24AA16H-I/SN

Memory IC Overview

The Microchip Technology 24AA16H-I/SN is a 16-Kbit Electrically Erasable PROM organized as eight blocks of 256 x 8-bit memory. It features a two-wire serial interface compatible with I²C protocols. The device operates on a single supply voltage ranging from 1.7V to 5.5V, supporting maximum clock frequencies of 400 kHz at voltages above 2.5V and 100 kHz below 2.5V. It utilizes low-power CMOS technology with standby currents of 1 μA maximum and active read currents of 1 mA maximum. The component includes hardware write protection for the upper half-array (addresses 400h-7FFh) via the WP pin.

Memory IC Feature Summary

• Hardware write protection capability for half-array segments
• Low-power CMOS construction with minimal standby current consumption
• Integrated page write buffer for efficient data transfer operations
• Schmitt trigger inputs designed for noise suppression on serial lines

Memory IC Applications

• Data logging in industrial environments requiring non-volatile storage
• Configuration parameter storage in embedded systems
• Calibration data retention for sensor modules
• Device identification and serial number storage

Memory IC Procurement Notes

Verify that the ordering suffix 'SN' corresponds specifically to the 8-Lead Plastic Small Outline package. Confirm the temperature grade 'I' indicates operation within the -40°C to +85°C range. Ensure compatibility with the target system's I²C bus voltage levels, noting the 100 kHz limit when operating below 2.5V. Check for RoHS compliance status if required by assembly specifications.

Memory IC Selection Notes

Select this component when a 16-Kbit capacity is sufficient and half-array write protection is required. The 24AA16H supports lower voltage operation down to 1.7V compared to the 24LC16BH variant. Consider the SOIC-8 package dimensions for PCB layout constraints. Verify that the 400 kHz clock speed meets the system's communication timing requirements.

Memory IC Part Context

This part belongs to the 24XX16H family of serial EEPROMs manufactured by Microchip Technology. It shares functional similarities with the 24LC16BH and 24FC16H devices but differs in minimum operating voltage and maximum clock frequency specifications. The family utilizes a standardized I²C interface protocol for data access across various package options including MSOP, PDIP, and TDFN.

Memory IC Replacement Considerations

• 24AA16H-I/MS
• 24AA16H-I/P
• 24AA16H-I/MNY