24AA52-I/P

Memory IC Overview

The Microchip Technology 24AA52-I/P is a 2 Kbit Electrically Erasable PROM organized as one block of 256 bytes (256 x 8). It operates on a single supply voltage ranging from 1.8V to 5.5V and supports a maximum clock frequency of 400 kHz via an I2C compatible 2-wire serial interface. The device features Schmitt trigger inputs for noise suppression and output slope control to eliminate ground bounce. It includes software write protection for the lower 128 bytes and hardware write protection for the entire array using the WP pin. The industrial temperature range (-40°C to +85°C) ensures reliable operation in demanding environments.

Memory IC Feature Summary

• Supports bidirectional 2-wire serial communication with I2C compatibility
• Provides dual-level write protection through software configuration and hardware pins
• Includes internal address pointer for sequential read operations
• Features self-timed write cycles with automatic erase capabilities

Memory IC Applications

• Data logging systems requiring non-volatile storage
• Configuration memory for embedded controllers
• Parameter storage in industrial instrumentation
• Device identification and calibration data retention

Memory IC Procurement Notes

Verify that the ordering suffix matches the required package type, specifically PDIP-8 for this model. Confirm the temperature grade corresponds to Industrial specifications (-40°C to +85°C). Ensure the voltage range requirements align with the 1.8V to 5.5V operational limits. Check for specific RoHS compliance markings if environmental regulations apply to the assembly process.

Memory IC Selection Notes

Select this component when a small, low-power EEPROM is needed for storing configuration data or user parameters. The 256-byte capacity is suitable for applications requiring minimal non-volatile storage without complex addressing schemes. The I2C interface simplifies PCB routing by utilizing only two signal lines. Consider the page write buffer capability if burst writing efficiency is required within the application constraints.

Memory IC Part Context

This part belongs to the 24AA52/24LCS52 family of 2Kbit serial EEPROMs manufactured by Microchip Technology. The family shares common electrical characteristics and interface protocols but differs in maximum clock frequency and minimum operating voltage depending on the specific suffix. The 24AA52 variant supports operation down to 1.8V, whereas other variants may have higher minimum voltage thresholds.

Memory IC Replacement Considerations

Direct substitutes include other 24AA52 variants with different packaging options such as SOIC, TSSOP, MSOP, DFN, or TDFN, provided the pinout remains identical. Cross-referencing with the 24LC52 series is possible if voltage levels and timing requirements are compatible, though specific electrical differences must be verified against the datasheet.