25LC160BT-I/ST

Overview

The Microchip Technology 25LC160BT-I/ST is a 16 Kbit Serial Electrically Erasable PROM featuring a 2048 x 8-bit organization. It utilizes an SPI-compatible serial bus with a maximum clock frequency of 10 MHz. The device operates within a supply voltage range of 2.5V to 5.5V and supports industrial temperature ranges from -40°C to +85°C. It incorporates a 32-byte page size, self-timed erase/write cycles with a maximum duration of 5 ms, and high reliability metrics including 1,000,000 erase/write cycle endurance and data retention exceeding 200 years.

Feature Summary

• Supports sequential read operations and up to 32-byte page writes via SPI interface
• Includes built-in write protection mechanisms such as block protection and power-on/off data protection circuitry
• Features a HOLD pin to pause serial communication without resetting the sequence

Applications

• Microcontroller system data storage
• Configuration parameter storage
• Calibration data retention

Procurement Notes

Verify the specific suffix 'I/ST' against official documentation to confirm the Industrial temperature grade (-40°C to +85°C) and TSSOP-8 package type. Ensure compatibility with the required 2.5V to 5.5V operating voltage range for your target application environment before finalizing procurement.

Selection Notes

Select this component when a 16 Kbit capacity with SPI interface is required in a surface-mount TSSOP-8 package. Consider the 32-byte page size for efficient data writing compared to older variants. Verify that the host microcontroller supports the necessary SPI modes and voltage levels compatible with the 2.5V to 5.5V supply range.

Part Context

This part belongs to the 25LC160A/B family of 16 Kbit Serial EEPROMs manufactured by Microchip Technology. The 'B' designation indicates a 32-byte page size, distinguishing it from the 'A' version which has a 16-byte page size. The 'T' suffix typically denotes tape and reel packaging, while 'ST' specifies the TSSOP-8 package form factor.

Replacement Considerations

Direct replacements include other members of the 25LC160A/B family such as 25LC160BT-E/ST for extended temperature ranges or 25LC160AT-I/MS for MSOP packaging. Verify pinout compatibility and electrical specifications before substituting.