EN35SXR128A-104WIP(2PC)

The EN35SXR128A-104WIP(2PC) is a 128 Mbit serial SPI NOR flash memory device from ESMT designed for non-volatile code and data storage in industrial environments. It implements a serial SPI architecture with Single/Dual/Quad I/O support and a 104 MHz fast-read clock rate to deliver high-throughput read performance for embedded systems.

With a full operating voltage range of 1.65–1.95 V, uniform 4 KB sector architecture, and industrial temperature range, the device is suited for applications that require in-field code updates, secure storage segments and robust program/erase cycling.

Key Features

• Memory Capacity and Organization — 128 Mbit (16,384 KByte) organized as 16M × 8 with 65,536 programmable pages and 256 bytes per page for fine-grained write control.
• Serial SPI Interface — Supports Standard, Dual and Quad SPI modes (Single/Dual/Quad I/O); default QE = 1 for Quad operation and standard SPI signaling (CLK, CS#, DI, DO).
• High-Speed Read — 104 MHz clock rate for Single/Dual/Quad I/O Fast Read to support high-throughput data access.
• Program/Erase Performance — Typical page program time of 0.5 ms and typical sector erase time of 40 ms; also supports half-block, block and full chip erase operations.
• Uniform Sector Architecture — 4,096 uniform 4 KB sectors; 512 blocks of 32 KB and 256 blocks of 64 KB, allowing individual sector or block erase operations.
• Power Efficiency — Low active current (typical 8 mA) and very low power-down current (typical 0.1 μA) for energy-conscious designs.
• Endurance and Retention — Minimum 100K program/erase cycles per sector/block and 20 years data retention, supporting long-term reliability.
• Security and Reliability — Lockable 3 × 512-byte OTP security sector, Replay-Protected Monotonic Counter (RPMC), volatile status register bits and support for Serial Flash Discoverable Parameters (SFDP).
• Voltage and Temperature — Single power supply operation over 1.65–1.95 V and industrial operating temperature range (−40 °C to 85 °C).
• Package and Mounting — Surface-mount 8-pin WSON (5 × 6 mm) package option for compact board-level integration; RoHS-compliant.

Typical Applications

• Firmware Storage and In-Field Updates — Store executable code and enable targeted code patches or module updates using individual block/sector erase and program operations.
• Embedded System Boot and Non-Volatile Data — Fast quad I/O reads at 104 MHz provide responsive boot and data access for microcontroller- and MPU-based systems.
• Industrial Control and Instrumentation — Industrial temperature range and robust endurance make the device suitable for factory automation, PLCs and instrumentation firmware storage.
• Secure Counters and Protected Data — Use the lockable OTP sector and RPMC to implement monotonic counters and protected configuration storage for secure system features.

Unique Advantages

• Quad I/O Ready — Default Quad Enable (QE = 1) enables immediate use of Quad SPI for higher throughput without additional configuration steps.
• Flexible Erase Granularity — Uniform 4 KB sectors plus larger block sizes let designers optimize erase/program cycles and reduce unnecessary wear on memory.
• Low Power, High Performance — Balances a high 104 MHz read rate with low active and ultra-low power-down currents for energy-efficient operation.
• Long-Term Reliability — 100K minimum program/erase cycles and 20-year data retention provide durability for long-life products.
• Built-In Security Features — Lockable OTP and RPMC support secure storage and tamper-resistant counters for protected system functions.
• Compact Surface-Mount Package — 8-pin WSON 5 × 6 mm package saves board space while supporting industrial-grade operation.

Why Choose EN35SXR128A-104WIP(2PC)?

The EN35SXR128A-104WIP(2PC) combines high-capacity 128 Mbit serial flash with flexible SPI transport modes and a 104 MHz fast-read clock, making it a solid choice for embedded designs that require fast, reliable non-volatile storage. Its uniform sector architecture, extensive erase/program options and built-in security primitives support designs that need targeted updates, protected data segments and long operational life.

Designed for industrial temperature operation and compact surface-mount integration, this device is well-suited for firmware storage, secure configuration data and long-life industrial applications where endurance, retention and energy efficiency are required.

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