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Microchip Technology ATECC108A-SSHDA-T
- Part No.:
- ATECC108A-SSHDA-T
- Manufacturer:
- Microchip Technology
- Category:
- Specialized ICs
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Description:
- IC AUTHENTICATION CHIP 8SOIC
- Quantity:
Unit Price:$0.82
Ext Price:$0.82
- Payment:
- Shipping:
Product Details
ATECC108A-SSHDA-T - ECDSA Hardware Authentication Secure Element
ATECC108A-SSHDA-T from Microchip Technology is a hardware authentication device with protected ECC keys and accelerated ECDSA operations.
Specifications were checked against the manufacturer data sheet and current distributor listing.
Overview
ATECC108A implements NIST P-256 ECDSA, SHA-256 challenge-response, protected key storage and a unique serial number for embedded authentication.
Key Advantages
Keeps private authentication keys in protected hardware.
Accelerates ECDSA signature generation and verification.
Available in an established surface-mount or through-hole ordering format.
Electrical and environmental limits are defined by the official data sheet.
Feature Summary
ECC authentication secure element
I2C serial interface
2.0 V to 5.5 V supply; industrial temperature range
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
| Curve | NIST P-256 |
|---|---|
| Interface | I2C |
| Algorithm | FIPS 186-3 ECDSA |
| RNG | FIPS hardware random number generator |
| Serial number | Unique 72-bit |
| Sleep current | <150 nA |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Hash | SHA-256 |
| Key length | 256 bits |
| Mounting | Surface mount |
| Supply | 2.0 V to 5.5 V |
| Key storage | Protected hardware slots |
Replacement Considerations
ATECC108A-MAHDA-T 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 marks ATECC108A not recommended for new designs and recommends the ATECC608B Trust Platform.
Applications
Verifies that replaceable components are genuine.
Validates signed firmware and system identity.
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?
ECC authentication secure element
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.
ATECC108A-SSHDA-T Information
- Specifications
- Tags
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- CryptoAuthentication™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Authentication Chip
- Applications:
- Networking and Communications
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
- Grade:
- -
- Qualification:
- -
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