The AT49LW040-33TC is a 4-Megabit (512K x 8) Low Voltage Single Power Supply Flash Memory device manufactured by Atmel (now Microchip Technology). It's designed for embedded systems requiring non-volatile memory with low-voltage operation and fast access times.

Applications

• Embedded Systems Firmware Storage
• Portable Devices Data Storage
• Boot Code Storage in electronic devices
• Industrial Control Systems
• Network Equipment Configuration Memory

Features

• 4-Megabit (512K x 8) Flash Memory
• Low Voltage Operation: 2.7V to 3.6V
• Fast Access Time: 33 ns
• Sector Erase Architecture
• Automatic Write Timing
• Endurance: 100,000 Write/Erase Cycles
• Low Power Consumption

Benefits

• Non-volatile storage retains data even without power.
• Low voltage operation extends battery life in portable devices.
• Fast access time enables high-performance system operation.
• Sector erase architecture enables efficient memory management.
• Automatic write timing simplifies the programming process.
• High endurance ensures reliable data storage over many cycles.
• Low power consumption contributes to energy efficiency.

Additional Details

The AT49LW040-33TC operates at low voltages (2.7V to 3.6V), making it ideal for battery-powered applications. Its fast access time allows for quick data retrieval, crucial for responsive systems. The sector erase architecture enables efficient memory management by allowing selective erasure of memory blocks. Automatic write timing simplifies the programming process. With a high endurance rating, the device provides reliable data storage over numerous write/erase cycles. Its low power consumption is well-suited for energy-conscious designs. Typical uses include storing firmware, boot code, and data in embedded systems.