STMicroelectronics

M27C1001-15F1

M27C1001-15F1 Description

The M27C1001-15F1 is a 1Mbit (128K x 8) parallel EPROM manufactured by STMicroelectronics, designed for applications requiring reliable non-volatile memory storage. Operating within a 4.5V to 5.5V supply range and featuring a 150ns access time, this device is optimized for high-performance embedded systems. Housed in a 32-CDIP (Ceramic Dual In-line Package), it offers robust through-hole mounting suitability for industrial and legacy hardware. Although marked as Obsolete, it remains a viable solution for maintenance, repairs, or legacy system upgrades due to its ROHS3 compliance and REACH unaffected status.

M27C1001-15F1 Features

• Memory Organization: 128K x 8 configuration for flexible data storage.
• Wide Voltage Range: Operates at 4.5V–5.5V, ensuring compatibility with standard TTL logic levels.
• High Reliability: Ceramic packaging enhances durability in harsh environments.
• Fast Access Time: 150ns read speed, suitable for real-time applications.
• Industrial Temperature Range: Functions reliably from 0°C to 70°C.
• Low Sensitivity: MSL 1 (Unlimited) ensures minimal moisture-related handling constraints.
• Parallel Interface: Simplifies integration with legacy microprocessors and control systems.

M27C1001-15F1 Applications

• Legacy Industrial Systems: Ideal for factory automation equipment requiring stable, long-term firmware storage.
• Retro Computing: Used in vintage computer restoration or emulation hardware.
• Embedded Controllers: Suitable for microcontroller-based systems needing UV-erasable memory.
• Medical Devices: Reliable for older medical instruments with strict non-volatile memory requirements.
• Military/Aerospace: Ceramic packaging and wide temperature range support rugged applications (though obsolescence may limit new designs).

Conclusion of M27C1001-15F1

The M27C1001-15F1 balances performance and durability, making it a pragmatic choice for legacy systems despite its obsolete status. Its 128K x 8 organization, 5V compatibility, and 150ns access time ensure seamless integration into existing designs. While newer alternatives exist, this EPROM remains valuable for repairs, retrofits, or niche applications where UV-erasable memory is essential. Engineers should evaluate lifecycle status but can leverage its ROHS3 compliance and industrial-grade robustness for long-term deployments.