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Microchip Technology ATECC508A-SSHCZ-B
- Part No.:
- ATECC508A-SSHCZ-B
- Manufacturer:
- Microchip Technology
- Category:
- Specialized ICs
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Description:
- IC AUTHENTICATION CHIP 8SOIC
- Quantity:
Unit Price:$0.79
Ext Price:$0.79
- Payment:
- Shipping:
Product Details
ATECC508A-SSHCZ-B - ECC CryptoAuthentication Secure Element
ATECC508A-SSHCZ-B from Microchip Technology is a hardware cryptographic coprocessor with protected key storage, ECDSA, ECDH, SHA-256 and a single-wire host interface.
Specifications were checked against the manufacturer data sheet and current distributor listing.
Overview
ATECC508A protects private keys in dedicated hardware and performs elliptic-curve, SHA-256 and random-number operations for embedded identity and secure communication.
Key Advantages
Private keys remain inside the secure element during signing and key agreement.
Hardware cryptography and protected slots simplify device identity and mutual authentication.
Available in an established surface-mount or through-hole ordering format.
Electrical and environmental limits are defined by the official data sheet.
Feature Summary
Hardware-rooted authentication, key agreement and secure key storage
Single-Wire Interface for the CZ order code
2.0 V to 5.5 V; -40 C to +85 C; single-wire interface
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
| Elliptic curve | NIST P-256 ECDSA and ECDH |
|---|---|
| Hash | SHA-256 accelerator |
| Key storage | Protected hardware slots |
| Random source | Hardware random-number generator |
| Interface | Single-Wire Interface |
| Supply range | 2.0 V to 5.5 V |
| Temperature | -40 C to +85 C |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Provisioning | Configuration and data zones with lock controls |
Replacement Considerations
ATECC608B-SSHCZ-B 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
The exact order code, interface suffix and package were checked against manufacturer information.
Applications
Stores device keys and performs challenge-response authentication for connected nodes.
Supports signature verification and protected secrets for trusted firmware workflows.
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?
Hardware-rooted authentication, key agreement and secure key storage
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.
ATECC508A-SSHCZ-B Information
- Specifications
- Tags
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- CryptoAuthentication™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- 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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Inventory:983
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In Stock:983
| Qty. | Unit Price | Ext. Price |
| 1+ | $0.79 | $0.79 |
| 25+ | $0.66 | $16.50 |
| 100+ | $0.64 | $64.00 |
