47L16T-E/SN

Overview

The Microchip Technology 47L16T-E/SN is a serial EERAM device combining SRAM with EEPROM backup. It features a 16Kbit (x8) organization and operates on a single 2.7V to 3.6V supply. The component utilizes an I2C-compatible interface with a maximum clock frequency of 1 MHz. It is housed in an 8-pin SOIC package and supports extended industrial temperature ranges from -40°C to +125°C.

Feature Summary

• Integrates high-speed SRAM with non-volatile EEPROM backup for seamless data retention without power cycles.
• Supports standard I2C communication protocols for simplified system integration.
• Operates within an extended industrial temperature range suitable for demanding environments.

Applications

• Data logging systems requiring persistent storage
• Configuration memory in embedded controllers
• Industrial instrumentation with frequent state changes

Procurement Notes

Verify the specific suffix 'E' indicates the extended temperature grade (-40°C to +125°C) and 'SN' denotes the SOIC-8 package. Confirm the tape and reel quantity matches project requirements, as this variant typically ships in reels of 3300 units. Ensure voltage levels align with the 2.7V to 3.6V specification before finalizing orders.

Selection Notes

Select this part when non-volatility is required alongside fast random access speeds. The I2C interface reduces pin count compared to parallel alternatives. Consider the extended temperature rating if the application exceeds commercial limits. Verify that the 16Kbit capacity meets storage needs without excessive cost overhead.

Part Context

This component belongs to the 47L16 series of EERAM devices from Microchip Technology. These parts are designed to replace traditional SRAM or EEPROM combinations by integrating both technologies into a single package. The series offers a balance of speed and persistence for various memory-intensive applications.

Replacement Considerations

Check for 47L16-I/ST if industrial temperature range is sufficient instead of extended. Verify pin compatibility with existing PCB layouts when substituting similar SOIC-8 memory ICs.