STMicroelectronics M27C512-90B6 EPROM

The M27C512-90B6 is a high-speed 512 Kbit EPROM (Erasable Programmable Read-Only Memory) from the reputable semiconductor manufacturer, STMicroelectronics. Designed for applications that demand reliable non-volatile memory storage with the flexibility of reprogramming, this EPROM is a staple in the realm of legacy electronic systems.

Key Features

• Memory Capacity: It offers a substantial storage capacity of 512 Kbits, allowing for the storage of large code bases or data sets.
• Access Time: With an impressive access time of 90 ns, the M27C512-90B6 facilitates quick data retrieval, making it suitable for high-performance systems that require fast read operations.
• Programming Voltage: The programming voltage of 12.75V ± 0.25V is standard for EPROM devices, providing reliable programming while maintaining device integrity.
• Package: The device comes in a 28-pin CERDIP (Ceramic Dual In-line Package), which is known for its durability and excellent thermal characteristics.
• Temperature Range: It operates within a temperature range of -40°C to +125°C, ensuring functionality across a wide range of environmental conditions.

Applications

The M27C512-90B6 is versatile and can be used in a variety of applications such as:

• Embedded systems requiring a stable firmware storage
• Legacy computer systems where EPROMs are essential for holding system BIOS
• Industrial control systems that need long-term reliable code storage
• Telecommunication infrastructure where durable memory is crucial
• Automotive electronics that demand robust memory solutions

Programming and Erasure

The M27C512-90B6 can be electrically programmed using a compatible EPROM programmer. Its erasure requires exposing the silicon to ultraviolet (UV) light through the window on top of the package. This feature allows for the device to be reused, which is particularly beneficial during the development and testing phases of a product's lifecycle.

With its combination of speed, capacity, and reliability, the M27C512-90B6 from STMicroelectronics is an excellent choice for applications requiring a dependable, reprogrammable non-volatile memory solution.