NM93C46ALEM8

Memory IC Overview

The NM93C46ALEM8 is a 1024-bit CMOS non-volatile EEPROM organized as a 64 x 16-bit array. It features a Microwire serial interface compatible with standard microcontrollers and processors, utilizing chipselect (CS), clock (SK), data input (DI), and data output (DO) signals. The device operates within a voltage range of 2.7V to 5.5V and supports a maximum clock frequency of 250 kHz. It is housed in an 8-pin SOIC package.

Memory IC Feature Summary

• Microwire synchronous bus interface for reliable communication
• Non-volatile memory architecture preserving data without power
• CMOS technology ensuring low power consumption

Memory IC Applications

• Data storage in industrial control systems
• Configuration parameter retention in embedded devices
• Calibration data storage in consumer electronics

Memory IC Procurement Notes

Verify the specific suffix 'A' against official Fairchild documentation to confirm temperature grade and pinout compatibility. Confirm RoHS status and lead-free compliance requirements prior to procurement. Ensure the 8-pin SOIC footprint matches the target PCB design. Validate that the 250 kHz clock speed meets system timing constraints.

Memory IC Selection Notes

Select this component when a 1Kb capacity is required for small-scale data retention. The Microwire interface is suitable for systems with limited I/O pins. Verify that the operating voltage range aligns with the system supply rails. Consider the 8-pin SOIC package dimensions for board space limitations.

Memory IC Part Context

This part belongs to the 93C46 family of serial EEPROMs from Fairchild Semiconductor. These devices are designed for applications requiring simple serial access and moderate data density. The family typically includes variants with different packaging options and temperature ranges, sharing the same core memory architecture and interface protocol.