STMicroelectronics

M27C4002-90C1

M27C4002-90C1 Description

The M27C4002-90C1 is an EPROM (Erasable Programmable Read-Only Memory) integrated circuit designed and manufactured by STMicroelectronics. This memory IC features a 256K x 16 memory organization, providing a total memory size of 4 Mbit. It is designed for parallel memory interface applications and operates within a supply voltage range of 4.5V to5.5V. The M27C4002-90C1 is housed in a surface-mount 44-pin PLCC (Plastic Leaded Chip Carrier) package and is available in a tube packaging format. This IC has an access time of 90 ns, ensuring fast data retrieval. It is rated for an operating temperature range of 0°C to 70°C (TA) and has a moisture sensitivity level (MSL) of 3, which allows for 168 hours of exposure before reflow soldering. The M27C4002-90C1 is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. Although this product is now obsolete, it remains a reliable choice for legacy systems and specific applications where its unique features are required.

M27C4002-9C01 Features

• Memory Organization: 256K x 16, offering a total memory size of 4 Mbit.
• Access Time: 90 ns, ensuring rapid data access and retrieval.
• Operating Temperature: 0°C to 70°C (TA), suitable for a wide range of environmental conditions.
• Voltage - Supply: 4.5V to 5.5V, providing flexibility in power supply requirements.
• Memory Interface: Parallel, ideal for applications requiring high-speed data transfer.
• Mounting Type: Surface Mount, allowing for compact and efficient PCB design.
• Package: 44PLCC, a robust and widely-used package format.
• Moisture Sensitivity Level (MSL): 3 (168 Hours), ensuring reliability during manufacturing processes.
• Compliance: REACH unaffected and RoHS3 compliant, meeting environmental and safety standards.
• Manufacturer: STMicroelectronics, a leading provider of semiconductor solutions.

M27C4002-90C1 Applications

The M27C4002-90C1 is well-suited for a variety of applications that require non-volatile memory storage with fast access times. Its 4 Mbit capacity and parallel interface make it ideal for embedded systems, industrial control units, and legacy computer systems. The 90 ns access time ensures efficient data retrieval, making it suitable for applications where speed critical is. The surface-mount package and 44PLCC format allow for compact and reliable PCB designs, which is essential in space-constrained environments. Additionally, its operating temperature range and moisture sensitivity level make it suitable for use in various industrial and commercial settings.

Conclusion of M27C4002-90C1

The M27C4002-90C1, manufactured by STMicroelectronics, is a reliable and efficient EPROM IC with a 4 Mbit capacity and a 90 ns access time. Despite being obsolete, it remains a viable option for specific applications that require its unique features. Its parallel memory interface, surface-mount package, and compliance with environmental standards make it a robust choice for legacy systems and specialized use cases. The M27C4002-90C1 continues to serve as a dependable memory solution in the electronics industry, offering a balance of performance and reliability.