EN35QX512A-104WIP(2SC)

The EN35QX512A-104WIP(2SC) is a 512 Mbit serial SPI NOR flash memory offering high-speed single/dual/quad I/O read modes and industry-grade operating range. It provides uniform 4 KB sectors, fast page programming and flexible block/sector erase for embedded code and data storage in industrial applications.

Designed for systems requiring non-volatile storage with hardware and software protection options, this device combines 104 MHz Fast Read performance with low-power standby and compact surface-mount packaging (8-pin WSON 5×6 mm) for space-constrained boards operating from −40 °C to 85 °C.

Key Features

• Memory Capacity & Organization — 512 Mbit density organized as 64M × 8 with 256-byte programmable pages and 262,144 pages total.
• Serial SPI Interface — SPI-compatible single, Dual and Quad I/O support (CLK, CS#, DI/DO, DQ₂/WP#, DQ₃/HOLD#) with default Quad Enable (QE=1) and support for Standard/Dual/Quad SPI modes.
• High-Speed Read — 104 MHz clock rate for Single/Dual/Quad I/O Fast Read; Quad I/O Fast Read up to 133 MHz at 3.0–3.6 V (conditional per ordering).
• Sector & Block Architecture — Uniform sector architecture with 16,384 × 4 KB sectors, 2,048 × 32 KB blocks and 1,024 × 64 KB blocks; any sector or block can be erased individually.
• Program/Erase Performance — Page program time typically 0.5 ms (500 µs); sector erase typically 40 ms; half-block and block erase times and full-chip erase times defined for system planning.
• Protection & Security — Software and hardware write protection, lockable 3 × 512-byte OTP security sector, and support for SFDP and Read Unique ID.
• Reliability — Minimum 100k program/erase cycles per sector and 20-year data retention specification for long-term storage stability.
• Power — Single-supply serial flash with low-power operation: typical active current ~14 mA and typical power-down current ~2 µA.
• Package & Temperature — Surface-mount 8-contact WSON (5×6 mm) option and industrial temperature range −40 °C to 85 °C; RoHS compliant.
• Addressing & Compatibility — Supports 3-byte and 4-byte address modes to address the full memory map.

Typical Applications

• Embedded Firmware Storage — Store boot code and firmware images with sector-level erase and write-protect capability to enable safe in-field updates.
• Code Shadowing & Execution — High-speed Fast Read modes (up to 104 MHz) support fast code fetch and execution-from-flash scenarios in embedded systems.
• Industrial Control Systems — Industrial temperature range and robust endurance make it suitable for programmable controllers, instrumentation and industrial gateways.
• Data Logging & Configuration — Uniform 4 KB sectors and OTP security region provide flexible storage for configuration parameters and secure identifiers.

Unique Advantages

• Flexible SPI Modes — Standard, Dual and Quad I/O support simplifies migration between throughput and pin-count trade-offs without changing core memory architecture.
• Uniform Sector Architecture — 4 KB sector granularity across the device enables predictable erase and update behavior for file systems and firmware partitions.
• Low-Power Standby — Typical 2 µA power-down current reduces energy draw in battery-assisted and always-on systems.
• Compact Surface-Mount Package — 8-pin WSON 5×6 mm package reduces PCB area while providing industrial-grade thermal performance.
• High Endurance & Retention — 100k program/erase cycle minimum and 20-year data retention support long lifecycle deployments.
• Hardware & Software Protection — Multiple protection mechanisms (WP#, HOLD#, software lock, OTP) help secure firmware and critical data.

Why Choose EN35QX512A-104WIP(2SC)?

The EN35QX512A-104WIP(2SC) positions itself as a robust, high-capacity SPI NOR flash for industrial embedded designs that require reliable non-volatile storage, flexible erase/program granularity and high-speed read performance. Its combination of Quad I/O capability, low-power standby, and compact WSON packaging makes it suitable for space-constrained systems that still need industrial temperature operation and solid endurance.

This device is well-suited for designers building firmware-heavy embedded products, industrial controllers, and communication endpoints where long-term data retention and field-update capability are priorities. ESMT’s feature set—uniform sectors, protection options, and standard SPI compatibility—offers predictable integration and lifecycle behavior for production deployments.

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