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Microchip Technology HCS301T-I/SN
- Part No.:
- HCS301T-I/SN
- Manufacturer:
- Microchip Technology
- Category:
- Specialized ICs
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Description:
- IC CODE HOPPING ENCODER 8SOIC
- Quantity:
Unit Price:$1.43
Ext Price:$1.43
- Payment:
- Shipping:
Product Details
HCS301T-I/SN - KEELOQ Code-Hopping Encoder
HCS301T-I/SN from Microchip Technology is an industrial-temperature KEELOQ code-hopping encoder for secure one-way remote-control transmitters, supplied on tape and reel.
Specifications were checked against the manufacturer data sheet and current distributor listing.
Overview
HCS301 combines a nonlinear hopping-code generator, EEPROM, oscillator, four button inputs, LED driver and PWM output in one 8-pin device.
Key Advantages
Makes every 66-bit transmission unique to resist code capture and replay.
Integrates timing, EEPROM, button pull-downs and current-limited LED drive.
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 encoder
Four button inputs and PWM serial output
3.5 V to 13.0 V; -40 C to +85 C
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
| Technology | KEELOQ code hopping |
|---|---|
| Transmission length | 66 bits |
| Hopping code | 32 bits |
| Fixed code | 34 bits |
| Encryption key | 64 bits |
| Serial number | 28 bits |
| Button inputs | 4 |
| Functions | 15 |
| Supply | 3.5 V to 13.0 V |
| Temperature range | -40 C to +85 C |
| Memory | On-chip EEPROM |
| Output | PWM |
| Package | 8-lead SOIC |
| Ordering medium | Tape and reel |
Replacement Considerations
HCS301-I/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
Microchip identifies HCS301T-I/SN as the industrial-temperature 8-lead SOIC tape-and-reel order code. The linked HCS301-I/SN uses tube packaging; confirm assembly media.
Applications
Encodes secure commands for automotive and building-access transmitters.
Provides rolling-code commands for one-way remote controls.
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 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?
No. The registered package JPG is currently missing.
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-I/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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