ATECC608B-SSHDA-T vs ATECC608B-SSHDA-B Comparison
Detailed side-by-side comparison of ATECC608B-SSHDA-T by Microchip Technology and ATECC608B-SSHDA-B by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATECC608B-SSHDA-T - CryptoAuthentication IC, SOIC-8 | Microchip
ATECC608B-SSHDA-T NrndMicrochip Technology
ATECC608B-SSHDA-B - CryptoAuthentication IC, I2C, 8-SOIC | Microchip
ATECC608B-SSHDA-B ✓ ActiveSpecification Comparison
| Parameter | ATECC608B-SSHDA-T | ATECC608B-SSHDA-B |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | NRND | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.57 | $0.69 |
| Product Type | CryptoAuthentication IC / Hardware Security Module | — |
| Family | CryptoAuthentication (ATECC608B) | — |
| Cryptographic Algorithms | ECC-P256 (ECDH, ECDSA), SHA-256, HMAC, AES-128-GCM | — |
| Key Storage | 10Kb secure EEPROM (hardware-isolated) | — |
| Hardware RNG | NIST SP 800-22 compliant | — |
| Interface | I²C, up to 1 Mbps | — |
| I²C Address | Configurable (default 0x60) | — |
| Supply Voltage | 2.0V to 5.5V | — |
| Active Current | 3 mA typical during ECDSA operation | [DATA_NEEDED: active supply current] |
| Deep Sleep Current | <150 nA | — |
| Package | 8-pin SOIC (SSHDA), Tape & Reel | 8-pin SOIC (3.90 mm body, SOIC-N) |
| Operating Temperature | -40°C to +85°C (industrial) | -40 °C to +85 °C (industrial) |
| ECDH/ECDSA Sign Time | ~13 ms typical | — |
| Tamper Detection | Voltage glitch and temperature tamper | Voltage monitor, glitch detector, secure lock |
| GPIO | 1 (general-purpose / interrupt) | — |
| RoHS Status | Compliant | Compliant |
| Lifecycle Status | Not Recommended for new designs (per Microchip product page) | — |
| Device Type | — | Cryptographic Co-Processor / Secure Element |
| Series | — | CryptoAuthentication (ATECC608B) |
| Supported Algorithms | — | ECC-P256 (ECDSA, ECDH), SHA-256, AES-128-GCM/ECB, HMAC-SHA256 |
| Key Storage Slots | — | Up to 16 keys/certificates/data |
| Communication Interface | — | I2C (up to 1 Mb/s), GPIO |
| Default I2C Address | — | 0x60 (7-bit) |
| Operating Voltage | — | 2.0 V to 5.5 V |
| Standby Current | — | <150 nA typical (sleep mode) |
| Random Number Generator | — | Hardware TRNG, NIST SP800-22 compliant |
| Mounting Type | — | Surface Mount |
| MSL Level | — | [DATA_NEEDED: MSL rating] |
| Lead-Free | — | Yes |
| Standards Compliance | — | FIPS186-3 ECDSA, NIST SP800-56A ECDH, AES-128 FIPS-197 |