AT24CS08-XHM-B Equivalent & Substitute Parts

Part Overview

The AT24CS08-XHM-B is an 8Kbit EEPROM memory IC with I2C interface manufactured by Microchip Technology. This non-volatile memory device operates at 1 MHz clock frequency with 550 ns access time and supports a supply voltage range of 1.7V to 5.5V. The component is housed in an 8-TSSOP surface mount package and maintains active product status with full RoHS3 compliance. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the same package and interface standards.

Substiute Parts

AT24CS08-XHM-B

Microchip TechnologyIn Stock: 863AT24CS08-XHM-B Datasheet

Current PartRFQ

AT24C08C-XHM-B

Microchip TechnologyIn Stock: 6715AT24C08C-XHM-B Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The AT24C08C-XHM-B qualifies as a parametric equivalent to the AT24CS08-XHM-B based on strict alignment of the following critical parameters:

• Memory capacity: 8Kbit with identical 1K x 8 organization
• Interface protocol: I2C at 1 MHz clock frequency
• Electrical performance: 550 ns access time and 5ms write cycle time
• Supply voltage compatibility: 1.7V ~ 5.5V operating range
• Temperature specification: -40°C ~ 85°C
• Package specification: 8-TSSOP surface mount with identical physical dimensions
• Compliance certifications: RoHS3 and REACH status match

Both components share the same base product number designation (AT24CS08 vs AT24C08) with identical electrical and mechanical characteristics, confirming direct substitutability within the specified parameter constraints.

Parameter Comparison

Engineering Selection Recommendations

Both the AT24CS08-XHM-B and AT24C08C-XHM-B maintain active product status from Microchip Technology with identical compliance certifications. The AT24C08C-XHM-B offers higher inventory availability (6673 pcs vs 841 pcs), making it the preferred selection for applications requiring extended lead time assurance. Both components satisfy RoHS3 and REACH regulatory requirements with matching MSL ratings. Selection between these parts should be based on supply chain requirements and procurement timelines, as electrical and mechanical specifications are fully equivalent.

Frequently Asked Questions (FAQ)

Q: Can AT24C08C-XHM-B replace AT24CS08-XHM-B in existing designs?

A: Yes. Both components share identical electrical specifications, memory organization, I2C interface timing, supply voltage range, and 8-TSSOP package dimensions. Direct substitution is supported without circuit modification.

Q: Are there differences in the base product numbers AT24CS08 and AT24C08?

A: The base product designations differ, but the full part numbers AT24CS08-XHM-B and AT24C08C-XHM-B are parametrically equivalent. All critical electrical and mechanical parameters match exactly.

Q: What is the significance of the MSL rating for these components?

A: Both parts carry MSL 3 (168 Hours) rating, indicating identical moisture sensitivity levels and requiring the same storage and handling protocols. No difference in shelf life management is required.

Q: Are both parts RoHS3 compliant?

A: Yes. Both AT24CS08-XHM-B and AT24C08C-XHM-B are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.

Q: Which part should be selected for new designs?

A: Selection should be based on supply availability and procurement lead times. The AT24C08C-XHM-B currently has higher inventory levels. Both parts are functionally and mechanically identical for design purposes.