25LC080DT-E/ST

Overview

The Microchip Technology 25LC080DT-E/ST is an 8 Kbit (1024 x 8-bit) Serial Electrically Erasable PROM. It operates within a voltage range of 2.5V to 5.5V and supports a maximum clock frequency of 10 MHz at 5.5V. The device features a 32-byte page size, characteristic of the 'D' version in the 25XX080C/D family. It utilizes a standard SPI-compatible serial bus for communication, including SCK, SI, SO, and CS pins. The component is housed in an 8-lead Thin Shrink Small Outline (ST) package and is rated for industrial temperature ranges.

Feature Summary

• Supports high-reliability operation with over 1 million erase/write cycles and data retention exceeding 200 years.
• Includes built-in write protection mechanisms such as block write protection, power-on/off data protection, and a dedicated write-protect pin.
• Features a hold function that allows pausing serial communication without resetting the sequence, facilitating higher priority interrupt servicing.

Applications

• Data storage in microcontroller systems requiring non-volatile memory
• Configuration parameter storage in embedded devices
• Calibration data retention in industrial instrumentation

Procurement Notes

Verify the specific suffix 'E' indicates Automotive grade (-40°C to +125°C) while 'I' denotes Industrial grade (-40°C to +85°C). Confirm the 'D' suffix corresponds to the 32-byte page size variant. Ensure the 'ST' package matches the required 8-lead TSSOP footprint dimensions. Cross-reference the datasheet revision DS22151B for accurate electrical characteristics.

Selection Notes

Select this part when an 8 Kbit capacity is required with SPI interface compatibility. Choose the 'D' version for larger page writes compared to the 'C' version. Ensure the operating voltage aligns with the 2.5V to 5.5V range. Consider the automotive temperature rating if the application environment exceeds standard industrial limits.

Part Context

This component belongs to the 25AA080C/D and 25LC080C/D family of 8 Kbit Serial EEPROMs. The 'LC' designation typically implies a wider voltage range or specific performance characteristics compared to the 'AA' series. The 'D' suffix differentiates it from the 'C' version by offering a 32-byte page size instead of 16 bytes, enhancing write efficiency.

Replacement Considerations

Public confirmed substitute part numbers: 25LC080DT-I/ST, 25LC080D-E/ST, 25LC080D-I/ST.