EN35QXR256A-104WIP(2SC)

The EN35QXR256A-104WIP(2SC) is a 256 Mbit serial SPI NOR Flash memory device in an industrial-grade, surface-mount WSON package. It implements a single-supply serial interface with Standard, Dual and Quad I/O support and is designed for embedded systems requiring high-density non-volatile storage with sector-level erase and advanced protection features.

Optimized for high-performance read operations, the device supports Fast Read up to 104 MHz (Single/Dual/Quad I/O) and provides a combination of low-power operation, fast program/erase cycles and security features tailored to firmware and data-storage applications in industrial environments.

Key Features

• Memory Capacity & Organization  256 Mbit capacity organized as 32M × 8 (32,768 KByte) with 131,072 pages and 256 bytes per programmable page for fine-grained data management.
• Serial SPI Architecture  Supports Standard, Dual and Quad SPI modes with typical SPI signals (CLK, CS#, DI/DO and DQ₂/DQ₃), enabling flexible I/O configurations for different throughput requirements.
• High-Speed Read  Fast Read operation at 104 MHz for Single/Dual/Quad I/O; Quad I/O Fast Read up to 133 MHz in the higher 3.0–3.6 V range (as described in device documentation).
• Program & Erase Performance  Typical page program time ~0.5 ms; sector erase ~40 ms; half-block and block erase times and full chip erase are documented for rapid field updates and maintenance.
• Power & Voltage  Single-supply operation in the documented 2.7–3.6 V range with low-power consumption: typical active current ~12 mA and typical power-down current ~1 μA.
• Reliability & Data Retention  Minimum 100K program/erase cycles per sector and typical data retention of 20 years for long-term storage of firmware and critical data.
• Security & Protection  Uniform 4 KB sector architecture with software and hardware write-protect options, lockable 3 × 512-byte OTP security sector, Read Unique ID and a Replay-Protected Monotonic Counter (RPMC).
• Package & Temperature  Surface-mount 8-pin WSON package (5 × 6 mm) with industrial operating temperature range −40 °C to 85 °C suitable for embedded and industrial applications.
• Standards & Features  Supports Serial Flash Discoverable Parameters (SFDP) and selectable 3-byte/4-byte addressing to simplify system integration and scaling to larger memory maps.

Typical Applications

• Industrial Embedded Controllers  Reliable non-volatile storage for firmware and configuration data in industrial controllers and automation devices operating across −40 °C to 85 °C.
• Firmware Storage & Field Updates  Page-program and sector-erase capability enable efficient firmware patches and in-field code updates while protecting unmodified regions of memory.
• Secure Data Storage  Lockable OTP sector and RPMC support provide features useful for secure identifiers, counters and protected configuration storage.
• Embedded Systems Requiring High Read Throughput  104 MHz Fast Read and Quad I/O support accelerate code execution and data access in space-constrained, high-performance embedded platforms.

Unique Advantages

• Flexible I/O Modes: Single/Dual/Quad SPI support lets designers trade off pin usage and throughput to match system requirements.
• Fast, Low-Power Operation: 104 MHz Fast Read performance combined with typical active and power-down currents supports responsive systems without excessive power draw.
• Granular Erase & Protection: 4 KB uniform sectors and software/hardware write protection make targeted updates safe and efficient, reducing erase overhead.
• Long-Term Data Integrity: 100K cycle endurance and 20-year data retention provide durability for persistent firmware and data storage needs.
• Compact Industrial Package: 8-pin WSON surface-mount package and an industrial temperature rating simplify integration into space-constrained, ruggedized designs.
• Security & Identification Features: Lockable OTP, Read Unique ID and RPMC enable protected storage and device-specific security functions.

Why Choose EN35QXR256A-104WIP(2SC)?

The EN35QXR256A-104WIP(2SC) balances high-density non-volatile storage with high-speed SPI read performance and a focused set of protection and security features. Its documented program/erase timings, endurance and long data retention make it well suited for embedded and industrial firmware storage, secure configuration retention and systems that require reliable field updates.

With support for Standard/Dual/Quad I/O, SFDP, flexible addressing and a compact industrial WSON package, this device is appropriate for designers seeking a proven SPI NOR solution that integrates performance, durability and sector-level control into space-constrained boards.

Request a quote or submit an RFQ to begin procurement for EN35QXR256A-104WIP(2SC) and include your required quantities and lead-time needs. Our team will provide pricing and availability details tailored to your project.