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Microchip Technology ATSHA204A-SSHCZ-T
- Part No.:
- ATSHA204A-SSHCZ-T
- Manufacturer:
- Microchip Technology
- Category:
- Specialized ICs
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Description:
- IC AUTHENTICATION CHIP 8SOIC
- Quantity:
Unit Price:$0.38
Ext Price:$0.38
- Payment:
- Shipping:
Product Details
ATSHA204A-SSHCZ-T - SHA-256 Hardware Authentication Device
ATSHA204A-SSHCZ-T from Microchip Technology is a hardware security device providing SHA-256 authentication and protected key storage.
Specifications were checked against the manufacturer data sheet and current distributor listing.
Overview
ATSHA204A combines a SHA-256 engine, secure key storage, a unique serial number and low-power serial communication for embedded authentication.
Key Advantages
Protects up to 16 secret keys in tamper-resistant hardware.
Provides SHA-256 MAC/HMAC, RNG and a unique 72-bit serial number.
Available in an established surface-mount or through-hole ordering format.
Electrical and environmental limits are defined by the official data sheet.
Feature Summary
SHA-256 authentication IC
High-speed single-wire 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
| OTP | 512 bits |
|---|---|
| Key slots | Up to 16 |
| EEPROM | 4.5 Kbit |
| Algorithm | SHA-256 MAC and HMAC |
| Supply | 2.0 V to 5.5 V |
| Sleep current | <150 nA |
| Serial number | Unique 72-bit |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Interface | Single-wire |
| Key length | 256 bits |
| Mounting | Surface mount |
| I/O voltage | 1.8 V to 5.5 V |
Replacement Considerations
ATSHA204A-MAHCZ-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 lists ATSHA204A as in production.
Applications
Authenticates accessories, modules and consumables.
Protects firmware and ecosystem authorization.
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?
SHA-256 authentication IC
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.
ATSHA204A-SSHCZ-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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