24AA01T-I/SN16KVAO

Memory IC Overview

The Microchip Technology 24AA01T-I/SN16KVAO is a 1 Kbit Electrically Erasable PROM (EEPROM) organized as 128 x 8-bit memory. It features a 2-wire I2C compatible serial interface with a maximum clock frequency of 400 kHz at VCC levels between 2.5V and 5.5V, and 100 kHz when VCC is between 1.7V and 2.5V. The device operates on a single supply voltage ranging from 1.7V to 5.5V. It supports page write operations with an 8-byte buffer and includes hardware write protection via the WP pin.

Memory IC Feature Summary

• Supports bidirectional data transmission over a 2-wire serial bus using standard I2C protocol
• Includes Schmitt trigger inputs and filter circuits for noise suppression on SDA and SCL lines
• Features an internal address pointer that maintains the last accessed word address for sequential reads
• Provides hardware write protection by tying the WP pin to VCC to inhibit all write operations

Memory IC Applications

• Low-voltage embedded systems requiring non-volatile data storage
• Industrial control applications operating within the industrial temperature range
• Automotive electronics utilizing AEC-Q100 qualified components
• Systems needing hardware-level protection against accidental memory writes

Memory IC Procurement Notes

Verify the specific ordering suffix 'SN16KVAO' against the manufacturer's current datasheet to confirm package type and tape-and-reel specifications. Ensure the required operating voltage aligns with the 1.7V minimum specification for the 24AA01 series. Confirm that the 400 kHz clock rate is supported by the system's power supply conditions.

Memory IC Selection Notes

Select this component for designs requiring low standby current and operation down to 1.7V. The Industrial temperature grade (-40°C to +85°C) suits general commercial and industrial environments. Consider the 8-byte page write buffer for efficient data handling. Verify that the host controller supports the I2C start/stop conditions and acknowledge polling mechanisms described in the functional description.

Memory IC Part Context

This part belongs to the 24XX01 family of 1 Kbit EEPROMs, which also includes the 24LC01B and 24FC01 variants. While sharing the same memory organization and interface, the 24AA01 is distinguished by its lower minimum operating voltage of 1.7V compared to the 2.5V requirement of the 24LC01B. It shares physical package options such as SOIC-8 with other members of the series.

Memory IC Replacement Considerations

The 24LC01B serves as a functional substitute but requires a minimum supply voltage of 2.5V. The 24FC01 offers higher speed compatibility up to 1 MHz but may have different electrical characteristics. Verify that any replacement part matches the required voltage range and package dimensions.