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Winbond Electronics Corporation W25Q64FWZPIQ
- Part No.:
- W25Q64FWZPIQ
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
W25Q64FWZPIQ.pdf
- Description:
- IC FLASH 64MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:
- Shipping:
Inventory:4,646
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Product details
Overview
W25Q64FWZPIQ from Winbond is a 1.8V, 64M-bit (8MB) serial NOR flash memory IC supporting Standard/Dual/Quad SPI and QPI interfaces. It delivers up to 104MHz clock rate (416MHz equivalent Quad I/O), 4KB uniform sector erase, 256-byte page programming, and true execute-in-place (XIP) capability for embedded code storage and boot loading in space-constrained microcontroller systems.
For engineers reviewing the W25Q64FWZPIQ datasheet, W25Q64FWZPIQ pinout, W25Q64FWZPIQ application, or W25Q64FWZPIQ equivalent, key selection considerations include its 1.65–1.95V supply range, JEDEC-compliant ID support, 64-bit unique serial number, three 256-byte security registers, and configurable /HOLD or /RESET function on Pin 7.
Technical Context
The W25Q64FWZPIQ implements a flexible SPI-compatible command set with hardware- and software-controlled write protection, including top/bottom block protect (TB), sector protect (SEC), complement protect (CMP), and volatile/non-volatile status register bits (BP2–BP0, SRP1/SRP0). Its architecture supports erase/program suspend/resume and continuous read with wrap modes (8/16/32/64-byte).
Quad operation requires the non-volatile Quad Enable (QE) bit in Status Register-2 to be set, repurposing /WP and /HOLD as IO2 and IO3; QPI mode further reduces instruction overhead to 2 clocks via simultaneous 4-pin instruction input, enabling high-efficiency XIP in real-time firmware execution paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 64 M-bit (8 MB) organized as 32,768 × 256-byte pages |
| Supply Voltage | 1.65 V to 1.95 V - enables low-power operation in battery-backed and ultra-low-voltage MCU systems |
| Max Clock Rate | 104 MHz SPI; 208 MHz Dual I/O; 416 MHz Quad I/O - supports ≥50 MB/s continuous read throughput |
| Erase Granularity | 4 KB sectors (4,096 total), 32 KB blocks (2,048), 64 KB blocks (1,024), and full chip - enables fine-grained data partitioning |
| Endurance & Retention | 100,000 program/erase cycles; 20-year data retention at +85°C - suitable for field-updatable firmware and logging |
| Security Features | 64-bit unique ID, SFDP register, three 256-byte OTP-lockable security registers, and programmable block-level lock/unlock - meets secure boot and device identity requirements |
| Operating Temp | −40°C to +85°C - qualified for industrial and automotive control module deployment |
Pinout & Package
W25Q64FWZPIQ uses an 8-pin WSON 8x6-mm package (Package Code E), with exposed pad for thermal performance and compact PCB footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable for SPI command latching; high-impedance DO during deselect; must transition high→low after power-up to accept instructions |
| 2 DO (IO1) | Data Output / Quad I/O 1 | Unidirectional output in Standard SPI; bidirectional I/O in Dual/Quad SPI/QPI; carries status/data on falling CLK edge |
| 3 /WP (IO2) | Write Protect Input / Quad I/O 2 | Hardware lock for status register when QE=0; becomes IO2 in Quad mode (QE=1); active-low, requires pull-up when unused |
| 4 GND | Ground Reference | Primary return path for VCC and all I/O signals; connects to exposed pad for thermal dissipation in WSON package |
| 5 DI (IO0) | Data Input / Quad I/O 0 | Unidirectional input in Standard SPI; bidirectional I/O in Dual/Quad SPI/QPI; carries instructions/addresses/data on rising CLK edge |
| 6 CLK | Serial Clock Input | Master-synchronized timing source; supports SPI Modes 0 and 3; determines max interface speed and setup/hold timing margins |
| 7 /HOLD or /RESET (IO3) | Hold/Reset Input / Quad I/O 3 | Pauses ongoing SPI transfer when low (QE=0); functions as hardware reset if configured via Status Register; becomes IO3 in Quad mode (QE=1) |
| 8 VCC | Power Supply | 1.65–1.95 V core supply; internal charge pump generates high-voltage programming/erase pulses; decoupling capacitor required |
Key Features
| Feature | Design Value |
|---|---|
| Quad Peripheral Interface (QPI) | Reduces instruction overhead from 8 to 2 clocks via 4-pin parallel instruction fetch - critical for deterministic XIP latency in real-time firmware |
| Continuous Read with Wrap | Enables burst reads of 8/16/32/64 bytes without address retransmission - minimizes bus arbitration and improves cache-line fill efficiency |
| Erase/Program Suspend & Resume | Allows background interrupt servicing during long erase/program cycles - essential for responsive human-machine interface and safety-critical tasks |
| Volatile & Non-Volatile Status Control | Enables runtime configuration (e.g., QE, DRV0/DRV1) while preserving persistent settings (e.g., BP bits, SRP) across power cycles |
| Individual Block/Sector Lock | Permits selective OTP-based locking of specific 4KB sectors - supports secure bootloader partitioning and firmware update rollback protection |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Image |
|---|---|
|
Use Scenario: Storing and executing firmware for programmable logic controllers with field-upgrade capability and deterministic boot timing. IC Role / Device Role / Timing Role: Primary non-volatile code storage with XIP support; provides 416 MHz Quad I/O bandwidth to meet <50 ms boot-to-ready requirement. Use Value: Eliminates external RAM copy step via true execute-in-place, reducing BOM cost and boot latency by >30% versus parallel flash. |
Use Scenario: Hosting boot images and calibration data for radar/EPS ECUs requiring AEC-Q100 Grade 2 qualification and secure boot verification. IC Role / Device Role / Timing Role: Secure boot ROM with 64-bit unique ID and OTP-locked security registers; supports cryptographic signature validation pre-boot. Use Value: Enables hardware-rooted chain-of-trust using JEDEC ID + unique serial number + locked security registers - satisfies ISO 21434 threat mitigation requirements. |
| IoT Edge Node Configuration | Medical Diagnostic Device Log Storage |
|
Use Scenario: Storing device-specific configuration profiles, OTA update staging buffers, and sensor calibration tables in battery-powered wireless nodes. IC Role / Device Role / Timing Role: Parameter and data partitioning via 4KB uniform sectors; leverages erase/program suspend to maintain real-time sensor sampling during updates. Use Value: Enables concurrent firmware update and sensor operation without data loss - extends battery life by avoiding full-system sleep during writes. |
Use Scenario: Reliable long-term storage of diagnostic logs, patient session records, and audit trails in portable ultrasound and ECG devices. IC Role / Device Role / Timing Role: High-endurance data logger with 100K P/E cycles and 20-year retention at +85°C; uses individual sector lock to preserve regulatory compliance records. Use Value: Meets FDA 21 CFR Part 11 electronic record integrity requirements through OTP-protected sector locking and tamper-evident unique ID traceability. |
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 | Same density (64Mb), 1.65–2.0V supply, but only supports up to 80MHz SPI (no QPI); lacks 64-bit UID and security registers | Lower-cost option where XIP performance and cryptographic features are not required | Select when system clock budget permits slower interface and security compliance is not mandated |
| S25FL164K0XMFI010 | 64Mb, 2.7–3.6V supply, supports HyperBus interface (not SPI/QPI); includes built-in ECC and 100K-cycle endurance | Targets high-reliability applications needing error correction and wider voltage range, not SPI-based designs | Choose only for new HyperBus-based platforms; not drop-in compatible due to voltage and interface mismatch |
Compared with MX25L6433FZNI-10G and S25FL164K0XMFI010, W25Q64FWZPIQ uniquely balances 1.8V operation, QPI acceleration, 64-bit UID, and OTP security registers - making it the only option among the three qualified for secure, low-voltage, high-speed XIP in industrial and automotive edge nodes.
Availability
W25Q64FWZPIQ is available at Aetrix Electronics and suitable for industrial PLCs, automotive ADAS modules, IoT edge nodes, medical diagnostics equipment, and consumer electronics requiring stable component supply, long-lifecycle support, and guaranteed traceable sourcing.
Supply support for W25Q64FWZPIQ 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 memory solutions, including serial NOR/NAND flash, RAM, and mobile DRAM, serving industrial, automotive, and communications markets since 1987.
The W25Q series was designed specifically for high-performance, low-voltage embedded code storage - emphasizing XIP capability, security, and multi-interface flexibility (SPI/QPI) in compact packages for next-generation microcontroller applications.
FAQ
What is the operating voltage range for W25Q64FWZPIQ?
W25Q64FWZPIQ operates over a strict 1.65 V to 1.95 V supply range. This 1.8 V nominal interface enables compatibility with modern ultra-low-power MCUs and reduces system-level power conversion complexity. Operation outside this range may cause undefined behavior or permanent damage, and the device does not support 3.3 V I/O tolerance - level-shifting is required in mixed-voltage systems.
Does W25Q64FWZPIQ support execute-in-place (XIP) functionality?
Yes, W25Q64FWZPIQ supports true XIP via Continuous Read Mode and Quad I/O instructions, achieving up to 50 MB/s sustained read throughput. Its 8-clock instruction overhead and 416 MHz equivalent Quad I/O bandwidth allow direct CPU instruction fetch without RAM buffering - verified in ARM Cortex-M and RISC-V reference designs using Fast Read Quad I/O (EBh) and QPI modes.
How is the /HOLD pin used in W25Q64FWZPIQ, and can it be reconfigured?
In W25Q64FWZPIQ, Pin 7 functions as /HOLD (active-low pause) when the Quad Enable (QE) bit is cleared (QE=0); when QE=1, it becomes IO3 for Quad SPI/QPI. Additionally, the HOLD/RST bit in Status Register-3 allows configuring this pin as hardware /RESET - enabling dual-mode use without external logic, provided QE remains 0 during reset-sensitive sequences.
What security features does W25Q64FWZPIQ provide beyond basic write protection?
W25Q64FWZPIQ includes three 256-byte OTP-lockable security registers, a 64-bit unique serial number per die, JEDEC-standard manufacturer/device ID, and SFDP register for discoverable parameters. Its block/sector lock commands (36h/39h/7Eh/98h) support granular, irreversible locking - enabling secure bootloader partitions and regulatory audit log immutability not achievable with standard /WP pin protection alone.
Is W25Q64FWZPIQ pin-compatible with other Winbond W25Q64 variants?
W25Q64FWZPIQ shares identical pinout and electrical behavior with all W25Q64FW variants in the same package type (e.g., W25Q64FWSSIG, W25Q64FWZPIQ, W25Q64FWUXIQ), including SOIC, WSON, and WLCSP footprints. Differences are limited to temperature grade (-40°C to +85°C for ZPIQ) and packaging - no PCB redesign is needed when substituting within the W25Q64FW family.
W25Q64FWZPIQ 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)
W25Q64FWZPIQ FAQ
1.How can I place an order for W25Q64FWZPIQ through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q64FWZPIQ 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 W25Q64FWZPIQ reliable?
The price and inventory of W25Q64FWZPIQ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q64FWZPIQ is usually 5 days.
3.What payment methods are accepted for W25Q64FWZPIQ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q64FWZPIQ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q64FWZPIQ?
W25Q64FWZPIQ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q64FWZPIQ 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 W25Q64FWZPIQ?
For technical support, including W25Q64FWZPIQ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q64FWZPIQ requirements.
6.How does Aetrix verify that W25Q64FWZPIQ is sourced from the original manufacturer or authorized distributors?
All W25Q64FWZPIQ 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 W25Q64FWZPIQ meets industry standards.
7.What is the process for return or replacement of W25Q64FWZPIQ?
All W25Q64FWZPIQ units undergo pre-shipment inspection (PSI). If there is an issue with W25Q64FWZPIQ, 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 W25Q64FWZPIQ part is unused and in its original packaging.
Return procedure for W25Q64FWZPIQ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q64FWZPIQ Tags
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M24C02-WMN6TP
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AT24C02C-XHM-T
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AT21CS01-STUM10-T
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M24C02-FMC6TG
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AT24CS02-SSHM-T
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93LC46BT-I/OT
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AT24C04C-SSHM-T
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