W74M12JWZPIQ

The W74M12JWZPIQ is a 128 Mbit non-volatile NAND flash memory device in the Winbond W74M Authentication Flash family. It provides SPI Quad I/O access to a 16M × 8 memory organization and integrates authentication-focused features to help secure stored code and data.

Designed for emerging IoT and embedded systems, the device combines a 104 MHz clock-capable SPI/Quad interface, low-voltage operation (1.7 V to 1.95 V), and on-chip authentication primitives to enable multi-layer authenticity and protection against cloning and replay attacks.

Key Features

• Memory Type & Capacity  128 Mbit NAND flash organized as 16M × 8 for code and data storage.
• Interface & Performance  SPI – Quad I/O interface supporting operation up to 104 MHz for high-throughput serial access.
• Authentication Engine  Integrated HMAC-SHA-256 crypto accelerator for message authentication and integrity verification.
• Monotonic Counters  Four separate monotonic flash counters, each HMAC-signed by individual secret keys, enabling anti-cloning and time-stamped message resistance to reply attacks.
• Voltage & Temperature  Low-voltage supply operation from 1.7 V to 1.95 V and specified operating temperature range of -40 °C to 85 °C (TA).
• Package  8-lead WDFN with exposed pad; supplier device package listed as 8-WSON (6 × 5 mm) for compact PCB footprint.
• Technology  FLASH - NAND, non-volatile memory format for persistent storage of firmware, keys, and data.

Typical Applications

• IoT Devices: Adds multi-layer authentication and secure storage of keys and firmware to protect networked sensors and endpoints.
• Mobile Accessories: Protects firmware integrity and prevents cloning of accessory modules through monotonic counters and HMAC signatures.
• Home & Smart Home: Enables authenticated firmware updates and device identity verification for automation and consumer devices.
• Industrial Control: Provides tamper-resistant storage and anti-cloning measures for control modules and embedded controllers.

Unique Advantages

• Integrated Cryptographic Accelerator: On-chip HMAC-SHA-256 reduces host processing overhead for authentication tasks.
• Monotonic Counters for Anti-Cloning: Four independent monotonic flash counters, HMAC-signed by separate keys, support anti-replay and anti-clone strategies.
• Low-Voltage Operation: 1.7 V to 1.95 V supply range enables usage in low-voltage system designs.
• Compact Package: 8-lead WDFN with exposed pad / 8-WSON (6 × 5 mm) supplier package minimizes PCB area for space-constrained designs.
• Designed for Multi-Layer Authentication: Product family focus and on-chip features simplify integration of layered authenticity into existing designs.

Why Choose W74M12JWZPIQ?

The W74M12JWZPIQ positions itself as a security-minded 128 Mbit SPI/Quad flash device that pairs conventional NAND storage with dedicated authentication features. Its HMAC-SHA-256 accelerator and monotonic counters make it suitable for designs that require verified integrity, anti-cloning measures, and resistance to replay-style attacks while operating in a compact, low-voltage footprint.

This device is appropriate for engineers building IoT, consumer, and industrial products that need persistent storage plus built-in mechanisms for multi-layered authenticity and firmware protection, supported by Winbond’s W74M product family design approach.

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