LC75700TS-MPB-E Equivalent & Substitute Parts

Part Overview

The LC75700TS-MPB-E is a specialized interface IC designed for key scanning LSI applications, manufactured by onsemi. This component operates across a supply voltage range of 2.7V to 5.5V and is housed in a 20-TSSOP surface mount package. The product is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations where legacy compatibility is required.

Substiute Parts

LC75700TS-MPB-E

onsemiIn Stock: 963LC75700TS-MPB-E Datasheet

Current PartRFQ

ECE1105-HZH

Microchip TechnologyIn Stock: 805ECE1105-HZH Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the LC75700TS-MPB-E is determined by functional equivalence in key scanning LSI interface applications. The primary substitute identified is the ECE1105-HZH from Microchip Technology. This substitution is based on:

• Shared functional category: Interface IC for key scanning LSI applications
• Equivalent surface mount technology: Both components use surface mount assembly methods
• Active product status of the substitute: ECE1105-HZH maintains current manufacturing and support status
• Compliance alignment: Both components maintain REACH Unaffected status

The ECE1105-HZH operates as a functional alternative despite differences in package configuration and electrical specifications, as these parameters were not provided for direct comparison in the source data.

Parameter Comparison

Engineering Selection Recommendations

Selection between the LC75700TS-MPB-E and ECE1105-HZH should prioritize the following factors:

• Product Status: The ECE1105-HZH maintains active manufacturing status, ensuring long-term availability and supply chain stability compared to the obsolete LC75700TS-MPB-E.
• Compliance: Both components maintain REACH Unaffected status, satisfying regulatory requirements for equivalent applications.
• Packaging and Moisture Sensitivity: The ECE1105-HZH carries MSL 1 (Unlimited) rating versus MSL 4 (72 Hours) for the LC75700TS-MPB-E, indicating superior moisture tolerance during storage and handling.
• RoHS Compliance: The ECE1105-HZH is explicitly ROHS3 Compliant, providing enhanced environmental compliance assurance.

For new designs or system refreshes, the ECE1105-HZH is the preferred selection due to active product status and superior compliance certifications.

Frequently Asked Questions (FAQ)

Q: Can the ECE1105-HZH directly replace the LC75700TS-MPB-E in existing designs?

A: Both components serve key scanning LSI interface applications and share surface mount technology. However, package differences (20-TSSOP versus 48-QFN) require PCB layout modifications. Electrical parameter compatibility must be verified against your specific application requirements.

Q: Why is the LC75700TS-MPB-E classified as obsolete?

A: Obsolete status indicates the manufacturer has discontinued production. The ECE1105-HZH from Microchip Technology provides functional equivalence with active manufacturing support.

Q: What is the significance of MSL ratings in this comparison?

A: MSL 4 (72 Hours) for the LC75700TS-MPB-E requires controlled moisture exposure during storage and assembly. MSL 1 (Unlimited) for the ECE1105-HZH eliminates moisture sensitivity constraints, reducing handling and storage complexity.

Q: Are both components REACH compliant?

A: Both components maintain REACH Unaffected status. The ECE1105-HZH additionally carries ROHS3 Compliance certification, providing broader environmental regulatory alignment.

Q: What package considerations apply to substitution?

A: The LC75700TS-MPB-E uses 20-TSSOP packaging, while the ECE1105-HZH uses 48-QFN (7x7) packaging. Package differences necessitate PCB redesign and footprint verification before implementation.