ATECC608B-SSHDA-B vs ATECC608B-SSHDA-T Comparison
Detailed side-by-side comparison of ATECC608B-SSHDA-B by Microchip Technology and ATECC608B-SSHDA-T 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-B - CryptoAuthentication IC, I2C, 8-SOIC | Microchip
ATECC608B-SSHDA-B ✓ ActiveMicrochip Technology
ATECC608B-SSHDA-T - CryptoAuthentication IC, SOIC-8 | Microchip
ATECC608B-SSHDA-T NrndSpecification Comparison
| Parameter | ATECC608B-SSHDA-B | ATECC608B-SSHDA-T |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | NRND |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.69 | $0.57 |
| 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 | — |
| Active Current | [DATA_NEEDED: active supply current] | 3 mA typical during ECDSA operation |
| Standby Current | <150 nA typical (sleep mode) | — |
| Operating Temperature | -40 °C to +85 °C (industrial) | -40°C to +85°C (industrial) |
| Random Number Generator | Hardware TRNG, NIST SP800-22 compliant | — |
| Tamper Detection | Voltage monitor, glitch detector, secure lock | Voltage glitch and temperature tamper |
| Package | 8-pin SOIC (3.90 mm body, SOIC-N) | 8-pin SOIC (SSHDA), Tape & Reel |
| Mounting Type | Surface Mount | — |
| MSL Level | [DATA_NEEDED: MSL rating] | — |
| RoHS Status | Compliant | Compliant |
| Lead-Free | Yes | — |
| Standards Compliance | FIPS186-3 ECDSA, NIST SP800-56A ECDH, AES-128 FIPS-197 | — |
| 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 |
| Deep Sleep Current | — | <150 nA |
| ECDH/ECDSA Sign Time | — | ~13 ms typical |
| GPIO | — | 1 (general-purpose / interrupt) |
| Lifecycle Status | — | Not Recommended for new designs (per Microchip product page) |