DS28EC20+ vs DS2431G+U Comparaison
Comparaison détaillée côte à côte de DS28EC20+ par Analog Devices et DS2431G+U par Analog Devices. Comparez les spécifications clés, les paramètres électriques, le conditionnement, le statut de cycle de vie, les prix et la disponibilité pour déterminer le meilleur composant pour vos exigences de conception.
Comparaison des spécifications
| Paramètre | DS28EC20+ | DS2431G+U |
|---|---|---|
| Marque | Analog Devices | Analog Devices |
| Catégorie | EEPROM | Memory ICs |
| Statut du cycle de vie | Actif | Actif |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $2,05 | $1,45 |
| Type de mémoire | Non-Volatile EEPROM (1-Wire) | EEPROM (Non-Volatile) |
| Taille de mémoire | 20 Kbit (20480 bit) | 1 Kbit (1024 bits) |
| Memory Organization | 80 pages × 256 bits + 1 control page | 4 pages x 256 bits (32 bytes) |
| Interface | 1-Wire (single-contact serial) | 1-Wire® (single-contact DQ + GND) |
| Standard Speed (max) | 15.4 kbps | — |
| Overdrive Speed (max) | 90 kbps | — |
| Operating VPUP Range | 2.8 V to 5.25 V (overdrive requires 4 V to 5.25 V) | — |
| Write Endurance | 200k cycles per page | [DATA_NEEDED: end-cycle write cycles] |
| Data Retention | >40 years | [DATA_NEEDED: years] |
| Scratchpad Size | 32 bytes | 8 bytes (64 bits) |
| Programming Time (tPROG) | 10 ms (max) | — |
| Température de fonctionnement | -40 °C to +85 °C | -40 °C to +85 °C |
| Boîtier | TO-92-3 (through-hole) | 2-SFN (6.0 mm x 6.0 mm leadless) |
| Type de montage | Through Hole | Surface Mount |
| Statut RoHS | Compliant | Compliant |
| Lead-Free Status | Yes | — |
| Unique 64-bit ROM ID | Yes (factory-lasered) | — |
| Backward Compatibility | DS2433 (4 Kbit 1-Wire EEPROM) | — |
| Write Cycle Time | — | 2 µs (scratchpad write) |
| Unique ROM ID | — | 64-bit (8-byte family code + 6-byte serial + CRC) |
| Write Protection | — | Per-page, selectable; EPROM-emulation mode (1→0 only) |
| Storage Temperature | — | -55 °C to +125 °C (per datasheet Absolute Maximum Ratings) |
| Supply (Parasite Power via DQ) | — | 2.8 V to 5.25 V (pull-up VPU) |
| ESD Protection | — | [DATA_NEEDED: HBM/CDM rating] |
| Lead-Free / Halogen-Free | — | Yes / Yes |