HCS412-I/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
The HCS412-I/SN is a code-hopping encoder IC from Microchip Technology designed for secure keyless entry and remote control systems. It features KEELOQ rolling code technology, RoHS-compliant construction, and is housed in an 8-pin Small Outline (SOIC) package with a 260°C peak reflow temperature rating. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- HCS412-I/SN Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of HCS412-I/SN?
- KEELOQ rolling code encryption technology provides strong protection against replay attacks for secure wireless remote control applications
- 8-pin SOIC package (SOP8) with plastic/epoxy body enabling compact and low-cost PCB implementation
- RoHS and REACH compliant construction meeting environmental regulations for global market deployment
- 260°C peak reflow temperature rating ensuring compatibility with standard lead-free soldering processes
What is HCS412-I/SN used for?
The HCS412-I/SN is primarily used in automotive keyless entry systems, garage door openers, and home security remote controls where encrypted one-way RF transmission is required. Its KEELOQ rolling code algorithm prevents unauthorized code capture and replay, making it the preferred choice for access control and alarm arming systems. The IC is also used in industrial remote controls and asset tracking devices that benefit from its low-cost, secure encoding capability.
What are the specifications of HCS412-I/SN?
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supplies | 2/6.3 V |
| Qualification Status | Not Qualified |
| Subcategory | Other Telecom ICs |
| Supply Current-Max | 0.0005mA |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Telecom IC Type | DATA ENCRYPTION CIRCUIT |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
Where can I find the HCS412-I/SN datasheet?
HCS412-I/SN Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for HCS412-I/SN?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What encoding technology does the HCS412-I/SN use?
The HCS412-I/SN uses Microchip's KEELOQ rolling code technology, which generates a new encrypted code for every transmission, effectively preventing replay attacks and unauthorized access in remote control systems.
What is the package type of the HCS412-I/SN?
The HCS412-I/SN is available in an 8-pin Small Outline IC (SOIC) package, also known as SOP8, with a rectangular plastic/epoxy body and a peak reflow temperature of 260°C for lead-free assembly compatibility.
Is the HCS412-I/SN RoHS compliant?
Yes, the HCS412-I/SN is both RoHS and REACH compliant, as indicated by its Pb-free code and compliance rating, making it suitable for use in products sold in environmentally regulated markets globally.
What are the main applications for the HCS412-I/SN?
The HCS412-I/SN is widely used in automotive remote keyless entry systems, garage door openers, building access control, home alarm systems, and other one-way RF remote control applications requiring secure and reliable code transmission.
Can the HCS412-I/SN be used with standard RF transmitter circuits?
Yes, the HCS412-I/SN is designed to work with standard RF transmitter circuits operating in common ISM frequency bands such as 315 MHz or 433.92 MHz, making it easy to integrate into existing remote control designs with minimal external components.
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