25AA080B-I/MS

Memory IC Overview

The Microchip Technology 25AA080B-I/MS is an 8 Kbit (1024 x 8-bit) Serial Electrically Erasable PROM featuring a 32-byte page size. It operates via a standard SPI-compatible serial bus with a maximum clock frequency of 10 MHz and supports a supply voltage range from 1.8 V to 5.5 V. The device provides high reliability, including over 1,000,000 erase/write cycles and data retention exceeding 200 years. It is housed in an 8-lead MSOP package and is rated for industrial temperature operation between -40 °C and +85 °C.

Memory IC Feature Summary

• Supports block write protection allowing selective array segments to be protected
• Includes built-in power-on/off data protection circuitry and a write enable latch
• Features a hold pin to pause serial communication without resetting the sequence

Memory IC Applications

• Industrial control systems requiring non-volatile data storage
• Embedded microcontroller applications interfacing via SPI
• Data logging devices needing long-term retention

Memory IC Procurement Notes

Verify that the specific ordering suffix matches the required package type and temperature grade. Confirm the 'B' version designation corresponds to the 32-byte page size requirement rather than the 16-byte variant. Ensure the component meets RoHS compliance standards if applicable to your manufacturing process.

Memory IC Selection Notes

Select this part when a low-voltage SPI EEPROM with a 32-byte page buffer is required. It is suitable for designs operating within the 1.8 V to 5.5 V range. Consider the MSOP package dimensions for space-constrained PCB layouts. Verify that the 10 MHz clock speed aligns with the system's bus timing requirements.

Memory IC Part Context

This component belongs to the 25XX080A/B family of 8 Kbit Serial EEPROMs manufactured by Microchip Technology. The family includes variants with different page sizes and voltage ranges, such as the 25AA080A and 25LC080B series. The 'I' suffix indicates industrial temperature rating, while 'MS' denotes the 8-lead MSOP surface-mount package.

Memory IC Replacement Considerations

Compatible substitutes include other 8 Kbit SPI EEPROMs with similar voltage and interface specifications. Verify pin compatibility and electrical characteristics before swapping. Check datasheets for equivalent page sizes and protection features.