DS28EC20+ vs DS28EC20+T 比較
詳細並排比較 DS28EC20+ 由 Analog Devices 與 DS28EC20+T 由 Analog Devices. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況，以找出最符合您設計需求的元件。
規格比較
| 參數 | DS28EC20+ | DS28EC20+T |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 類別 | EEPROM | Memory ICs |
| 生命週期狀態 | 啟用中 | 啟用中 |
| 記憶體類型 | Non-Volatile EEPROM (1-Wire) | EEPROM (Non-Volatile) |
| 記憶體容量 | 20 Kbit (20480 bit) | 20 Kbit (20480 bit) |
| Memory Organization | 80 pages × 256 bits + 1 control page | 80 pages x 256 bits (plus 1 control page) |
| 介面 | 1-Wire (single-contact serial) | 1-Wire (single-conductor, parasite-power capable) |
| 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 Retention | >40 years | — |
| Scratchpad Size | 32 bytes | 32 bytes (256 bits) |
| Programming Time (tPROG) | 10 ms (max) | — |
| 工作溫度 | -40 °C to +85 °C | -40C to +85C |
| 封裝 | TO-92-3 (through-hole) | TO-92-3 (through-hole) |
| 安裝類型 | Through Hole | Through Hole |
| RoHS 狀態 | Compliant | Compliant |
| Lead-Free Status | Yes | — |
| Unique 64-bit ROM ID | Yes (factory-lasered) | — |
| Backward Compatibility | DS2433 (4 Kbit 1-Wire EEPROM) | — |
| Bus Protocol | — | Standard Dallas 1-Wire |
| Unique ID | — | 64-bit factory-lasered ROM registration number |
| Error Detection | — | CRC16 on ROM and scratchpad reads |
| Write Granularity | — | 256-bit page |
| 供應電壓 | — | Parasite power from 1-Wire data line (2.8V-5.25V host pull-up) |
| Lead Finish | — | Matte Tin (Pb-free) |