EN25QX256A-104FIP(2S)

The EN25QX256A-104FIP(2S) is a 256 Megabit serial NOR Flash memory device in a 16‑pin SOP 300mil package, offering high-speed SPI access and industrial temperature operation. Its SPI serial architecture supports Standard, Dual and Quad I/O with configurable dummy cycles and fast read clock rates, making it suitable for firmware and data storage in industrial and embedded systems.

Key Features

• Memory Capacity & Organization — 256 M‑bit (32,768 KByte) organized as 32M × 8 with 256‑byte programmable pages and 131,072 pages total.
• Serial SPI Interface — Supports Standard, Dual and Quad SPI modes with SPI‑compatible Mode 0 and Mode 3 signaling; pins include CLK, CS#, DI/DO and WP#/HOLD# as applicable.
• High‑Speed Read Performance — 104 MHz clock rate for Single/Dual/Quad I/O Fast Read (133 MHz Quad I/O option noted in series documentation).
• Uniform Sector Architecture — 4 KByte uniform sectors (8,192 sectors), plus 32 KByte and 64 KByte block organizations for flexible erase granularity.
• Program & Erase Performance — Page program times and sector/block erase times specified for fast field updates (page program 0.5 ms typical; sector erase 40 ms typical as documented in series datasheet).
• Power & Low Power Modes — Low active and standby currents are documented (typical active current 7 mA; typical power‑down current 1 μA), enabling power‑sensitive designs.
• Supply Voltage & Temperature — Operates across the series' full supply range (2.7–3.6V documented for the series) and rated for industrial temperature range (−40 °C to 85 °C).
• Security & Protection — Software and hardware write‑protection features, lockable OTP sector and support for Serial Flash Discoverable Parameters (SFDP) and unique ID read.
• Package & Mounting — 16‑pin SOP 300mil, surface‑mount package suitable for standard PCB assembly flows; RoHS‑compliant.

Typical Applications

• Industrial Control & Automation — Non‑volatile firmware and configuration storage for controllers and PLCs operating across an industrial temperature range.
• Embedded Systems & IoT Gateways — System code, boot image and field‑upgrade storage where fast SPI read and quad I/O improve firmware read performance.
• Networking & Communications — Storage of device firmware and configuration data in routers, switches and edge devices requiring reliable serial Flash.
• Consumer & Professional Electronics — Flash storage for application code and data in devices that benefit from standard/dual/quad SPI flexibility and small SOP packaging.

Unique Advantages

• Flexible SPI Modes: Standard, Dual and Quad I/O support enables designers to trade interface pin usage for throughput as needed.
• Uniform 4KB Sectors: Fine erase granularity simplifies in‑field updates and reduces erase overhead for partial memory updates.
• Industrial Temperature Rating: −40 °C to 85 °C operation provides robustness for harsh environments and extended‑life applications.
• Low Power Standby: µA‑class power‑down current supports designs with stringent standby power budgets.
• Hardware & Software Protection: WP# pin and software protection bits allow flexible protection strategies for critical code and data regions.
• Standard SOP Packaging: 16‑pin SOP 300mil surface‑mount package simplifies PCB layout and assembly for compact designs.

Why Choose EN25QX256A-104FIP(2S)?

The EN25QX256A-104FIP(2S) combines 256 M‑bit capacity, versatile SPI interface options and documented high‑speed read modes (104 MHz) with industrial temperature operation to address embedded and industrial firmware storage needs. Its uniform sector architecture and protection features support reliable field updates and controlled memory management.

This device is well suited for engineers and procurement teams specifying non‑volatile storage for industrial controllers, embedded devices and communication equipment where predictable performance, low standby power and standard surface‑mount packaging are required.

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