24C65T-I/SM

Memory IC Overview

The Microchip Technology 24C65T-I/SM is a 64Kb (8K x 8) serial electrically erasable programmable read-only memory (EEPROM) IC. It utilizes an I2C (2-Wire) serial interface with a maximum clock frequency of 400 kHz and features a typical access time of 900 ns. The device operates on a single supply voltage ranging from 4.5V to 6V and is housed in an 8-SOIJ surface-mount package. Designed for industrial applications, it supports a wide operating temperature range from -40°C to +85°C.

Memory IC Feature Summary

• Supports high-speed I2C communication with a maximum clock frequency of 400 kHz
• Provides non-volatile data storage with a capacity of 64Kb organized as 8K words by 8 bits
• Operates reliably within an extended industrial temperature range of -40°C to +85°C

Memory IC Applications

• Industrial control systems requiring persistent configuration storage
• Data acquisition modules needing reliable parameter retention
• Embedded devices utilizing standard I2C bus architectures

Memory IC Procurement Notes

Verify the specific suffix 'I/SM' confirms the industrial temperature grade (-40°C to +85°C) and the 8-SOIJ package type. Ensure the system power supply strictly adheres to the 4.5V to 6V operating range, as this variant does not support lower voltages like 2.5V or 1.7V found in other series members. Confirm compatibility with the target PCB footprint for the narrow SOIC-8 package.

Memory IC Selection Notes

Select this component when a 64Kb EEPROM is required with a 4.5V to 6V supply constraint. It is suitable for designs prioritizing the 400 kHz I2C speed over the lower power consumption of 2.5V variants. Consider alternative packages such as PDIP or TSSOP if surface mount constraints differ, or choose 24LC256 series parts if lower voltage operation is necessary.

Memory IC Part Context

This part belongs to the Microchip 24xx65 family of serial EEPROMs. These devices are designed for low-power, high-reliability applications using CMOS technology. The family shares functional similarities but varies in supply voltage ranges and package options, allowing designers to select the appropriate version based on specific power and form factor requirements.

Memory IC Replacement Considerations

The 24C65/P serves as a through-hole alternative with identical electrical specifications. For surface-mount applications requiring lower voltage operation, the 24LC65 series is functionally similar but requires a 2.5V to 5.5V supply.