M27C322-100F1

The M27C322-100F1 is a 32 Megabit (4 Megabyte) UV EPROM (Erasable Programmable Read-Only Memory) IC. Manufactured by STMicroelectronics, this memory device is organized as 4,194,304 words by 8 bits. It offers non-volatile storage that can be electrically programmed and erased using ultraviolet (UV) light. The M27C322-100F1 is designed for applications requiring reliable and non-volatile storage of data and program code, typically used in embedded systems, industrial equipment, and other electronic devices.

Key Features:

• Memory Capacity: 32 Megabits (4 Megabytes)
• Organization: 4,194,304 words × 8 bits
• Technology: UV EPROM (Erasable Programmable Read-Only Memory)
• Voltage Supply: Single +5V ±10% for read operations
• Programming Voltage: 12.75V ±0.25V
• Erase Time: Typically 20 minutes with recommended UV intensity
• Access Time: 100 ns (max)
• Package Type: Available in various package options including DIP and PLCC

Technical Specifications:

• Supply Voltage: +5V ±10%
• Input/Output Voltage: +5V
• Operating Temperature Range: 0°C to +70°C
• Storage Temperature Range: -65°C to +150°C
• Programming Time: 50 ms/word (typical)
• Data Retention: 20 years (minimum) after 100,000 erase/write cycles
• Package Types: 32-pin DIP, 32-pin PLCC, and others

Applications:

• Embedded Systems: Stores program code and data in microcontroller-based systems.
• Industrial Equipment: Used for firmware storage in industrial control systems.
• Automotive Electronics: Stores calibration data and configuration settings.
• Consumer Electronics: Used in electronic products requiring non-volatile memory storage.
• Legacy Systems: Replaces older UV EPROMs in existing designs.

Datasheet:
For detailed technical information, refer to the M27C322-100F1 UV EPROM Datasheet.