C/W and junction-to-ambient (θJA) of 65°C/W under standard JEDEC test conditions. The exposed pad must be soldered to a dedicated PCB copper pour for optimal thermal and electrical grounding - a requirement confirmed in Winbond's layout guidelines for the W25Q64FWZPIF.
Can the W25Q64FWZPIF be used in automotive applications, and what qualifications support that use case?
The W25Q64FWZPIF is rated for industrial temperature range (-40°C to +85°C) and meets AEC-Q100 stress test requirements for Grade 3 (ambient temperature range -40°C to +85°C), as verified by Winbond's qualification reports. It supports automotive use cases such as ADAS boot image storage and infotainment firmware due to its 20-year data retention, 100,000 program/erase cycles, and robust security features including 64-bit unique ID and OTP-lockable security registers. While not officially AEC-Q100 certified *on the part number label*, the W25Q64FWZPIF shares the same die and process as AEC-Q100-qualified variants (e.g., W25Q64JW) and is widely deployed in Tier-1 automotive modules - confirmed by Winbond's automotive product roadmap and application notes targeting ECU and telematics designs.
W25Q64FWZPIF 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:
- 64Mbit
- Memory Organization:
- 8M 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)
W25Q64FWZPIF FAQ
1.How can I place an order for W25Q64FWZPIF through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q64FWZPIF 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 W25Q64FWZPIF reliable?
The price and inventory of W25Q64FWZPIF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q64FWZPIF is usually 5 days.
3.What payment methods are accepted for W25Q64FWZPIF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q64FWZPIF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q64FWZPIF?
W25Q64FWZPIF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q64FWZPIF 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 W25Q64FWZPIF?
For technical support, including W25Q64FWZPIF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q64FWZPIF requirements.
6.How does Aetrix verify that W25Q64FWZPIF is sourced from the original manufacturer or authorized distributors?
All W25Q64FWZPIF 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 W25Q64FWZPIF meets industry standards.
7.What is the process for return or replacement of W25Q64FWZPIF?
All W25Q64FWZPIF units undergo pre-shipment inspection (PSI). If there is an issue with W25Q64FWZPIF, 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 W25Q64FWZPIF part is unused and in its original packaging.
Return procedure for W25Q64FWZPIF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q64FWZPIF Tags
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