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Winbond Electronics Corporation W25Q64JWUUIM TR
- Part No.:
- W25Q64JWUUIM TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-UFDFN Exposed Pad
- Datasheet:
-
W25Q64JWUUIM TR.pdf
- Description:
- IC FLASH 64MBIT SPI/QUAD 8USON
- Quantity:
- Payment:
- Shipping:
Inventory:4,297
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Product details
Overview
W25Q64JWUUIM TR from Winbond is a 1.8V, 64M-bit (8MB) serial NOR flash memory supporting Dual/Quad SPI, QPI, and Double Transfer Rate (DTR) read modes. It features uniform 4KB sectors (1,024 total), 32KB/64KB blocks, 256-byte page programming, and operates with 1mA active current and 0.1µA power-down current. It is used for code execution-in-place (XIP), firmware storage, and parameter retention in space-constrained embedded systems.
For engineers reviewing the W25Q64JWUUIM TR datasheet, W25Q64JWUUIM TR pinout, W25Q64JWUUIM TR application, or W25Q64JWUUIM TR equivalent, key selection criteria include Quad Enable (QE) bit configuration, /HOLD vs /RESET pin behavior in 8-pin packages, DTR timing compliance, JEDEC ID (EF4017), and USON 4x3-mm (UU) package mechanical compatibility.
Technical Context
The W25Q64JWUUIM TR implements a quad I/O SPI interface requiring non-volatile QE bit (Status Register-2, bit 1) to be set for IO2 (/WP) and IO3 (/HOLD) activation. Its DTR mode supports double-data-rate reads (e.g., 0Dh, EDh) synchronized to both clock edges, enabling up to 266 MB/s effective throughput at 133 MHz CLK.
It integrates volatile/non-volatile status register bits for sector/block protection (BP2–BP0, TB, SEC, CMP), security registers (3 × 256 bytes with OTP locks), and SFDP v1.6 support for discoverable parameters. The /RESET function is not available on 8-pin packages like UU - only /HOLD is implemented per pinout.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 64 M-bit (8 MB), organized as 32,768 × 256-byte pages |
| Supply Voltage | 1.7–1.95 V - requires tight regulation; incompatible with 3.3 V systems |
| Max Clock Frequency | 133 MHz for Quad I/O - enables 66 MB/s continuous read (266 MB/s DTR effective) |
| Erase Granularity | 4 KB sector / 32 KB block / 64 KB block - allows fine-grained firmware partitioning |
| Endurance & Retention | 100,000 program/erase cycles; >20 years data retention at 25°C |
| Interface Modes | Standard SPI, Dual SPI, Quad SPI, QPI, and DTR-capable read instructions (e.g., 0Dh, EDh) |
| JEDEC ID | EF4017 - confirms Winbond W25Q64JW family and enables auto-detection in boot ROMs |
Pinout & Package
W25Q64JWUUIM TR uses an 8-pad USON 4×3-mm package (Package Code UU), with exposed thermal pad. Pin functions are identical to SOIC-8 and other 8-pin variants except /RESET is omitted - /HOLD is the sole auxiliary control pin.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable; must transition high→low before instruction acceptance; tracks VCC during power sequencing |
| 2 DO (IO1) | Data Output / Bidirectional I/O | Unidirectional output in Standard SPI; bidirectional IO1 in Dual/Quad SPI; requires QE=1 for Quad use |
| 3 /WP (IO2) | Write Protect Input / Bidirectional I/O | Hardware write-protection when low; becomes IO2 in Quad mode (QE=1); not functional as /WP in Quad |
| 4 GND | Ground Reference | System ground return; connects to thermal pad for thermal dissipation in USON package |
| 5 DI (IO0) | Data Input / Bidirectional I/O | Unidirectional input in Standard SPI; bidirectional IO0 in Dual/Quad SPI; required for all instruction writes |
| 6 CLK | Serial Clock Input | Edge-triggered timing source; supports Mode 0 and Mode 3; max 133 MHz for Quad I/O |
| 7 /HOLD (IO3) | Hold Input / Bidirectional I/O | Pauses ongoing read/write when low; becomes IO3 in Quad mode (QE=1); no /RESET function in UU package |
| 8 VCC | Power Supply | 1.7–1.95 V supply; decoupling capacitor mandatory near pin; no internal LDO |
Key Features
| Feature | Design Value |
|---|---|
| DTR Read Support | Enables double-data-rate reads (e.g., 0Dh, EDh) for 2× bandwidth efficiency without increasing CLK frequency |
| Uniform 4KB Sectors | Allows independent firmware image, config, and log partitioning with no wasted erase overhead |
| Quad Enable (QE) Bit | Non-volatile bit in Status Register-2 controlling IO2/IO3 mapping - persistent across power cycles |
| Security Registers | Three 256-byte OTP-lockable registers for keys, certificates, or calibration data - immune to bulk erase |
| SFDP v1.6 Compliance | Enables automatic driver initialization via JEDEC-standard parameter table, reducing BSP porting effort |
Applications
| Industrial PLC Firmware Storage | Medical Device Boot Image |
|---|---|
Use Scenario: Storing certified bootloader and application firmware in Class I medical equipment requiring traceable, tamper-resistant updates. IC Role / Device Role / Timing Role: Primary non-volatile code storage with XIP capability and hardware write protection for regulatory compliance. Use Value: 4KB sector granularity enables atomic firmware patching; security registers store cryptographic keys; DTR mode accelerates boot verification. |
Use Scenario: Holding calibrated sensor coefficients and device-specific configuration in portable diagnostic tools operating across -40°C to +85°C. IC Role / Device Role / Timing Role: Parameter and calibration data repository with guaranteed 20-year retention and sector-level lock-down. Use Value: BP bits + /WP pin prevent accidental overwrite; 1.8V operation reduces system power; USON 4x3-mm saves PCB area. |
| Automotive Infotainment UI Assets | Smart Home Gateway OTA Storage |
Use Scenario: Caching graphical assets (icons, fonts, animations) in automotive head units where fast random access improves UI responsiveness. IC Role / Device Role / Timing Role: High-bandwidth asset cache using Quad I/O and DTR reads to minimize latency during GUI rendering. Use Value: 133 MHz Quad I/O delivers 66 MB/s sustained read - outperforms parallel NOR in same footprint; uniform sectors simplify asset management. |
Use Scenario: Storing signed firmware images and rollback partitions in cloud-connected home hubs requiring secure, field-upgradable storage. IC Role / Device Role / Timing Role: Secure OTA staging area with individual sector locking and unique 64-bit ID for device attestation. Use Value: Security registers hold signing keys; 100K endurance supports frequent updates; JEDEC ID enables automated inventory reconciliation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MX25L6433FZUI-10G | 3.3V supply, no DTR support, 80 MHz max Quad SPI clock, SFDP v1.5 | Lacks DTR and 133 MHz performance; suitable only for legacy 3.3V designs without bandwidth demand | Select only if voltage compatibility and absence of DTR are acceptable; not drop-in for W25Q64JWUUIM TR |
| S25FL164K0XMFI010 | 1.8V supply, 80 MHz Quad SPI, no DTR, HyperBus interface option, different security model | Lower bandwidth, no DTR acceleration, HyperFlash-compatible pinout but not software compatible | Consider for cost-sensitive 1.8V apps where 66 MB/s is unnecessary; requires driver rework due to command set differences |
Compared with MX25L6433FZUI-10G and S25FL164K0XMFI010, the W25Q64JWUUIM TR delivers higher bandwidth via DTR and 133 MHz operation, retains full 1.8V compatibility, and provides integrated security registers - making it optimal for next-gen resource-constrained, secure, high-speed embedded storage.
Availability
W25Q64JWUUIM TR is available at Aetrix Electronics and suitable for industrial control, medical diagnostics, automotive infotainment, and smart home gateway designs requiring stable component supply, long-lifecycle assurance, and USON 4x3-mm footprint compatibility.
Supply support for W25Q64JWUUIM 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 for embedded, communications, and consumer markets.
The W25Q64JW series targets high-performance, low-voltage embedded systems requiring fast XIP, robust security, and compact packaging - with the UU variant optimized for space-constrained USON layouts.
FAQ
What is the package type and footprint of W25Q64JWUUIM TR?
W25Q64JWUUIM TR uses an 8-pad USON (Ultra Thin Small Outline No-lead) package measuring 4 mm × 3 mm with an exposed thermal pad. It shares pinout compatibility with other 8-pin W25Q64JW variants (e.g., SOIC-8, XSON-8), but does not include a dedicated /RESET pin - only /HOLD is implemented. The UU suffix explicitly denotes this USON 4x3-mm configuration.
Does W25Q64JWUUIM TR support hardware reset (/RESET pin)?
No, W25Q64JWUUIM TR does not support hardware reset. The /RESET function is unavailable in all 8-pin packages including USON (UU), SOIC (SS), XSON (XG), and WSON (ZP/ZE). Pin 7 is exclusively /HOLD - it cannot be configured as /RESET. Hardware reset is only available on TFBGA (TB) and 16-pin SOIC packages per Winbond documentation.
How is Quad SPI enabled on W25Q64JWUUIM TR?
Quad SPI is enabled by setting the Quad Enable (QE) bit - bit 1 of Status Register-2 - to '1'. This is a non-volatile bit, so the setting persists across power cycles. When QE = 1, pins /WP (pin 3) and /HOLD (pin 7) become IO2 and IO3 respectively, completing the 4-bit I/O bus. Standard SPI commands remain accessible, but Quad instructions (e.g., 6Bh, EBh, EDh) require QE=1 to execute.
What is the significance of DTR mode in W25Q64JWUUIM TR?
DTR (Double Transfer Rate) mode allows W25Q64JWUUIM TR to sample and drive data on both rising and falling edges of the clock signal, doubling effective throughput without raising CLK frequency. Supported via instructions like 0Dh (DTR Fast Read) and EDh (DTR Fast Read Quad I/O), it achieves up to 266 MB/s effective bandwidth at 133 MHz - critical for accelerating boot time and UI asset loading in bandwidth-sensitive applications.
Can W25Q64JWUUIM TR be used in 3.3V systems?
No, W25Q64JWUUIM TR is strictly a 1.7–1.95 V device and is not 3.3 V tolerant. Applying 3.3 V to VCC or any I/O pin will cause permanent damage. Level-shifting circuitry is mandatory for interfacing with 3.3 V controllers. Its electrical characteristics - including timing, drive strength, and internal voltage references - are specified only within the 1.8 V nominal range.
W25Q64JWUUIM TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-UFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- 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, QPI, DTR
- Clock Frequency:
- 133 MHz
- Write Cycle Time - Word, Page:
- 3ms
- Access Time:
- 6 ns
- Voltage - Supply:
- 1.7V ~ 1.95V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-USON (4x3)
W25Q64JWUUIM TR FAQ
1.How can I place an order for W25Q64JWUUIM TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q64JWUUIM 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 W25Q64JWUUIM TR reliable?
The price and inventory of W25Q64JWUUIM TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q64JWUUIM TR is usually 5 days.
3.What payment methods are accepted for W25Q64JWUUIM TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q64JWUUIM TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q64JWUUIM TR?
W25Q64JWUUIM TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q64JWUUIM 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 W25Q64JWUUIM TR?
For technical support, including W25Q64JWUUIM TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q64JWUUIM TR requirements.
6.How does Aetrix verify that W25Q64JWUUIM TR is sourced from the original manufacturer or authorized distributors?
All W25Q64JWUUIM 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 W25Q64JWUUIM TR meets industry standards.
7.What is the process for return or replacement of W25Q64JWUUIM TR?
All W25Q64JWUUIM TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q64JWUUIM 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 W25Q64JWUUIM TR part is unused and in its original packaging.
Return procedure for W25Q64JWUUIM TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q64JWUUIM TR Tags
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M24C02-WMN6TP
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