25LC160B-E/SN

Overview

The Microchip Technology 25LC160B-E/SN is a 16 Kbit Serial Electrically Erasable PROM featuring a 2048 x 8-bit organization. It utilizes an SPI-compatible serial bus with SCK, SI, SO, and CS signals for communication. The device supports a maximum clock frequency of 10 MHz at VCC levels between 4.5V and 5.5V. It operates within a supply voltage range of 2.5V to 5.5V and includes a 32-byte page size. The component is housed in an 8-lead SOIC package and supports industrial temperature ranges.

Feature Summary

• Supports high-speed SPI communication with up to 10 MHz clock frequency
• Includes hardware write protection via WP pin and software block protection
• Features self-timed erase and write cycles with internal write enable latch
• Provides hold functionality to pause serial sequences without resetting

Applications

• Microcontroller data storage systems
• Industrial control applications requiring non-volatile memory
• Embedded systems needing configuration parameter retention

Procurement Notes

Verify the specific suffix 'E' against official documentation to confirm environmental compliance status. Ensure the 'SN' designation matches the required 8-lead SOIC package dimensions. Confirm that the operating voltage requirements align with the 2.5V to 5.5V specification provided in the datasheet before finalizing procurement.

Selection Notes

Select this component when a 16 Kbit capacity with SPI interface is required. The 'B' version offers a 32-byte page size compared to the 16-byte page of the 'A' version. Ensure the application environment falls within the specified industrial temperature range. Verify that the system voltage remains within the 2.5V to 5.5V operational limits for reliable performance.

Part Context

This part belongs to the 25XX160A/B family of Serial EEPROMs from Microchip Technology. It shares architectural similarities with the 25AA160 and 25C160 variants but differs in voltage ranges and temperature specifications. The 'B' revision specifically introduces a larger page buffer size for improved write efficiency.

Replacement Considerations

Direct substitutes include other members of the 25LC160 family such as the 25LC160A or 25LC160T series, provided package and page size requirements are met. Cross-referencing with the 25AA160B is possible if lower voltage operation is acceptable.