24LC04B-I/MS

Memory IC Overview

The Microchip Technology 24LC04B-I/MS is a 4-Kbit (512 x 8) Electrically Erasable PROM (EEPROM) featuring a two-wire I²C compatible serial interface. It operates within a supply voltage range of 2.5V to 5.5V and supports a maximum clock frequency of 400 kHz. The device includes a 16-byte page write buffer, self-timed erase/write cycles with a maximum duration of 5 ms, and hardware write protection via the WP pin. It offers data retention exceeding 200 years and endurance of over one million erase/write cycles. Operating temperatures range from -40°C to +85°C for the Industrial grade.

Memory IC Feature Summary

• Two-wire serial interface compatible with standard I²C protocols
• Hardware write-protect capability via dedicated control pin
• Schmitt trigger inputs and output slope control for noise suppression
• Self-timed internal write cycle management

Memory IC Applications

• Embedded systems requiring non-volatile data storage
• Industrial control devices needing parameter retention
• Consumer electronics utilizing low-pin-count memory solutions
• Automotive applications meeting AEC-Q100 qualification standards

Memory IC Procurement Notes

Verify that the specific ordering suffix corresponds to the MSOP-8 package type and Industrial temperature range (-40°C to +85°C). Confirm RoHS compliance status as required by project specifications. Ensure compatibility with the target system's I²C bus voltage levels and pull-up resistor requirements before integration.

Memory IC Selection Notes

Select this component when a 4-Kbit capacity is sufficient for application needs. The 24LC04B variant requires a minimum operating voltage of 2.5V; verify that the system power rail meets this threshold. Consider the MSOP-8 surface mount package for space-constrained PCB layouts. Evaluate the need for hardware write protection if data integrity against accidental writes is critical.

Memory IC Part Context

This part belongs to the 24XX04 family of serial EEPROMs manufactured by Microchip Technology. The family includes variants such as the 24AA04 and 24FC04, which differ primarily in operating voltage ranges and maximum clock frequencies. The 24LC04B specifically targets applications requiring operation down to 2.5V with 400 kHz speed capabilities.

Memory IC Replacement Considerations

Direct functional substitutes within the same package include the 24LC04BT-I/MS. Other package options for the same electrical specifications are available, such as the PDIP-8 (24LC04B-I/P) or TSSOP-8 (24LC04B-I/ST), provided mechanical constraints allow.