EN35QX512A-104YIP(2S)

The EN35QX512A-104YIP(2S) is a 512 M‑bit serial NOR flash memory device featuring a serial SPI architecture and uniform 4‑Kbyte sector organization. Designed for systems that require reliable non‑volatile code and data storage, it provides high‑performance read/write capability and hardware/software protection mechanisms suited to embedded and industrial applications.

Key value propositions include high-speed SPI read operations (up to 104 MHz), flexible I/O modes (Standard/Dual/Quad), industry‑grade operating range, and compact surface‑mount packaging (8‑pin WSON 8×6 mm) for space‑constrained designs.

Key Features

• Memory Capacity & Organization — 512 M‑bit serial flash organized as 64M × 8 with 256‑byte programmable pages and 4‑Kbyte uniform sectors; supports both 3‑byte and 4‑byte addressing modes.
• High‑Speed SPI Interface — Serial interface compatible with SPI Mode 0 and Mode 3; supports Standard, Dual and Quad SPI I/O for flexible bandwidth and pin‑count tradeoffs.
• Fast Read Performance — 104 MHz clock rate for Single/Dual/Quad I/O Fast Read, enabling high throughput for code execution and data access.
• Program & Erase Efficiency — Typical page program time 0.5 ms; sector erase typically 40 ms, half‑block and block erase options available for flexible maintenance.
• Power & Low‑Power Modes — Low active current (typical 14 mA) and very low power‑down current (typical 2 μA) to help minimize system power consumption during idle periods.
• Write Protection & Security — Software and hardware write protection with WP# pin support, plus a lockable 3×512 byte OTP security sector for critical data.
• Durability & Retention — Minimum 100K program/erase cycles per sector and data retention of 20 years as specified for reliable long‑term operation.
• Voltage & Temperature — Serial Flash operation across the device voltage range specified in the datasheet (3.0 V operating range noted in series documentation) and industrial temperature range of −40 °C to +85 °C.
• Package & Mounting — Surface‑mount 8‑pin WSON 8×6 mm package option for compact board layouts and automated assembly.

Typical Applications

• Firmware & Boot Storage — Store boot code and firmware images with sector‑level erase and program flexibility for field updates and patches.
• Embedded Systems — Non‑volatile program and data storage for microcontroller‑based applications requiring fast read performance and sector protection.
• Industrial Control & Automation — Industrial‑grade temperature range and robust program/erase endurance suited to control logic, configuration storage, and field upgrade needs.

Unique Advantages

• Flexible I/O Modes: Standard, Dual and Quad SPI support lets designers scale interface bandwidth and minimize transfer times without changing core memory architecture.
• Uniform Sector Architecture: 4‑Kbyte uniform sectors and multiple block sizes allow fine‑grained erase operations and efficient use of memory for code and data.
• Speed and Efficiency: 104 MHz fast read capability combined with typical 0.5 ms page program times accelerates code execution and reduces update windows.
• Hardware & Software Protection: WP# pin and software protection features enable staged or partial protection strategies to safeguard critical code sections.
• Industrial Reliability: Specified operation over −40 °C to +85 °C and high program/erase endurance make the device suitable for long‑lifecycle industrial deployments.
• Compact Packaging: Surface‑mount 8‑pin WSON (8×6 mm) minimizes PCB footprint while supporting automated assembly processes.

Why Choose EN35QX512A-104YIP(2S)?

The EN35QX512A-104YIP(2S) delivers a balance of high read performance, flexible SPI interface options, and sector‑level management that simplifies firmware storage, field updates, and secure code protection. Its industrial temperature range and strong program/erase endurance make it suitable for embedded and industrial applications where long‑term reliability matters.

Engineers designing compact, reliable systems will find the combination of fast SPI reads, low standby power, and hardware/software protection useful for reducing system risk and simplifying BOM choices while preserving board space with the 8‑pin WSON package.

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