AT93C46Y1-10YI-1.8

Memory IC Overview

The AT93C46Y1-10YI-1.8 is a 1-kbit serial electrically erasable programmable read-only memory (EEPROM) manufactured by Microchip Technology, originally documented under Atmel. It features a three-wire Microwire interface and supports a maximum clock frequency of 2 MHz at 5V operation. The device operates within a supply voltage range of 1.8V to 5.5V and provides an industrial temperature range from -40°C to +85°C. Memory organization is user-selectable as either 128 x 8 or 64 x 16 bits via the ORG pin. It utilizes self-timed write cycles with a maximum duration of 10 ms.

Memory IC Feature Summary

• Supports low-voltage operation down to 1.8V for power-sensitive applications
• Features a simple three-wire serial interface for efficient data communication
• Provides high reliability with significant endurance and long-term data retention capabilities

Memory IC Applications

• Industrial control systems requiring non-volatile storage
• Commercial devices optimized for low-power operations
• Automotive grade applications utilizing extended temperature ranges

Memory IC Procurement Notes

Verify that the component originates from authorized distribution channels to ensure authenticity. Confirm that the specific ordering suffix matches the required voltage and package specifications. Check for compliance with current environmental regulations such as RoHS standards before finalizing procurement decisions.

Memory IC Selection Notes

Select this component when a compact 1-kbit EEPROM is required for serial data storage in space-constrained designs. Ensure the host processor supports the three-wire Microwire protocol. Verify that the system voltage remains within the specified 1.8V to 5.5V range to maintain proper functionality and signal integrity.

Memory IC Part Context

This part belongs to the AT93C46/56/66 family of serial EEPROMs designed for industrial and commercial use. While originally produced by Atmel Corporation, these products are now managed within Microchip Technology's portfolio. The series offers various package options including MAP and TSSOP to accommodate different board layout requirements.

Memory IC Replacement Considerations

Consult official documentation for direct substitutes. Note that newer designations such as AT93C46A may be recommended over older variants for new designs.