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Microchip Technology ATECC508A-MAHDA-S
- Part No.:
- ATECC508A-MAHDA-S
- Manufacturer:
- Microchip Technology
- Category:
- Specialized ICs
- Package:
- 8-UFDFN Exposed Pad
- Description:
- IC AUTHENTICATION CHIP 8UDFN
- Quantity:
Unit Price:$0.78
Ext Price:$0.78
- Payment:
- Shipping:
Product Details
ATECC508A-MAHDA-S - ECC Secure Element with I2C Interface
ATECC508A-MAHDA-S from Microchip Technology is a cryptographic secure element with ECC P-256 acceleration and protected hardware key storage.
Specifications were checked against the manufacturer data sheet and current distributor listing.
Overview
ATECC508A provides hardware ECDSA/ECDH operations, SHA-256, protected EEPROM key slots, counters and a unique serial number for embedded trust.
Key Advantages
Keeps private keys inside protected hardware.
Offloads P-256 authentication and key agreement from the host MCU.
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 secure element
I2C
2.0 V to 5.5 V supply; industrial temperature range
8-UFDFN Exposed Pad
Package & Footprint
This ordering code uses the 8-UFDFN Exposed Pad package.
Pin Functions
Confirm exact numbering and the latest land pattern before PCB release.
Key Specifications
| Hash | SHA-256 with HMAC |
|---|---|
| Algorithms | ECDSA, ECDH, SHA-256, HMAC |
| Serial number | Unique 72-bit |
| Supply | 2.0 V to 5.5 V |
| Sleep current | <150 nA |
| Package | 8-UFDFN Exposed Pad |
| RNG | Hardware random-number generator |
| Curve | NIST P-256 |
| Mounting | Surface mount |
| I/O levels | 1.8 V to 5.5 V |
| Key slots | Up to 16 |
| Counters | Two monotonic counters |
Replacement Considerations
ATECC508A-MAHCZ-S 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 this generation not recommended for new designs and recommends the current ATECC608B/Trust Platform family.
Applications
Authenticates devices and establishes session keys.
Verifies signed firmware and protected downloads.
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 secure element
What package is used?
8-UFDFN Exposed Pad
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.
ATECC508A-MAHDA-S Information
- Specifications
- Tags
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- CryptoAuthentication™
- Package/Case:
- 8-UFDFN Exposed Pad
- 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-UDFN (2x3)
- Grade:
- -
- Qualification:
- -
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