24LC04BH-E/ST EEPROM Memory IC Equivalent & Substitute Parts

Part Overview

The 24LC04BH-E/ST is a 4Kbit I2C EEPROM memory IC manufactured by Microchip Technology, designed for non-volatile data storage applications requiring serial communication. This component operates across a wide supply voltage range of 2.5V to 5.5V and supports I2C communication at 400 kHz clock frequency. The device is currently in active product status with robust inventory availability. Substitute parts are identified when equivalent electrical specifications, memory organization, interface protocols, and physical packaging are maintained across the component family.

Substiute Parts

24LC04BH-E/ST

Microchip TechnologyIn Stock: 91224LC04BH-E/ST Datasheet

Current PartRFQ

24LC04B-E/ST

Microchip TechnologyIn Stock: 606524LC04B-E/ST Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The 24LC04B-E/ST qualifies as a parametric equivalent to the 24LC04BH-E/ST based on the following critical substitution criteria:

Electrical Equivalence: Both parts maintain identical memory capacity (4Kbit), memory organization (256 x 8 x 2), I2C interface protocol, clock frequency (400 kHz), access time (900 ns), write cycle time (5ms), and supply voltage range (2.5V ~ 5.5V).

Thermal Compatibility: Operating temperature range is identical at -40°C to 125°C, ensuring functional equivalence across all specified environmental conditions.

Physical Compatibility: Both components utilize the same 8-TSSOP surface mount package with identical dimensions (0.173", 4.40mm Width), allowing direct PCB footprint compatibility.

Compliance Alignment: Both parts maintain ROHS3 compliance, identical MSL rating (1 - Unlimited), and equivalent regulatory status (REACH Unaffected, ECCN EAR99).

Parameter Comparison

Engineering Selection Recommendations

Both the 24LC04BH-E/ST and 24LC04B-E/ST are active products from Microchip Technology with full ROHS3 compliance and equivalent regulatory certifications. Selection between these parts should be based on inventory availability and supply chain considerations. The 24LC04B-E/ST currently maintains higher inventory levels (5,984 Pcs) compared to the 24LC04BH-E/ST (884 Pcs), making it suitable for high-volume production requirements. Both components are verified for DiGi-Electronics programming compatibility, ensuring consistent firmware programming procedures across either selection.

Frequently Asked Questions (FAQ)

Q: Can the 24LC04B-E/ST directly replace the 24LC04BH-E/ST in existing designs?

A: Yes. Both parts are electrically and mechanically equivalent with identical I2C interface specifications, memory organization, timing parameters, and 8-TSSOP package dimensions. No circuit modifications are required.

Q: Are there differences in supply voltage compatibility?

A: No. Both parts operate across the identical supply voltage range of 2.5V to 5.5V, ensuring compatibility with the same power supply designs.

Q: Do these parts have different thermal operating ranges?

A: No. Both components maintain the same operating temperature range of -40°C to 125°C, providing equivalent thermal performance across all specified conditions.

Q: Are both parts RoHS compliant?

A: Yes. Both the 24LC04BH-E/ST and 24LC04B-E/ST are ROHS3 compliant with identical MSL ratings (1 - Unlimited), meeting equivalent environmental and regulatory requirements.

Q: What is the significance of the different base product numbers (24LC04BH vs. 24LC04)?

A: The base product number variation reflects internal Microchip Technology product line designations. Both parts maintain identical electrical specifications, memory capacity, interface protocols, and package types, making them functionally equivalent for engineering applications.

Q: Can I use either part interchangeably in production?

A: Yes. Both parts are active products with verified programming compatibility and equivalent compliance certifications. Selection can be based on inventory availability and supply chain requirements without affecting circuit performance or reliability.