STMicroelectronics

M27C1001-10C1

M27C1001-10C1 Description

The M27C1001-10C1 from STMicroelectronics is a 1Mbit (128K x 8) parallel EPROM designed for high-reliability embedded systems requiring non-volatile memory storage. Operating within a 4.5V to 5.5V supply range and featuring a 100 ns access time, this device is optimized for performance in industrial and commercial applications. Its 32-pin PLCC (Plastic Leaded Chip Carrier) surface-mount package ensures compact integration, while its parallel interface facilitates efficient data transfer. Although marked as Obsolete, it remains a robust solution for legacy systems due to its ROHS3 compliance and REACH unaffected status, ensuring environmental and regulatory adherence.

M27C1001-10C1 Features

• Memory Organization: 128K x 8 configuration, offering flexible byte-wide addressing.
• High-Speed Access: 100 ns access time, suitable for time-critical applications.
• Wide Voltage Range: Operates at 4.5V–5.5V, compatible with standard 5V systems.
• Surface-Mount Design: 32PLCC package for space-constrained PCB layouts.
• Industrial Temperature Range: Reliable performance from 0°C to 70°C (TA).
• Non-Volatile Storage: EPROM technology ensures data retention without power.
• Legacy Compliance: ROHS3 and REACH compliant, meeting modern environmental standards despite obsolescence.

M27C1001-10C1 Applications

• Embedded Systems: Firmware storage in industrial controllers, medical devices, and automotive modules.
• Legacy Equipment Upgrades: Replacement for obsolete EPROMs in maintenance-critical systems.
• Telecommunications: Boot code storage in networking hardware requiring stable, non-volatile memory.
• Test & Measurement: Calibration data logging in precision instruments.
• Retro Computing: Preservation and restoration of vintage computing platforms.

Conclusion of M27C1001-10C1

The M27C1001-10C1 is a dependable 1Mbit parallel EPROM tailored for legacy and niche applications demanding high-speed, non-volatile memory. While obsolete, its 5V compatibility, industrial temperature tolerance, and compact packaging make it a pragmatic choice for sustaining older systems or bridging gaps in hardware redesigns. Engineers valuing long-term data integrity and regulatory compliance will find it a resilient component, particularly in scenarios where modern flash alternatives are impractical.