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Winbond Electronics Corporation W74M12FVZPIQ TR
- Part No.:
- W74M12FVZPIQ TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
W74M12FVZPIQ TR.pdf
- Description:
- IC FLASH 128MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:
- Shipping:
Inventory:2,140
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Product details
Overview
W74M12FVZPIQ TR from Winbond is a 128M-bit (16MB) serial flash memory IC with integrated HMAC-SHA-256 cryptographic engine, supporting standard/Dual/Quad SPI up to 104 MHz, operating from 2.7–3.6 V, and featuring four sets of non-volatile 256-bit Root Keys, volatile 256-bit HMAC Keys, and 32-bit monotonic counters for secure device authentication in embedded boot and firmware storage applications.
For engineers reviewing the W74M12FVZPIQ TR datasheet, W74M12FVZPIQ TR pinout, W74M12FVZPIQ TR application, or W74M12FVZPIQ TR equivalent, this page delivers verified technical context, authenticated security architecture details, SOIC-8 pin mapping, real-world authentication use cases, and validated alternative parts for secure firmware storage designs requiring anti-counterfeiting and replay attack protection.
Technical Context
The W74M12FVZPIQ TR implements a dedicated authentication subsystem independent of main flash operations, using HMAC-SHA-256 to validate host-device pairing via four configurable monotonic counters, each tied to a unique 256-bit Root Key and volatile HMAC Key. Authentication commands (OP1/OP2) operate exclusively in Standard SPI mode with fixed 64-/40-/48-byte payloads and signature verification before execution.
Its flash array uses uniform 4KB sectors with erase/program suspend-resume capability, while the crypto engine performs two sequential HMAC-SHA-256 computations during HMAC key updates and validates truncated signatures against 224 LSBs of full 256-bit outputs - all enforced by status register bits (BUSY, Signature Mismatch, Counter Address out of range) that are readable mid-operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 128 M-bit (16 MB) - supports full firmware image storage with XIP capability for microcontrollers lacking internal flash. |
| SPI Interface Modes | Standard / Dual / Quad SPI - enables 50 MB/s continuous read throughput via Quad I/O Fast Read at 104 MHz clock. |
| Authentication Engine | HMAC-SHA-256 crypto accelerator - performs key derivation, counter validation, and signature generation without host CPU involvement. |
| Security Registers | 4×256-bit OTP Root Keys + 4×256-bit volatile HMAC Keys + 4×32-bit monotonic counters - enables secure pairing with up to four distinct hosts. |
| Operating Voltage | 2.7 V to 3.6 V - compatible with 3.3 V logic systems and industrial power rails without level-shifting. |
| Data Retention | 20+ years - ensures long-term integrity of boot code and cryptographic keys in unpowered storage. |
| Erase/Program Cycles | 100,000 cycles - supports field firmware updates over product lifetime without premature wear-out. |
Pinout & Package
W74M12FVZPIQ TR is packaged in an 8-pin SOIC 208-mil (Package Code SS), with pins arranged in standard dual-inline configuration and fully compliant with JEDEC MS-012. Pin functions support both legacy SPI and high-speed Quad I/O operation while maintaining signal integrity under 104 MHz clocking.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS | Chip Select Input | Active-low enable controlling device selection; must transition high→low after power-up before instruction acceptance. |
| IO0 | Bidirectional Data I/O (DI/DO) | Primary data line for Standard/Dual SPI; serves as DI (input) or DO (output) depending on instruction phase. |
| IO1 | Bidirectional Data I/O | Secondary data line used in Dual/Quad SPI modes; carries output data on falling CLK edge in Dual I/O reads. |
| GND | Ground Reference | Signal and power return path; decoupling capacitor placement near this pin minimizes noise coupling into crypto operations. |
| VCC | Power Supply | 2.7–3.6 V supply input; powers flash array, interface logic, and HMAC engine; requires stable regulation for secure key handling. |
| CLK | Serial Clock Input | Timing reference for all SPI transfers; rising edge latches input, falling edge samples output; supports up to 104 MHz. |
| IO2 | Bidirectional Data I/O | Third data line active only in Quad SPI mode; enables 4-bit-wide transfers for maximum bandwidth efficiency. |
| IO3 | Bidirectional Data I/O | Fourth data line active only in Quad SPI mode; completes 4-line bus for 416 Mbps effective throughput (104 MHz × 4). |
Key Features
| Feature | Design Value |
|---|---|
| Secure Authentication Flow | Root Key initialization → HMAC Key update per power cycle → monotonic counter increment/read - prevents cloning and replay attacks. |
| Monotonic Counter Protection | Four independent 32-bit non-volatile counters, each paired with unique Root Key and HMAC Key - enables multi-host trust domain isolation. |
| Authentication Status Register | 8-bit register with BUSY, Signature Mismatch, and Counter Address error flags - allows real-time diagnostics without halting main flash access. |
| Dual-Mode Operation | Main flash and authentication subsystem operate independently - permits concurrent firmware reads and secure counter validation. |
| OTP Lockdown Capability | One-time programmable locks for Root Keys and Security Registers - ensures cryptographic secrets remain inaccessible post-configuration. |
Applications
| Secure Boot Storage | Firmware Anti-Counterfeiting |
|---|---|
Use Scenario: Storing signed bootloader images in medical infusion pumps where regulatory compliance mandates tamper-evident firmware integrity. IC Role / Device Role / Timing Role: W74M12FVZPIQ TR acts as authenticated code storage, verifying HMAC signatures before loading bootloader into RAM during cold start. Use Value: Prevents unauthorized firmware replacement by validating monotonic counter state and root key binding - meeting IEC 62304 Class C requirements. |
Use Scenario: Protecting FPGA configuration bitstreams in industrial PLC modules against counterfeit reprogramming in field-deployed units. IC Role / Device Role / Timing Role: W74M12F12FVZPIQ TR serves as trusted configuration source, performing HMAC-based challenge-response with host FPGA during configuration load. Use Value: Detects cloned flash devices via unique 64-bit serial number and counter drift analysis - blocks unauthorized replication of certified hardware. |
| Edge AI Module Identity | Automotive Telematics Secure Update |
Use Scenario: Establishing device identity for OTA firmware signing in battery-powered smart sensors deployed across remote IoT networks. IC Role / Device Role / Timing Role: W74M12FVZPIQ TR stores device-specific credentials and signs session tokens using HMAC-SHA-256 during TLS handshake initiation. Use Value: Enables zero-touch provisioning with hardware-rooted identity - eliminates need for external secure elements in cost-sensitive edge nodes. |
Use Scenario: Securing over-the-air ECU firmware updates in connected vehicle gateways where rollback and spoofing attacks are high-risk threats. IC Role / Device Role / Timing Role: W74M12FVZPIQ TR holds immutable root keys and validates update package signatures before allowing flash programming sequence. Use Value: Enforces monotonic counter enforcement to prevent downgrade attacks - satisfies UNECE R155 cybersecurity management system requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar secure serial flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ATXP032A-SSH-T | 32 M-bit density, no integrated HMAC engine; relies on external MCU for SHA-256 computation and counter management. | Lacks native monotonic counter and Root Key OTP storage - requires additional secure element or software stack for equivalent security. | Choose when lower memory capacity suffices and host MCU has cryptographic acceleration resources. |
| MX25L12835FZNI-10G | 128 M-bit density, standard SPI-only interface (no Dual/Quad), no authentication hardware - supports SFDP but no HMAC-SHA-256 engine. | Provides basic flash functionality without secure boot primitives - suitable only for non-critical firmware storage. | Choose only if cryptographic authentication is handled externally and Quad SPI bandwidth is unnecessary. |
Compared with ATXP032A-SSH-T and MX25L12835FZNI-10G, the W74M12FVZPIQ TR uniquely integrates hardware-accelerated HMAC-SHA-256, four independent monotonic counters, and OTP-locked Root Keys - delivering end-to-end secure boot capability without host processor overhead or external security components.
Availability
W74M12FVZPIQ TR is available at Aetrix Electronics and suitable for secure boot storage, firmware anti-counterfeiting, edge AI module identity, and automotive telematics secure update applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for W74M12FVZPIQ 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 manufacturer specializing in specialty memory solutions, including NOR/NAND flash, SRAM, and trusted computing components for industrial, automotive, and communications markets.
The W74M product line was designed specifically for secure firmware storage in resource-constrained embedded systems, integrating cryptographic acceleration and hardware-enforced authentication to replace discrete secure elements in cost-sensitive designs.
FAQ
What security functions does the W74M12FVZPIQ TR provide beyond standard serial flash?
The W74M12FVZPIQ TR provides integrated HMAC-SHA-256 cryptographic acceleration, four sets of non-volatile 256-bit Root Keys, four volatile 256-bit HMAC Keys, and four 32-bit monotonic counters - enabling hardware-enforced secure boot, device authentication, and anti-replay protection without external security ICs. These features are absent in conventional serial flash devices like standard SPI NOR memories.
Does the W74M12FVZPIQ TR support Quad SPI operation and what is its maximum data rate?
Yes, the W74M12FVZPIQ TR supports Quad SPI operation with a maximum clock frequency of 104 MHz, achieving an effective data rate of 416 Mbps (104 MHz × 4 lines). This is confirmed in the "Features" section of the datasheet and enables faster firmware loading than standard 8-bit parallel flash in space-constrained designs.
How many independent secure authentication domains does the W74M12FVZPIQ TR support?
The W74M12FVZPIQ TR supports four independent secure authentication domains, each with its own 256-bit Root Key, 256-bit volatile HMAC Key, and 32-bit monotonic counter. This allows a single W74M12FVZPIQ TR to securely pair with up to four different host systems - such as multiple MCUs in a modular industrial controller.
What package type is used for the W74M12FVZPIQ TR and is pinout compatible with standard SOIC-8 flash devices?
The W74M12FVZPIQ TR uses an 8-pin SOIC 208-mil package (Package Code SS) with standard pin assignments: /CS, IO1, IO2, GND, IO0, CLK, IO3, VCC. Its pinout matches JEDEC-standard SOIC-8 serial flash footprints, enabling drop-in replacement in existing PCB layouts designed for compatible SPI flash devices.
Can the W74M12FVZPIQ TR be used for execute-in-place (XIP) applications?
Yes, the W74M12FVZPIQ TR supports execute-in-place (XIP) operation via Dual/Quad SPI interfaces, allowing microcontrollers to directly execute code from flash memory without copying to RAM. Its 104 MHz Quad SPI clock and 50 MB/s continuous read rate make it suitable for real-time XIP in resource-limited embedded systems.
W74M12FVZPIQ TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-WDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH - NAND
- Memory Size:
- 128Mbit
- Memory Organization:
- 16M x 8
- Memory Interface:
- SPI - Quad I/O
- Clock Frequency:
- 80 MHz
- Write Cycle Time - Word, Page:
- -
- Access Time:
- -
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-WSON (6x5)
W74M12FVZPIQ TR FAQ
1.How can I place an order for W74M12FVZPIQ TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W74M12FVZPIQ 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 W74M12FVZPIQ TR reliable?
The price and inventory of W74M12FVZPIQ TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W74M12FVZPIQ TR is usually 5 days.
3.What payment methods are accepted for W74M12FVZPIQ TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W74M12FVZPIQ TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W74M12FVZPIQ TR?
W74M12FVZPIQ TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W74M12FVZPIQ 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 W74M12FVZPIQ TR?
For technical support, including W74M12FVZPIQ TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W74M12FVZPIQ TR requirements.
6.How does Aetrix verify that W74M12FVZPIQ TR is sourced from the original manufacturer or authorized distributors?
All W74M12FVZPIQ 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 W74M12FVZPIQ TR meets industry standards.
7.What is the process for return or replacement of W74M12FVZPIQ TR?
All W74M12FVZPIQ TR units undergo pre-shipment inspection (PSI). If there is an issue with W74M12FVZPIQ 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 W74M12FVZPIQ TR part is unused and in its original packaging.
Return procedure for W74M12FVZPIQ TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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