Equivalent & Substitute Parts for 24LC00/ST

Part Overview

The 24LC00/ST is a 128-bit EEPROM memory integrated circuit manufactured by Microchip Technology. This non-volatile memory device operates via I2C interface at 400 kHz clock frequency and is housed in an 8-TSSOP surface mount package. The part is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level rating.

Finding equivalent substitute parts for the 24LC00/ST becomes necessary when the original part experiences supply constraints, extended lead times, or when design requirements call for expanded operating temperature ranges or enhanced inventory availability.

Substiute Parts

24LC00/ST

Microchip TechnologyIn Stock: 69324LC00/ST Datasheet

Current PartRFQ

24LC00-I/ST

Microchip TechnologyIn Stock: 3337024LC00-I/ST Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 24LC00/ST is determined by strict equivalence across the following critical parameters:

• Memory capacity (128 bit)
• Memory type (EEPROM, non-volatile)
• Interface protocol (I2C)
• Clock frequency (400 kHz)
• Memory organization (16 x 8)
• Package form factor (8-TSSOP)
• Supply voltage range (2.5V ~ 5.5V minimum compatibility)
• Write cycle time (4 ms)
• Access time (4.6 µs)
• Surface mount capability

The 24LC00-I/ST qualifies as a direct substitute based on identical electrical specifications, identical package configuration, and manufacturer designation as the recommended equivalent part. Both parts share the same base product number (24LC00) and maintain full functional compatibility within I2C-based memory applications.

Parameter Comparison

Engineering Selection Recommendations

The 24LC00-I/ST serves as the manufacturer-recommended substitute for the 24LC00/ST. Both parts maintain Active product status and full ROHS3 compliance, ensuring regulatory alignment for current and future applications.

Selection between these parts should be based on operating environment requirements. The 24LC00/ST operates within the 0°C to 70°C temperature range, suitable for standard commercial applications. The 24LC00-I/ST extends the operating temperature range to -40°C to 85°C, accommodating industrial and extended-temperature environments.

All other electrical and mechanical parameters remain identical, ensuring direct pin-for-pin and functional compatibility. The substitute part maintains the same I2C protocol implementation, memory capacity, access timing, and package footprint, eliminating the need for circuit redesign or PCB layout modifications.

Frequently Asked Questions (FAQ)

Q: Can the 24LC00-I/ST replace the 24LC00/ST in existing designs?

A: Yes. The 24LC00-I/ST is electrically and mechanically identical to the 24LC00/ST across all critical parameters including memory capacity, I2C interface, clock frequency, supply voltage range, and 8-TSSOP package configuration. No circuit modifications or PCB changes are required.

Q: What is the primary difference between these two parts?

A: The operating temperature range differs. The 24LC00/ST operates from 0°C to 70°C, while the 24LC00-I/ST operates from -40°C to 85°C. All other specifications remain identical.

Q: Are both parts RoHS compliant?

A: Yes. Both the 24LC00/ST and 24LC00-I/ST are ROHS3 compliant and carry unlimited moisture sensitivity level (MSL 1) ratings.

Q: Does the substitute part require different PCB footprint or layout considerations?

A: No. Both parts use the identical 8-TSSOP package with 0.173" width and 4.40mm dimensions. PCB footprints, trace routing, and component placement remain unchanged.

Q: Which part should be selected for industrial applications?

A: The 24LC00-I/ST is recommended for industrial and extended-temperature environments due to its -40°C to 85°C operating range. The 24LC00/ST is suitable for standard commercial temperature ranges (0°C to 70°C).