EN25SY256A-104HIP(2P)

The EN25SY256A-104HIP(2P) from ESMT is a 256 Mbit Serial NOR Flash memory device in the EON™ EN25SY256A series. It implements a SPI serial interface with support for single, dual and quad I/O, and offers uniform 4 Kbyte sectors with flexible program and erase options.

Designed for industrial-grade applications, this device delivers high-speed read performance (up to 104 MHz for Single/Dual/Quad I/O fast read and up to 133 MHz for Quad I/O fast read), low active and standby currents, and robust program/erase endurance—making it suitable for embedded code and data storage in temperature-critical environments.

Key Features

• Memory Capacity & Organization — 256 M-bit capacity organized as 32M × 8 with 131,072 pages and 256 bytes per programmable page.
• Serial SPI Architecture — SPI compatible (Mode 0 and Mode 3) with Standard, Dual and Quad SPI command sets and configurable dummy cycles for flexible read timing.
• High-Speed Read — 104 MHz clock rate for Single/Dual/Quad I/O Fast Read; 133 MHz clock rate for Quad I/O Fast Read.
• Uniform Sector Architecture — 8,192 sectors of 4 Kbyte each, plus larger block granularities (1,024 × 32 Kbyte, 512 × 64 Kbyte) for targeted erase and update.
• Program & Erase Performance — Typical page program time 0.5 ms; typical sector erase 40 ms; half-block 200 ms; block erase 300 ms; chip erase 120 s (typical).
• Endurance & Retention — Minimum 100K program/erase cycles per sector or block and typical data retention of 20 years.
• Write Protection & Security — Software and hardware write protection with WP# pin; lockable 3 × 512-byte OTP security sector; support for Read Unique ID and SFDP signature.
• Low Power — Typical active current ~7 mA and typical power-down current ~1 μA for energy-conscious embedded systems.
• Voltage & Addressing — Single power supply operation with full voltage range 1.65–1.95 V and support for 3-byte and 4-byte addressing modes.
• Package & Temperature — Available in 8-pin SOP 200 mil and other package options; surface-mount mounting; industrial temperature range (−40 °C to 85 °C).
• Compliance — All Pb-free packages are RoHS compliant.

Typical Applications

• Embedded Firmware Storage — Non-volatile code storage and boot code for microcontroller-based designs requiring fast read access and in-field updates.
• Industrial Control — Reliable program and data storage for industrial controllers and instrumentation across the −40 °C to 85 °C operating range.
• Field Upgradeable Systems — Sector-level erase and program capability combined with software/hardware protection enables safe firmware patching and over-the-air update storage.

Unique Advantages

• Flexible I/O Modes: Single, Dual and Quad SPI support lets designers scale throughput without redesigning board-level interfaces.
• Granular Memory Management: 4 Kbyte uniform sectors and multiple block sizes allow precise erase/update operations, minimizing wear and accelerating updates.
• High Read Performance: Fast read clock rates (104 MHz / 133 MHz) reduce boot and data-access latency for performance-sensitive applications.
• Robust Endurance and Retention: 100K program/erase cycles and 20-year data retention provide long-term reliability for deployed systems.
• Power-Efficient Operation: Low active and power-down currents help extend battery life in portable and remote devices.
• Industrial-Grade Temperature Range: −40 °C to 85 °C rating supports demanding environmental conditions.

Why Choose EN25SY256A-104HIP(2P)?

The EN25SY256A-104HIP(2P) positions itself as a high-performance, industrial-grade serial NOR Flash device that balances fast read throughput with low power operation and long-term data integrity. Its flexible SPI modes, granular sector architecture, and hardware/software protection features make it a practical choice for embedded designers and OEMs who require predictable program/erase behavior and support for in-field firmware management.

This device is well suited to designs that demand reliable non-volatile storage across a wide temperature range, straightforward integration into SPI-based systems, and proven endurance and retention characteristics for long-life deployments.

Request a quote or submit an inquiry to source EN25SY256A-104HIP(2P) for your next design or production run.