Equivalent & Substitute Parts for 24LC01BHT-E/OT

Part Overview

The 24LC01BHT-E/OT is a 1Kbit EEPROM memory IC manufactured by Microchip Technology, featuring I2C interface communication at 400 kHz with 900 ns access time. This device is packaged in SOT-23-5 surface mount configuration and operates across a supply voltage range of 2.5V to 5.5V with an operating temperature range of -40°C to 125°C. The part maintains Active product status and is RoHS3 compliant. Equivalent and substitute parts are identified when they maintain functional compatibility across critical electrical and mechanical parameters while meeting the same packaging and interface requirements.

Substiute Parts

24LC01BHT-E/OT

Microchip TechnologyIn Stock: 110924LC01BHT-E/OT Datasheet

Current PartRFQ

24LC01BT-E/OT

Microchip TechnologyIn Stock: 339024LC01BT-E/OT Datasheet

MFR RecommendedRFQ

AT24CS01-STUM-T

Microchip TechnologyIn Stock: 1000413AT24CS01-STUM-T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 24LC01BHT-E/OT is determined by strict alignment across the following critical parameters:

• Memory capacity and organization (1Kbit, 128 x 8 format)
• Interface protocol (I2C)
• Package type (SOT-23-5)
• Supply voltage compatibility (minimum 2.5V support required)
• Operating temperature range (minimum -40°C to 125°C coverage)
• RoHS3 compliance status

The 24LC01BT-E/OT qualifies as a direct substitute, maintaining identical memory specifications, I2C interface, SOT-23-5 packaging, and full operating parameter alignment. The AT24CS01-STUM-T qualifies as a functional substitute with extended I2C clock frequency capability (1 MHz versus 400 kHz) and improved access time (550 ns versus 900 ns), though it operates at a reduced maximum temperature of 85°C and requires minimum supply voltage of 1.7V.

Parameter Comparison

Engineering Selection Recommendations

The 24LC01BT-E/OT is the primary substitute option, offering identical electrical and thermal specifications with full compatibility across all operating parameters. Both the main part and this substitute maintain Active product status and ROHS3 compliance.

The AT24CS01-STUM-T provides an alternative with enhanced I2C clock frequency and faster access time characteristics. Selection of this part requires confirmation that the application's maximum operating temperature does not exceed 85°C, as this represents a constraint relative to the main part's 125°C rating. The extended lower voltage support (1.7V minimum) of this substitute may provide additional flexibility in low-power applications.

Frequently Asked Questions (FAQ)

Q: Can the 24LC01BT-E/OT be used as a direct replacement for the 24LC01BHT-E/OT?

A: Yes. The 24LC01BT-E/OT maintains identical memory capacity, I2C interface specifications, supply voltage range, and operating temperature range. The primary difference is packaging format (Cut Tape & Digi-Reel versus Tape & Reel), which does not affect functional compatibility.

Q: What are the limitations of using AT24CS01-STUM-T as a substitute?

A: The AT24CS01-STUM-T operates at a maximum temperature of 85°C, compared to 125°C for the main part. Applications requiring operation above 85°C must use the 24LC01BHT-E/OT or 24LC01BT-E/OT. The AT24CS01-STUM-T supports lower minimum supply voltage (1.7V) and offers faster I2C clock frequency (1 MHz) and access time (550 ns).

Q: Are all substitute parts RoHS3 compliant?

A: Yes. Both substitute parts maintain ROHS3 compliance status, matching the main part specification.

Q: Does the SOT-23-5 package remain consistent across all parts?

A: Yes. All three parts use SOT-23-5 surface mount packaging, ensuring mechanical and footprint compatibility on PCB designs.

Q: What determines I2C compatibility between these parts?

A: All parts implement I2C interface protocol. The 24LC01BHT-E/OT and 24LC01BT-E/OT operate at 400 kHz clock frequency. The AT24CS01-STUM-T supports up to 1 MHz, which is backward compatible with 400 kHz I2C bus specifications.