HCS300T-I/SN Code Hopping Encoder Equivalent & Substitute Parts

Part Overview

The HCS300T-I/SN is a Code Hopping Encoder manufactured by Microchip Technology, part of the KEELOQ® series. This integrated circuit functions as an 8-SOIC surface mount encoder designed for secure remote access and keyless entry applications. The device is currently in Active product status with full RoHS3 compliance and REACH unaffected classification.

Substitute parts are identified when equivalent electrical and mechanical parameters align with the main part specification, enabling direct functional replacement in circuit designs without performance degradation.

Substiute Parts

HCS300T-I/SN

Microchip TechnologyIn Stock: 3900HCS300T-I/SN Datasheet

Current PartRFQ

HCS300-I/SN

Microchip TechnologyIn Stock: 35261HCS300-I/SN Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the HCS300T-I/SN is determined by the following critical parameters:

Electrical Compatibility: Identical manufacturer (Microchip Technology), series designation (KEELOQ®), and functional type (Code Hopping Encoder) ensure electrical equivalence.

Mechanical Compatibility: Package type (8-SOIC), case dimensions (0.154", 3.90mm Width), and mounting method (Surface Mount) must match exactly for PCB layout compatibility.

Regulatory Compliance: RoHS3 compliance and REACH unaffected status must be maintained across all substitute parts.

Functional Application: Both remote secure access and keyless entry applications are supported identically.

The HCS300-I/SN qualifies as a direct substitute based on these parameters. Packaging format differences (Cut Tape & Digi-Reel® versus Tube) do not affect electrical or mechanical compatibility and represent supply chain variations only.

Parameter Comparison

Engineering Selection Recommendations

Direct Substitution: The HCS300-I/SN is electrically and mechanically equivalent to the HCS300T-I/SN. Both parts maintain Active product status with identical RoHS3 and REACH compliance certifications. Selection between these parts is determined by supply chain requirements and packaging format availability.

Moisture Sensitivity Consideration: The HCS300-I/SN features MSL 1 (Unlimited) compared to the main part's MSL 3 (168 Hours). This represents an improvement in moisture tolerance and storage flexibility, with no negative impact on substitution suitability.

Inventory Availability: The HCS300-I/SN maintains significantly higher inventory levels (35,200 Pcs) compared to the HCS300T-I/SN (3,827 Pcs), supporting supply chain continuity for production requirements.

Frequently Asked Questions (FAQ)

Q: Can HCS300-I/SN replace HCS300T-I/SN in existing circuit designs?

A: Yes. Both parts are identical in electrical function, package type (8-SOIC), case dimensions (0.154", 3.90mm Width), and mounting method (Surface Mount). No circuit modifications are required.

Q: What is the difference between Cut Tape & Digi-Reel® and Tube packaging?

A: These represent supply chain packaging formats only. Both formats contain the same HCS300-I/SN integrated circuit with identical electrical and mechanical specifications. Selection depends on assembly equipment compatibility and procurement requirements.

Q: Does the MSL 1 rating of HCS300-I/SN provide advantages over MSL 3?

A: MSL 1 (Unlimited moisture sensitivity level) provides extended storage capability without moisture bake-out requirements, compared to MSL 3 (168 hours). This represents improved handling flexibility with no electrical performance differences.

Q: Are both parts RoHS3 compliant?

A: Yes. Both HCS300T-I/SN and HCS300-I/SN maintain ROHS3 compliance and REACH unaffected status, meeting current environmental and regulatory requirements.

Q: What applications are supported by these substitute parts?

A: Both parts support Remote Secure Access and Keyless Entry applications identically, with no functional limitations or differences in application suitability.