STMicroelectronics

M27C512-15F6

M27C512-15F6 Description

The M27C512-15F6 is a 512Kbit (64K x 8) parallel EPROM manufactured by STMicroelectronics, designed for high-reliability embedded systems requiring non-volatile memory storage. Operating within a 4.5V to 5.5V supply range, this through-hole-mounted device features a 150ns access time, making it suitable for applications demanding moderate-speed data retrieval. Housed in a 28-pin ceramic DIP (CDIP) package, it offers robust durability and ease of integration in legacy or industrial systems. The EPROM is RoHS3 compliant and REACH unaffected, ensuring adherence to environmental regulations.

M27C512-15F6 Features

• Memory Organization: 64K x 8 configuration for flexible byte-wide addressing.
• Parallel Interface: Enables straightforward integration with microcontrollers and CPUs.
• Wide Voltage Range: Operates at 4.5V–5.5V, compatible with standard TTL logic levels.
• High Reliability: Ceramic DIP packaging ensures thermal and mechanical stability.
• Obsolete Status: Ideal for maintaining or repairing legacy systems without redesign.
• Low Sensitivity: MSL 1 (Unlimited) allows extended storage without moisture concerns.

M27C512-15F6 Applications

This EPROM is particularly suited for:

• Industrial Control Systems: Firmware storage in PLCs, CNC machines, and automation equipment.
• Retro Computing: Legacy system repairs or hobbyist projects requiring vintage-compatible memory.
• Embedded Development: Prototyping or low-volume production where UV-erasable memory is preferred.
• Medical & Military Equipment: Long-lifecycle applications needing stable, non-volatile storage.

Conclusion of M27C512-15F6

The M27C512-15F6 stands out for its durability, compatibility, and ease of use in legacy and industrial environments. While newer flash-based solutions dominate modern designs, this EPROM remains invaluable for maintaining older systems or applications requiring UV-erasable memory. Its 150ns access time and robust packaging make it a reliable choice for developers and engineers working with vintage or specialized hardware.