ATECC608A-MAHDA-T ECC Secure Authentication IC | Microchip
部品番号: ATECC608A-MAHDA-T ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $0.7644 | $0.76 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
ATECC608A-MAHDA-T 概要
A CryptoAuthentication IC is a specialized security integrated circuit used to protect cryptographic keys and perform security operations without exporting sensitive material to the host processor. The ATECC608A belongs to the Microchip CryptoAuthentication family and combines protected EEPROM with hardware cryptographic accelerators, helping designers implement secure boot, device authentication, anti-counterfeiting, and ecosystem-control functions.
The verified component information identifies ECC/ECDSA/ECDHE capability, I2C interface support, and protected storage for up to 16 keys, certificates, or data objects. Hardware-supported asymmetric signing, verification, and key agreement can reduce the software burden on the host MCU while preserving cryptographic material inside the secure device. The exact operating limits, memory-map details, security-certification status, and electrical timing values require confirmation in the manufacturer datasheet.
Typical uses include network and IoT endpoint security, secure boot, encrypted message handling, key generation for software downloads, anti-counterfeiting, and secure-element-based product identity. The device is especially suitable when a system needs an I2C-connected hardware security anchor for credentials, device certificates, or firmware authenticity decisions.
In a design, place the UDFN close to the host controller and route I2C signals with appropriate pull-up and decoupling arrangements. Follow the manufacturer reference schematic and package land pattern, confirm clock and signal timing, and protect provisioning credentials during manufacturing. Do not assume that software migration or device replacement preserves secrets without validating the new device's provisioning and migration process.
This page combines verified distributor identity, package, interface, storage, and cryptographic-use information with practical sourcing and migration context. It intentionally distinguishes confirmed facts from parameters that are not present in the supplied verified data.
ドロップイン代替品: ATECC608A-MAHDA-T — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
クイック比較ツール — 並列比較する代替部品を選択:
ATECC608B-MAHDA-T
✅ ドロップイン📋 参考代替品（カタログ未掲載）
ATECC608A-MAHDA-S
✅ ドロップイン📋 参考代替品（カタログ未掲載）
ATECC608A-MAHDA-T 最大定格＆電気的特性
| Product Type | ECC secure authentication IC |
| Security Function | Hardware-based key storage and cryptographic authentication |
| Cryptographic Support | ECC/ECDSA/ECDHE |
| インターフェース | I2C |
| Protected Storage Capacity | Up to 16 keys, certificates, or miscellaneous data objects |
| パッケージ | 8-pad 2 x 3 x 0.6 mm UDFN |
| Package Type | Thermally enhanced plastic Ultra Thin Dual Flat NoLead |
| Package Abbreviation | MA2 |
| Packaging | Tape and reel |
| Reel Quantity | 15,000 per reel |
| 実装タイプ | Surface mount |
| Supported Key Operations | Asymmetric sign, verify, and key agreement |
| Secure Data Uses | Keys, certificates, read/write data, read-only data, secret data, and security configurations |
| Application Domains | Network/IoT node endpoint security, secure boot, small message encryption, and anti-counterfeiting |
ATECC608A-MAHDA-T ma2 ピン配置ガイド
ATECC608A-MAHDA-T (ma2 パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: ATECC608A-MAHDA-T.
詳細は データシート をご参照ください。
主な用途
ATECC608A-MAHDA-T の用途: 7 件s: Secure Boot, IoT Node Endpoint Security, Device Authentication and Anti-Counterfeiting, Secure Software Download, Small Message Encryption, Ecosystem Control, Product Identity and Consumption Logging.
Secure Boot
The ATECC608A-MAHDA-T fits secure-boot designs that need cryptographic verification of firmware before execution. Its verified ECC/ECDSA/ECDHE support and hardware-based key storage allow signing credentials and device certificates to remain protected inside the secure element rather than being exposed as ordinary host-memory variables. In a typical implementation, the boot ROM or trusted application sends a verification request over I2C and accepts the result only when the firmware signature and configured security conditions are valid. The device does not define the complete boot policy; image format, root keys, rollback protection, and recovery behavior must be defined by the system architect.
おすすめ
IoT Node Endpoint Security
The ATECC608A-MAHDA-T is suitable as a hardware security anchor for IoT nodes that authenticate devices, protect credentials, or verify messages. Microchip explicitly identifies network and IoT node endpoint security as an application for the ATECC608A family. The device can hold up to 16 keys, certificates, or other data objects and performs supported cryptographic operations through its secure hardware. A typical sensor gateway can use the host MCU to assemble a message, request signing or verification from the ATECC608A, and transmit only the resulting authentication data while keeping sensitive material inside the chip.
おすすめ
Device Authentication and Anti-Counterfeiting
The ATECC608A-MAHDA-T can serve as a device-identity anchor in products that must distinguish genuine assemblies from unauthorized or cloned hardware. Its protected key storage supports certificates and secret data, while ECC/ECDSA/ECDHE operations support asymmetric verification and key agreement. In an anti-counterfeiting workflow, a reader or controller challenges the product, the secure element performs the approved operation, and the external system checks the response against a trusted certificate or public credential. The exact challenge-response protocol and provisioning process must be designed around the manufacturer's command set and security guidelines.
おすすめ
Secure Software Download
The ATECC608A-MAHDA-T supports secure software-download workflows by keeping signing credentials in protected hardware while the host controller validates signed update packages. The verified application list from Microchip includes key generation for software downloads as a target use case. In a typical implementation, a bootloader receives an image and its signature, passes the relevant data to the secure element over I2C, and updates firmware only after successful verification. The design should also define image versioning, anti-rollback policy, interrupted-update recovery, and manufacturing provisioning so that a successful cryptographic operation alone does not create an incomplete security model.
おすすめ
Small Message Encryption
The ATECC608A-MAHDA-T can support small-message encryption and authentication workflows in embedded systems that need cryptographic operations close to the hardware root of trust. Microchip identifies small message encryption as an ATECC608A application. The secure element can perform supported cryptographic functions while the host controller manages message framing, transport, counters, and session policy. This separation can reduce exposure of private key material, but it does not eliminate the need for secure firmware, authenticated boot, correct clock and counter handling, and protection against replay attacks. Confirm the exact algorithm and command support required by the design in the manufacturer documentation.
おすすめ
Ecosystem Control
The ATECC608A-MAHDA-T is appropriate for ecosystem-control systems that need a hardware-backed device credential to authorize access to accessories, services, or software. The protected EEPROM can store certificates and security configuration, while asymmetric operations support controlled authentication and key agreement. In a connected product, a host MCU can use the secure element during manufacturing to bind the device to an authorized ecosystem and later use it during service enrollment or accessory pairing. Because the verified data does not specify the exact ecosystem protocol, implementers should align the credential lifecycle and provisioning process with Microchip's application guidance and the complete product security architecture.
おすすめ
Product Identity and Consumption Logging
The ATECC608A-MAHDA-T can support product-identity and usage-logging designs when the system needs protected records or counters tied to a hardware identity. The manufacturer identifies miscellaneous read/write data, read-only data, secret data, consumption logging, and security configuration among the EEPROM uses. A meter, connected accessory, or industrial controller can reserve approved data objects for identity and event records while keeping private credentials separate from ordinary application data. Designers must define object lifetimes, update permissions, wear considerations, and provisioning controls; the supplied verified snippets do not provide enough detail to claim specific endurance or object-size figures.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: ATECC608A-MAHDA-T — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | ATECC608B-MAHDA-T | ATECC608A-MAHDA-S |
|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 8-pad 2 x 3 x 0.6 mm UDFN (MA2) | Same package and pinout | Same electrical device and package |
| Interface | I2C | I2C | I2C |
| AES-GCM | Not specified in verified target data | Source states ATECC608B lacks AES-GCM | Not specified in verified alternative data |
| Packaging | Tape and reel, 15,000 per reel | Tape and reel | Small tape and reel, 3,000 pieces |
| Primary Applications | Network/IoT endpoint security, secure boot, software download, encryption, ecosystem control, and anti-counterfeiting | Functional migration candidate; complete feature list not supplied | Same electrical-device family and packaging variant |
主な差別化要因
- Established ATECC608A hardware security platform （vs ATECC608B-MAHDA-T)
- Production reel configuration （vs ATECC608A-MAHDA-S)
- Same-package migration path （vs ATECC608B-MAHDA-T)
設計ノート
Use the Microchip MA2 UDFN land pattern and pin definition as the authoritative PCB geometry. Place the secure element close to the host controller's I2C routing and keep the exposed-pad and thermal-via treatment consistent with the manufacturer package drawing. Route I2C away from noisy switching-node and high-current traces, and provide the pull-up network required by the final bus voltage and capacitance. Validate the layout against the exact datasheet revision used for production release.
Decouple the secure element according to the manufacturer reference circuit and keep supply wiring short. The supplied verified data confirms I2C operation and the 2 x 3 x 0.6 mm UDFN package but does not provide the operating-voltage range or recommended capacitor values, so those values must not be guessed. Confirm supply sequencing, startup behavior, I2C pull-up voltage, and maximum bus capacitance from the datasheet before releasing the schematic.
Treat provisioning as a security-critical manufacturing step. Define which certificates, keys, counters, and configuration objects are written during production, protect the provisioning credentials, and prevent test or debug paths from exposing them. A replacement based on the verified ATECC608B-MAHDA-T candidate must also be checked for command compatibility and key migration; a same-package device is not automatically a security-equivalent replacement.
Do not confuse reel-size suffixes with device changes. The verified data indicates ATECC608A-MAHDA-S is the small 3,000-piece reel and ATECC608A-MAHDA-T is the 15,000-piece reel, while ATECC608B-MAHDA-T is a different device revision with a documented feature difference. Confirm the exact MPN, package, firmware compatibility, and cryptographic requirements before substituting parts.
コンプライアンス情報
The supplied verified data does not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. The device is a security IC rather than an automotive-qualified part, and no automotive qualification claim is made.
