STMicroelectronics

M27C4001-70C1

M27C4001-70C1 Description

The M27C4001-70C1 is a high-performance EPROM (Erasable Programmable Read-Only Memory) IC chip manufactured by STMicroelectronics. This 4Mbit memory device is organized as 512K x 8, offering a parallel memory interface that ensures efficient data transfer and storage. The chip operates within a voltage range of 4.5V to 5.5V and supports an access time of 70 ns, making it suitable for applications requiring rapid data retrieval. The M27C4001-70C1 is housed in a 32-pin PLCC (Plastic Leaded Chip Carrier) package and is designed for surface-mount technology, facilitating easy integration into compact electronic designs. It operates within a temperature range of 0°C to 70°C (TA), ensuring reliable performance in a variety of environmental conditions.

M27C4001-70C1 Features

• Memory Size and Organization: The M27C4001-70C1 provides a substantial 4Mbit memory capacity, organized as 512K x 8, which is ideal for applications requiring large amounts of non-volatile storage.
• Fast Access Time: With an access time of 70 ns, this EPROM ensures quick data retrieval, enhancing the overall performance of systems where rapid access to stored data is critical.
• Parallel Interface: The parallel memory interface allows for efficient data transfer, making it suitable for applications where high-speed data processing is required.
• Wide Operating Voltage Range: The chip operates within a voltage range of 4.5V to 5.5V, providing flexibility in power supply requirements.
• Surface-Mount Technology: The surface-mount package type facilitates easy integration into modern electronic designs, saving space and reducing the overall footprint of the system.
• Moisture Sensitivity Level: With an MSL of 3 (168 Hours), the M27C4001-70C1 is designed to withstand moderate levels of moisture, ensuring reliability in various environmental conditions.
• Compliance and Status: The M27C4001-70C1 is REACH unaffected and ROHS3 compliant, adhering to stringent environmental and safety standards. However, it is important to note that this product is now obsolete, and alternative solutions should be considered for new designs.

M27C4001-70C1 Applications

The M27C4001-70C1 is well-suited for a variety of applications where non-volatile storage and rapid data access are essential. Some specific use cases include:

• Embedded Systems: Ideal for storing firmware and critical system parameters in embedded devices, ensuring reliable operation even after power loss.
• Industrial Control Systems: Useful in industrial automation and control systems where quick access to stored data is necessary for efficient operation.
• Telecommunications: Can be employed in telecommunication equipment for storing configuration data and firmware, ensuring stable and reliable performance.
• Consumer Electronics: Suitable for consumer electronics devices that require non-volatile memory for storing user settings and system data.

Conclusion of M27C4001-70C1

The M27C4001-70C1 is a robust and reliable EPROM IC chip that offers significant advantages in terms of memory capacity, access speed, and environmental compliance. Its 4Mbit memory size and fast access time make it an excellent choice for applications requiring large amounts of non-volatile storage and rapid data retrieval. The parallel interface and surface-mount package further enhance its suitability for modern electronic designs. However, given its obsolete status, engineers and designers should consider alternative solutions for new projects. For existing systems, the M27C4001-70C1 continues to provide reliable performance and is a valuable component in various applications.