EN25QH32B-104GIP(2B)

The EN25QH32B-104GIP(2B) from ESMT is a 33.55 Mbit non-volatile SPI NOR flash memory device organized as 256K × 8. It provides a high-speed serial flash interface with a 104 MHz clock rate for fast read operations and is packaged in an 8‑pin SOP (150 mil) surface-mount package targeted at industrial temperature applications.

This device is well suited for embedded code and data storage in industrial and embedded systems where robust erase/program capabilities, sector-level protection and long data retention are required. Its combination of SPI serial operation, high clock support and industrial temperature rating supports reliable firmware and configuration storage in constrained form-factor designs.

Key Features

• Memory Architecture — 33.55 Mbit non-volatile NOR Flash organized as 256K × 8 with 4,096 K‑byte total and uniform 4 KB sectors for flexible block or sector erase.
• Serial SPI Performance — SPI NOR Flash technology with support for Standard, Dual and Quad SPI modes; fast read operations up to a 104 MHz clock rate for Single/Dual/Quad I/O Fast Read.
• Page and Erase — 256‑byte programmable page size and page program capability; sector and block erase architecture enables single-sector or full-chip erase operations.
• Performance Timing — 104 MHz clock frequency and an access time of 8 ns for responsive read performance; write cycle/word page time listed at 3 ms.
• Power — Single-supply operation with a specified supply voltage of 2.5 V and low-power standby characteristics (datasheet series lists low active and power-down currents).
• Reliability & Endurance — Industrial grade device with operating temperature range −40 °C to 85 °C, minimum 100K program/erase cycles (series data) and data retention on the order of decades (series data).
• Security & Protection — Software and hardware write protection options, including WP# pin control and lockable OTP security sectors (series features).
• Package & Mounting — Surface-mount 8‑lead SOP 150 mil body width for compact PCB integration and automated assembly.
• Compliance — RoHS compliant.

Typical Applications

• Embedded Firmware Storage — Store boot code and firmware images for microcontrollers and embedded processors that require reliable non-volatile code space.
• Industrial Control — Configuration, calibration data and firmware backup in industrial controllers and instrumentation operating across −40 °C to 85 °C.
• Consumer & IoT Devices — Compact external flash for firmware, configuration and resources in space-constrained designs using an 8-pin SOP footprint.
• System Configuration & Security — Store device IDs, secure parameters and lockable OTP sectors for device provisioning and field configuration.

Unique Advantages

• High-speed Serial Read Capability — 104 MHz SPI clock support enables fast boot and data-transfer operations, reducing system latency during firmware reads.
• Flexible Erase Granularity — Uniform 4 KB sectors and larger block erase options allow right-sized erase operations to minimize wear and speed up updates.
• Robust Protection Options — Software and hardware write-protect features plus lockable OTP sectors help safeguard critical code and configuration data.
• Industrial Temperature Range — Specified −40 °C to 85 °C operating range supports deployment in demanding environments without additional thermal mitigation.
• Compact, Assembly-friendly Package — 8-pin SOP 150 mil package simplifies PCB routing and supports automated surface-mount assembly processes.
• Long-term Data Retention and Endurance — Designed for sustained program/erase cycles and long retention to support maintenance cycles and field updates (series endurance and retention figures).

Why Choose EN25QH32B-104GIP(2B)?

The EN25QH32B-104GIP(2B) is positioned for embedded and industrial designs that need a compact, high-performance SPI NOR flash solution with sector-level erase, robust protection and industrial-grade operation. Its serial SPI architecture, 104 MHz read capability and 256‑byte page granularity make it a practical choice for firmware storage, system configuration and application data in space-constrained boards.

Engineers selecting this device benefit from a combination of dependable endurance, long data retention and flexible protection mechanisms, enabling straightforward integration into production designs that demand reliable non-volatile memory over the product lifecycle.

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