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Analog Devices Inc./Maxim Integrated DS2476Q+T
- Part No.:
- DS2476Q+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Specialized ICs
- Package:
- 6-WDFN Exposed Pad
- Description:
- IC SECURE COPROCESSOR 6TDFN
- Quantity:
Unit Price:$3.04
Ext Price:$3.04
- Payment:
- Shipping:
Product Details
DS2476Q+T - I2C ECC and SHA-256 Secure Coprocessor
DS2476Q+T from Analog Devices / Maxim Integrated is a DeepCover ECC-P256 and SHA-256 coprocessor with 8-Kbit secure EEPROM in a 6-pin TDFN exposed-pad tape-and-reel package.
Specifications were checked against the manufacturer data sheet and current distributor listing.
Overview
DS2476 is an I2C host-side companion for DS28C36 authenticators, combining ECDSA-P256, authenticated ECDH, SHA-256/HMAC, protected key storage, a true random source, counter and two GPIO pins.
Key Advantages
Performs host-side signatures, verification, key exchange and HMAC without exposing stored secrets to the MCU.
Combines 8-Kbit secured EEPROM, two authenticated GPIO pins and a decrement-only counter.
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-P256 and SHA-256 secure coprocessor
I2C at 100 kHz and 400 kHz
3.3 V +/-10%; -40 C to +85 C
6-WDFN Exposed Pad
Package & Footprint
This ordering code uses the 6-WDFN Exposed Pad package.
Pin Functions
Confirm exact numbering and the latest land pattern before PCB release.
Key Specifications
| Asymmetric crypto | ECDSA-P256 signature and verification |
|---|---|
| Key exchange | Authenticated ECDH-P256 |
| Hash | SHA-256 HMAC |
| Random source | NIST SP 800-90B compliant entropy source |
| Secure EEPROM | 8 Kbit |
| Counter | 17-bit decrement-only nonvolatile counter |
| ROM ID | Unique factory-programmed 64-bit identifier |
| GPIO | Two pins with optional authenticated control |
| Interface | I2C at 100 kHz and 400 kHz |
| Supply | 3.3 V +/-10% |
| Temperature | -40 C to +85 C |
| Package | 6-pin TDFN-EP |
| Ordering medium | Tape and reel |
Replacement Considerations
DS2476Q+U 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 linked +U order code uses the same TDFN device with different shipping media. Confirm production handling and provisioning.
Applications
Protects host keys and performs cryptographic operations for DS28C36 systems.
Verifies firmware metadata and protects controller trust anchors.
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-P256 and SHA-256 secure coprocessor
What package is used?
6-WDFN 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.
DS2476Q+T Information
- Specifications
- Tags
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- DeepCover®
- Package/Case:
- 6-WDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- -
- Applications:
- Networking and Communications
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-TDFN (3x3)
- Grade:
- -
- Qualification:
- -
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Inventory:1,565
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In Stock:1,565
| Qty. | Unit Price | Ext. Price |
| 1+ | $3.04 | $3.04 |
| 100+ | $1.91 | $191.00 |
| 1000+ | $1.71 | $1710.00 |
| 10000+ | $1.66 | $16600.00 |
