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Microchip Technology HCS301T/SN
- Part No.:
- HCS301T/SN
- Manufacturer:
- Microchip Technology
- Category:
- Specialized ICs
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Description:
- IC CODE HOPPING ENCODER 8SOIC
- Quantity:
Unit Price:$1.30
Ext Price:$1.30
- Payment:
- Shipping:
Product Details
HCS301T/SN - 15-Function KEELOQ Code-Hopping Encoder
HCS301T/SN from Microchip Technology is a tape-and-reel commercial-temperature fifteen-function KEELOQ rolling-code encoder for secure remote transmitters in SOIC-8.
Specifications were checked against the manufacturer data sheet and current distributor listing.
Overview
HCS301T/SN is a KEELOQ code-hopping encoder for secure remote-control transmitters. It combines a 64-bit encryption key, 28-bit serial number and 66-bit transmission format in an 8-lead SOIC.
Key Advantages
Rolling-code operation makes captured transmissions unsuitable for simple replay attacks.
EEPROM-based key and serial-number storage supports production programming and 15 functions transmitter functions.
Available in an established surface-mount or through-hole ordering format.
Electrical and environmental limits are defined by the official data sheet.
Feature Summary
KEELOQ code-hopping transmitter encoder
Button inputs with serial encoded output to an external RF transmitter
3.5 V to 13 V supply; 0 C to +70 C; 8-lead SOIC
8-SOIC (0.154", 3.90mm Width)
Package & Footprint
This ordering code uses the 8-SOIC (0.154", 3.90mm Width) package.
Pin Functions
Confirm exact numbering and the latest land pattern before PCB release.
Key Specifications
| Algorithm | Microchip KEELOQ code hopping |
|---|---|
| Transmission length | 66 bits |
| Hopping code | 32 bits |
| Encryption key | 64 bits |
| Serial number | 28 bits |
| Seed value | 32 bits |
| Supply voltage | 3.5 V to 13 V |
| Functions | 15 functions |
| Operating temperature | 0 C to +70 C |
| Package | 8-lead SOIC |
| Packing | Tape and Reel |
Replacement Considerations
HCS301/SN is a related product in the library. Confirm electrical behavior, package, pinout, ordering media and configuration before substitution.
Similarity of family name or package does not establish drop-in compatibility.
Manufacturer Information
Manufacturer documentation and lifecycle information were checked for the exact order code.
Applications
Generates rolling-code frames for vehicle and equipment remote controls.
Provides replay-resistant transmitter identity and command encoding.
Quality & Authenticity
Match the complete ordering code, package marking and reel or lot label to authorized-channel records. Inspect moisture handling and solderability requirements before assembly.
FAQ
What is the main function?
KEELOQ code-hopping transmitter encoder
What package is used?
8-SOIC (0.154", 3.90mm Width)
Can the related part be substituted directly?
No. Validate all electrical, mechanical and configuration differences first.
Is the package image ready?
Yes. The registered package JPG is present locally.
Engineering Notice
Use the latest manufacturer documentation for schematic, PCB, thermal and production approval. Distributor attributes are useful for sourcing but do not replace the official data sheet.
HCS301T/SN Information
- Specifications
- Tags
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- KEELOQ®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Verified
- Type:
- Code Hopping Encoder
- Applications:
- Remote Secure Access, Keyless Entry
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
- Grade:
- -
- Qualification:
- -
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