onsemi

NM93C66LN

NM93C66LN Description

The NM93C66LN is a 4Kbit EEPROM memory IC designed for a wide range of applications requiring reliable and efficient data storage. Manufactured by onsemi, this device features a Microwire memory interface, making it suitable for systems that utilize this communication protocol. The NM93C66LN is organized as 256 x 16 memory, providing a total storage capacity of 4Kbit. It operates within a supply voltage range of 2.7V to 5.5V and supports a clock frequency of up to 250 kHz, ensuring fast and efficient data transfer. The device is housed in a through-hole package, specifically an 8DIP tube, which is ideal for applications requiring robust physical mounting.

NM93C66LN Features

• Memory Capacity: The NM93C66LN offers a memory organization of 256 x 16, providing a total of 4Kbit of EEPROM storage. This capacity is sufficient for a variety of applications that require non-volatile memory.
• Microwire Interface: The device features a Microwire memory interface, which is a three-wire serial interface known for its simplicity and reliability. This interface allows for efficient data communication with minimal pin usage.
• Operating Temperature Range: The NM93C66LN is designed to operate within a temperature range of 0°C to 70°C (TA), making it suitable for a wide range of environmental conditions.
• Write Cycle Time: With a write cycle time of 15ms per word or page, the NM93C66LN ensures quick data write operations, enhancing overall system performance.
• Voltage Range: The device operates within a supply voltage range of 2.7V to 5.5V, providing flexibility in power supply requirements.
• Through-Hole Mounting: The through-hole package type ensures robust physical mounting, making it ideal for applications where mechanical stability is crucial.
• Obsolete Status: While the NM93C66LN is marked as obsolete, it remains a reliable choice for legacy systems and applications where this specific device is still in use.

NM93C66LN Applications

The NM93C66LN is well-suited for a variety of applications that require non-volatile memory with a Microwire interface. Some specific use cases include:

• Embedded Systems: Ideal for embedded systems that require reliable data storage and communication via the Microwire interface.
• Industrial Control: Suitable for industrial control applications where robustness and reliability are critical.
• Consumer Electronics: Can be used in consumer electronics that need non-volatile memory for storing configuration data or firmware.
• Automotive Systems: Given its operating temperature range and robustness, the NM93C66LN can be used in automotive systems for storing critical data.

Conclusion of NM93C66LN

The NM93C66LN is a reliable 4Kbit EEPROM memory IC with a Microwire interface, offering efficient data storage and communication capabilities. Its robust through-hole package, wide operating temperature range, and flexible voltage requirements make it suitable for a variety of applications. Despite its obsolete status, the NM93C66LN remains a viable option for legacy systems and applications where its specific features are required.