25AA080C-I/P

Memory IC Overview

The Microchip Technology 25AA080C-I/P is an 8 Kbit (1024 x 8-bit) Serial Electrically Erasable PROM featuring a 16-byte page size. It operates on an SPI-compatible serial bus with a maximum clock frequency of 10 MHz and supports a supply voltage range of 1.8V to 5.5V. The device utilizes low-power CMOS technology, offering standby current as low as 1 µA at +85°C. It provides high reliability with over 1 million erase/write cycles and data retention exceeding 200 years. The component is housed in an 8-lead PDIP package and is rated for industrial temperatures from -40°C to +85°C.

Memory IC Feature Summary

• Supports block write protection allowing selection of none, 1/4, 1/2, or all array segments.
• 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

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

Memory IC Procurement Notes

Verify the specific suffix 'I' confirms the Industrial temperature grade (-40°C to +85°C). Confirm the 'P' suffix indicates the 8-lead PDIP package type. Ensure the 'C' designation matches the required 16-byte page size architecture rather than the 'D' variant's 32-byte pages. Cross-reference the datasheet DS22151B for accurate electrical specifications.

Memory IC Selection Notes

Select this part when a 1.8V to 5.5V operating voltage range is required alongside standard SPI interface compatibility. The 16-byte page size suits applications with smaller data update requirements. Consider the industrial temperature rating for environments outside commercial limits. Verify that the 10 MHz maximum clock speed meets the system's throughput needs.

Memory IC Part Context

This component belongs to the 25XX080C/D family of 8K SPI Bus Serial EEPROMs manufactured by Microchip Technology. The 'AA' prefix denotes the 1.8V minimum supply voltage capability, distinguishing it from the 'LC' series which requires a 2.5V minimum. The 'C' variant specifically defines the 16-byte page structure within this product line.

Memory IC Replacement Considerations

25AA080D-I/P

Memory IC FAQ

How does the HOLD pin function during operation?

The HOLD pin suspends transmission to the device while in the middle of a serial sequence without requiring retransmission. It must be held high when not in use and pulled low while SCK is low to invoke the pause.

What is the difference between the 25AA080C and 25AA080D variants?

The primary difference is the page size. The 25AA080C features a 16-byte page size, whereas the 25AA080D has a 32-byte page size. Both share the same memory organization and interface.