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Winbond Electronics Corporation W25Q64JVZEJQ

Name: W25Q64JVZEJQ
Brand: Winbond Electronics Corporation
SKU: W25Q64JVZEJQ
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: W25Q64JVZEJQ

Manufacturer:: Winbond Electronics Corporation

Category:: Memory

Package:: 8-WDFN Exposed Pad

Datasheet:: W25Q64JVZEJQ.pdf

Description:: IC FLASH 64MBIT SPI/QUAD 8WSON

Quantity:: RFQ Add To RFQ list

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Product details

Overview

W25Q64JVZEJQ from Winbond is a 64M-bit (8MB) serial NOR flash memory IC supporting Standard, Dual, and Quad SPI interfaces. It features 32,768 pages of 256 bytes each, 4KB uniform sector erase, 133MHz max clock frequency, and operates from 2.7V to 3.6V with <1µA power-down current. It is used for code execution (XIP), firmware storage, and parameter retention in embedded microcontrollers and IoT edge devices.

For engineers reviewing the W25Q64JVZEJQ datasheet, W25Q64JVZEJQ pinout, W25Q64JVZEJQ application, or W25Q64JVZEJQ equivalent, key selection criteria include Quad SPI enable (QE bit), hardware /RESET availability in TFBGA/SOIC-16 packages, 4KB sector granularity for OTA updates, and JEDEC-compliant SFDP register support for auto-configuration.

Technical Context

The W25Q64JVZEJQ implements a SPI-compatible command set with three operational modes: Standard (DI/DO), Dual (IO0/IO1), and Quad (IO0–IO3), where Quad mode requires non-volatile QE bit = 1 in Status Register-2. Its architecture includes a 256-byte page buffer, sector/block erase logic, and three 256-byte security registers with OTP lock bits.

It supports JEDEC-standard Manufacturer ID (EFh), Device ID (4017h), 64-bit unique serial number, and SFDP v1.6 register for configurable timing and feature discovery. Hardware reset (/RESET) is available only on SOIC-16 and TFBGA packages - not on the ZE (WSON 8x6-mm) variant - while /HOLD functionality is disabled in Quad mode as IO3.

Key Specifications

Parameter	Value and Actual Design Meaning
Memory Density	64 M-bit (8 MB); enables full firmware image storage for mid-tier MCUs without external memory expansion.
Interface Modes	Standard/Dual/Quad SPI; allows scalable bandwidth: up to 532 MB/s effective read rate in Quad I/O mode.
Erase Granularity	4 KB sectors (2,048 total); supports fine-grained OTA firmware patching and configuration partitioning.
Max Clock Frequency	133 MHz; delivers 266 MHz (Dual) or 532 MHz (Quad) equivalent throughput for XIP latency reduction.
Supply Voltage	2.7 V to 3.6 V; compatible with 3.3 V logic domains and brown-out tolerant in industrial environments.
Data Retention	20+ years; ensures long-term reliability for unattended embedded deployments like smart meters and sensors.
Endurance	100,000 program/erase cycles per sector; supports frequent logging or runtime parameter updates.
Operating Temp	−40°C to +85°C; qualified for commercial and industrial ambient conditions without derating.

Pinout & Package

W25Q64JVZEJQ uses the WSON 8x6-mm (Package Code ZE) 8-pad surface-mount package, with exposed thermal pad. Pin 1 is /CS, Pin 2 is DO (IO1), Pin 3 is /WP (IO2), Pin 4 is GND, Pin 5 is DI (IO0), Pin 6 is CLK, Pin 7 is /HOLD or /RESET (IO3), and Pin 8 is VCC. The /HOLD function is active low and disabled in Quad mode; no dedicated /RESET pin is present in this package.

Pin/Terminal	Circuit Role	Design Meaning
/CS (Pin 1)	Chip Select Input	Active-low enable: high-Z output and standby current (<1 µA) when deasserted; required high-to-low transition before instruction acceptance.
DO / IO1 (Pin 2)	Data Output / Bidirectional I/O	Unidirectional output in Standard SPI; becomes bidirectional IO1 in Dual/Quad modes; supports Fast Read Dual/Quad Output instructions.
/WP / IO2 (Pin 3)	Write Protect Input / Bidirectional I/O	Hardware write-protection for status register when low; repurposed as IO2 in Quad mode after QE=1 is set.
GND (Pin 4)	Ground Reference	Primary return path for all I/O and core logic; must be low-impedance and decoupled near VCC pin.
DI / IO0 (Pin 5)	Data Input / Bidirectional I/O	Unidirectional input in Standard SPI; becomes bidirectional IO0 in Dual/Quad modes; used for all instruction/address/data writes.
CLK (Pin 6)	Serial Clock Input	Edge-triggered timing source; supports SPI Mode 0 and Mode 3; max 133 MHz; requires stable duty cycle and monotonic edges.
/HOLD / IO3 (Pin 7)	Hold Input / Bidirectional I/O	Pauses ongoing SPI transfer when low (active low); disabled in Quad mode and repurposed as IO3; not functional as /RESET in ZE package.
VCC (Pin 8)	Power Supply	2.7–3.6 V supply; requires local 100 nF ceramic decoupling; powers internal charge pumps for erase/program operations.

Key Features

Feature	Design Value
Quad Enable (QE) Bit	Non-volatile bit in Status Register-2 that permanently enables IO2/IO3 for Quad SPI operation; required before issuing Quad Read/Program commands.
Erase/Program Suspend	Allows pausing active erase or program operations to service time-critical reads; resumes via dedicated Resume instruction (7Ah).
Security Registers	Three 256-byte one-time-programmable (OTP) registers for keys, certificates, or calibration data; locked via LB1–LB3 bits in Status Register-3.
SFDP Register	JEDEC JESD216-compliant Serial Flash Discoverable Parameters table at address 000000h; enables automatic driver initialization and timing configuration.
Individual Sector Lock	Per-sector software lock/unlock capability (36h/39h instructions) for secure firmware partitioning without affecting adjacent sectors.
Top/Bottom Protection	Configurable TB bit allows hardware write protection of either top or bottom half of memory array, independent of BP bits.

Applications

Secure Firmware Update	Code Execution from Flash (XIP)
Use Scenario: Over-the-air (OTA) firmware update in battery-powered wireless sensor nodes requiring atomic sector-level writes and rollback safety. IC Role / Device Role / Timing Role: Non-volatile storage for dual-bank firmware images; uses 4KB sector erase and individual sector lock to isolate active/inactive banks during update. Use Value: Enables safe, interruptible updates with verified integrity - leveraging Erase Suspend and Security Registers to prevent corruption during power loss.	Use Scenario: Booting ARM Cortex-M7 MCU directly from flash without copying to RAM, minimizing boot time and SRAM usage in automotive ADAS modules. IC Role / Device Role / Timing Role: XIP-capable Quad SPI memory delivering 532 MB/s effective read bandwidth; supports Execute-in-Place with cache-friendly sequential access patterns. Use Value: Reduces system BOM by eliminating external RAM for code storage and cuts boot latency by >40% versus parallel NOR flash alternatives.
Industrial HMI Configuration Storage	Medical Device Calibration Data
Use Scenario: Storing UI themes, language packs, and user preferences in factory-floor HMIs subject to frequent reconfiguration and ESD exposure. IC Role / Device Role / Timing Role: Parameter storage with hardware /WP pin and BP bits for write-protection; leverages 100K-cycle endurance for daily field updates. Use Value: Prevents accidental overwrites during maintenance via physical /WP tie-down, while retaining flexibility for authorized updates via software unlock.	Use Scenario: Storing factory-calibrated sensor offsets and linearization coefficients in portable ultrasound transducers requiring lifetime traceability. IC Role / Device Role / Timing Role: Secure non-volatile repository for calibration data; uses OTP Security Registers and 64-bit Unique ID for device-specific binding. Use Value: Ensures regulatory compliance (IEC 62304) by preventing unauthorized modification and enabling audit-ready device serialization.

Secure Firmware Update

Code Execution from Flash (XIP)

Use Scenario: Over-the-air (OTA) firmware update in battery-powered wireless sensor nodes requiring atomic sector-level writes and rollback safety.

IC Role / Device Role / Timing Role: Non-volatile storage for dual-bank firmware images; uses 4KB sector erase and individual sector lock to isolate active/inactive banks during update.

Use Value: Enables safe, interruptible updates with verified integrity - leveraging Erase Suspend and Security Registers to prevent corruption during power loss.

Use Scenario: Booting ARM Cortex-M7 MCU directly from flash without copying to RAM, minimizing boot time and SRAM usage in automotive ADAS modules.

IC Role / Device Role / Timing Role: XIP-capable Quad SPI memory delivering 532 MB/s effective read bandwidth; supports Execute-in-Place with cache-friendly sequential access patterns.

Use Value: Reduces system BOM by eliminating external RAM for code storage and cuts boot latency by >40% versus parallel NOR flash alternatives.

Industrial HMI Configuration Storage

Medical Device Calibration Data

Use Scenario: Storing UI themes, language packs, and user preferences in factory-floor HMIs subject to frequent reconfiguration and ESD exposure.

IC Role / Device Role / Timing Role: Parameter storage with hardware /WP pin and BP bits for write-protection; leverages 100K-cycle endurance for daily field updates.

Use Value: Prevents accidental overwrites during maintenance via physical /WP tie-down, while retaining flexibility for authorized updates via software unlock.

Use Scenario: Storing factory-calibrated sensor offsets and linearization coefficients in portable ultrasound transducers requiring lifetime traceability.

IC Role / Device Role / Timing Role: Secure non-volatile repository for calibration data; uses OTP Security Registers and 64-bit Unique ID for device-specific binding.

Use Value: Ensures regulatory compliance (IEC 62304) by preventing unauthorized modification and enabling audit-ready device serialization.

Equivalent & Alternatives

The following parts are listed as comparable options for similar serial NOR flash applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MX25L6433FZNI-10G	64 M-bit, 104 MHz max clock, supports DTR Quad mode; lacks SFDP register and security registers.	No built-in parameter auto-discovery; requires fixed driver timing; no OTP calibration storage.	Select when cost sensitivity outweighs configurability and security needs; verify timing margins manually.
S25FL164K0XMFI010	64 M-bit, 80 MHz max clock, HyperBus interface option; includes 256-byte OTP lockable sectors but no 64-bit UID.	Lower bandwidth than W25Q64JVZEJQ in SPI mode; HyperBus requires different controller IP.	Prefer for Cypress/PSoC-based designs with HyperFlash compatibility; avoid if Quad SPI XIP performance is critical.

Compared with MX25L6433FZNI-10G and S25FL164K0XMFI010, W25Q64JVZEJQ provides superior bandwidth (133 MHz vs ≤104 MHz), JEDEC SFDP for plug-and-play driver setup, and dedicated security registers - making it optimal for secure, high-speed embedded boot and OTA systems where timing predictability and data integrity are design-critical.

Availability

W25Q64JVZEJQ is available at Aetrix Electronics and suitable for industrial control panels, medical diagnostic instruments, and automotive telematics modules requiring stable component supply across multi-year production cycles.

Supply support for W25Q64JVZEJQ 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-reliability, low-power, and flexible SPI-based code and data storage - optimized for XIP, OTA updates, and secure firmware deployment in space-constrained designs.

FAQ

What is the package type and pin count of W25Q64JVZEJQ?

W25Q64JVZEJQ uses an 8-pad WSON package measuring 8 mm × 6 mm (Package Code ZE). It has eight terminals: /CS, DO (IO1), /WP (IO2), GND, DI (IO0), CLK, /HOLD (IO3), and VCC. Unlike SOIC-16 or TFBGA variants, this package does not include a dedicated /RESET pin - /HOLD serves as IO3 in Quad mode only.

Does W25Q64JVZEJQ support Quad SPI mode out of the box?

No, W25Q64JVZEJQ requires explicit configuration to enable Quad SPI. The non-volatile Quad Enable (QE) bit in Status Register-2 must be set to '1' using the Write Status Register-2 (31h) instruction. Until then, IO2 and IO3 remain unavailable, and /WP and /HOLD retain their hardware protection functions.

How many program/erase cycles does W25Q64JVZEJQ guarantee per sector?

W25Q64JVZEJQ guarantees a minimum of 100,000 program/erase cycles per 4KB sector. This endurance rating applies under specified operating conditions (2.7–3.6 V, −40°C to +85°C) and is validated per JEDEC standards, supporting frequent field updates in industrial logging and configuration applications.

Can W25Q64JVZEJQ be used for secure key storage?

Yes, W25Q64JVZEJQ includes three 256-byte Security Registers with one-time-programmable (OTP) lock bits (LB1–LB3). Once locked, these registers cannot be rewritten, making them suitable for storing cryptographic keys, device certificates, or calibration secrets - provided the locking sequence is executed correctly during manufacturing.

What is the purpose of the SFDP register in W25Q64JVZEJQ?

The SFDP (Serial Flash Discoverable Parameters) register in W25Q64JVZEJQ is a JEDEC JESD216-compliant table located at address 0x000000. It provides standardized, read-only descriptors for timing parameters, erase block sizes, and feature flags - enabling host drivers to auto-configure without hard-coded constants or vendor-specific knowledge.

W25Q64JVZEJQ Specifications

Product attributes: Attribute value

Manufacturer:: Winbond Electronics Corporation

Series:: SpiFlash®

Package/Case:: 8-WDFN Exposed Pad

Packaging:: Tube

Product Status:: Active

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

Clock Frequency:: 133 MHz

Write Cycle Time - Word, Page:: 3ms

Access Time:: -

Voltage - Supply:: 2.7V ~ 3.6V

Operating Temperature:: -40°C ~ 105°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 8-WSON (8x6)

W25Q64JVZEJQ FAQ

1.How can I place an order for W25Q64JVZEJQ through Aetrix?

Please submit a Request for Quotation (RFQ) for W25Q64JVZEJQ 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 W25Q64JVZEJQ reliable?

The price and inventory of W25Q64JVZEJQ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q64JVZEJQ is usually 5 days.

3.What payment methods are accepted for W25Q64JVZEJQ?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q64JVZEJQ transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for W25Q64JVZEJQ?

W25Q64JVZEJQ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your W25Q64JVZEJQ 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 W25Q64JVZEJQ?

For technical support, including W25Q64JVZEJQ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q64JVZEJQ requirements.

6.How does Aetrix verify that W25Q64JVZEJQ is sourced from the original manufacturer or authorized distributors?

All W25Q64JVZEJQ 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 W25Q64JVZEJQ meets industry standards.

7.What is the process for return or replacement of W25Q64JVZEJQ?

All W25Q64JVZEJQ units undergo pre-shipment inspection (PSI). If there is an issue with W25Q64JVZEJQ, 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 W25Q64JVZEJQ part is unused and in its original packaging.

Return procedure for W25Q64JVZEJQ:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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