XM25QH64B

The XM25QH64B is a 64Mb (8MB) serial NOR Flash memory chip from Macronix, featuring a high-speed SPI interface (up to 104MHz). It supports Quad I/O for faster data transfer and operates at 1.65V–3.6V, making it suitable for low-power embedded systems.
Key features:
- Dual/Quad SPI for efficient read/write operations.
- 4KB uniform sector erase and 64KB block erase options.
- Deep Power-Down mode (1µA standby current).
- Software/Hardware Write Protection for data security.
- 25ns page program time and 100,000 erase/program cycles.
Commonly used in IoT devices, automotive systems, and firmware storage, the XM25QH64B offers reliable non-volatile storage with robust performance.

The XM25QH64B is a 64Mbit (8MB) Serial NOR Flash memory with the following key features:
- Interface: SPI (Serial Peripheral Interface) with support for Quad I/O (up to 104MHz clock speed).
- Voltage Range: 2.7V–3.6V (single power supply).
- High Performance: Fast read (up to 104MHz) and program/erase speeds.
- Sector Architecture: Uniform 4KB sectors, 64KB blocks, and full-chip erase.
- Security Features: Software & hardware write protection, OTP (One-Time Programmable) area.
- Reliability: 100,000 program/erase cycles and 20+ years data retention.
- Package Options: 8-pin SOP (208mil), WSON, and USON.
- Low Power Consumption: Deep power-down mode for energy efficiency.
Ideal for embedded systems, IoT, automotive, and industrial applications.

The XM25QH64B is a 64Mbit (8MB) SPI NOR Flash memory chip with the following specifications:
- Pin Count: 8-pin (common packages: SOP8, WSON8, USON8)
- Interface: SPI (Serial Peripheral Interface) with support for Standard/Dual/Quad SPI modes
- Voltage Range: 2.7V–3.6V
- Functions:
- Data Storage (non-volatile memory)
- High-speed Read/Write (up to 104MHz in Quad SPI mode)
- Sector Erase (4KB), Block Erase (32/64KB), Full Chip Erase
- Deep Power-Down Mode for low power consumption
Common applications include firmware storage, boot code, and embedded systems requiring fast, reliable flash memory.

The XM25QH64B is a 64Mb (8MB) Serial NOR Flash memory chip manufactured by XMC (Xiangshan Mountain Corporation), a Chinese semiconductor company.
XMC is a subsidiary of Yangtze Memory Technologies Co. (YMTC), a major player in China's memory industry. The company focuses on NAND and NOR Flash memory production, supporting domestic and international markets.
XMC is known for providing cost-effective memory solutions, competing with global brands like Winbond, Macronix, and Micron. The XM25QH64B is commonly used in embedded systems, IoT devices, and consumer electronics.
Summary:
- Manufacturer: XMC (Xiangshan Mountain Corporation)
- Parent Company: YMTC (Yangtze Memory Technologies Co.)
- Product Type: Serial NOR Flash Memory
- Industry: Semiconductor (Memory Solutions)
- Key Market: China, with growing global presence

The XM25QH64B is a 64Mb (8MB) SPI NOR Flash memory chip, commonly used in:
1. Embedded Systems – Firmware storage for microcontrollers (MCUs).
2. Consumer Electronics – Smart TVs, set-top boxes, IoT devices.
3. Automotive – Infotainment, instrument clusters, ADAS.
4. Industrial Control – PLCs, robotics, automation.
5. Networking – Routers, switches, modems for boot code.
6. Medical Devices – Firmware in portable/wearable medical equipment.
Its high-speed SPI interface, reliability, and low power make it ideal for applications requiring non-volatile storage with fast read/write operations.

The XM25QH64B is a 64Mb (8MB) serial NOR flash memory chip. It comes in a standard 8-pin SOP (Small Outline Package) or 8-pin WSON (Very Very Thin Small Outline No-Lead) package. These compact packages are suitable for space-constrained applications, offering reliable performance for embedded systems, IoT devices, and consumer electronics.