EN25QH64A-104HIP(2A)

The EN25QH64A-104HIP(2A) is a 64 Mbit (8,192 KByte) serial NOR Flash memory device in the ESMT EN25QH64A series. It uses a SPI-compatible serial interface with support for Standard, Dual and Quad SPI modes and is optimized for high-throughput read operations at clock rates up to 104 MHz.

Designed for industrial-grade applications, this device offers uniform 4-Kbyte sectors, flexible program/erase control and hardware/software protection features to support firmware storage, field updates and secure data segments where reliability and performance are required.

Key Features

• Memory & Organization  64 Mbit (8,192 KByte) capacity arranged as 8M × 8 with 256-byte programmable pages and 32,768 pages total.
• Serial SPI Interface  SPI-compatible architecture with Standard, Dual and Quad SPI modes (CLK, CS#, DI/DO, DQ₀–DQ₃) and configurable dummy cycles for flexible read performance.
• High-Speed Operation  Supports up to 104 MHz clock rate for Standard, Dual and Quad SPI, enabling high-throughput read operations and fast quad-output transfers.
• Uniform Sector Architecture  2,048 uniform 4-Kbyte sectors (also arranged as 256 × 32-Kbyte blocks and 128 × 64-Kbyte blocks) allowing individual sector or block erase.
• Program & Erase Performance  Typical page program time 0.5 ms; typical sector erase time 40 ms; half-block and block erase times 200 ms and 300 ms respectively; typical chip erase ~32 seconds.
• Low Power  Typical active current around 5 mA and typical power-down current near 1 μA to support energy-conscious designs.
• Data Integrity & Endurance  Minimum 100K program/erase cycles per sector and typical data retention of 20 years for reliable long-term storage.
• Security & Identification  Read Unique ID Number and lockable 3 × 512-byte One-Time-Programmable (OTP) security sector for small secure storage areas.
• Protection & Control  Software and hardware write protection options, including WP# pin and reset functionality, plus write suspend/resume and volatile status register bits.
• Package & Temperature  Available in an 8-pin SOP 200 mil body (surface-mount); industrial operating temperature range −40°C to 85°C.

Typical Applications

• Embedded Firmware Storage  Store boot code and firmware that require reliable in-field updates and sector-level erase/program control.
• Industrial Control & Instrumentation  Industrial-grade temperature range and sector protection support factory automation and control system memory needs.
• Secure Data Segments  Lockable OTP sectors and hardware/software protection make it suitable for storing small secure configuration or calibration data.
• High-Speed Read Storage  Quad SPI at up to 104 MHz enables fast code/data reads for systems requiring quick access to large non-volatile images.

Unique Advantages

• Flexible SPI Modes: Standard, Dual and Quad SPI support lets designers scale throughput without changing memory technology.
• Uniform Sector Granularity: 4-Kbyte sectors simplify update and erase operations for firmware patches and modular code updates.
• Fast Program/Erase Timing: Typical page program times of 0.5 ms and sector erase times of 40 ms reduce maintenance windows for in-field updates.
• Low Standby Power: Sub-microampere power-down current helps meet power budgets in battery-backed or low-power systems.
• Industrial Temperature Rating: −40°C to 85°C operation supports deployment in harsh and temperature-variable environments.
• Robust Endurance & Retention: 100K program/erase cycles and 20-year data retention provide long-term stability for deployed firmware and data.

Why Choose EN25QH64A-104HIP(2A)?

The EN25QH64A-104HIP(2A) combines high-speed SPI read capability with uniform-sector architecture and comprehensive protection features to meet the needs of industrial and embedded applications that require reliable non-volatile code and data storage. Its support for Standard/Dual/Quad SPI modes and 104 MHz operation enables designers to optimize throughput while maintaining compatibility with SPI-based hosts.

This device is well-suited for engineers building systems that demand sector-level update control, low-power standby behavior and long-term data retention across a broad temperature range. The combination of fast program/erase performance, security options and industrial-grade packaging delivers a practical solution for firmware storage, secure configuration areas and high-read throughput memory needs.

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