DS28EC20+ vs DS28EC20P+ 对比
详细并排对比 DS28EC20+ 出自 Analog Devices 和 DS28EC20P+ 出自 未知。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
规格对比
| 参数 | DS28EC20+ | DS28EC20P+ |
|---|---|---|
| 品牌 | Analog Devices | — |
| 分类 | EEPROM | EEPROM |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $2.05 | $1.34 |
| 存储器类型 | Non-Volatile EEPROM (1-Wire) | EEPROM, 1-Wire serial |
| 存储容量 | 20 Kbit (20480 bit) | 20 Kbit (20480 bit) |
| Memory Organization | 80 pages × 256 bits + 1 control page | 80 pages of 256 bits + 1 control page |
| 接口 | 1-Wire (single-contact serial) | 1-Wire (single contact data + ground) |
| 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 | 200,000 write cycles per page (typical) |
| Data Retention | >40 years | Greater than 40 years |
| Scratchpad Size | 32 bytes | 32 bytes |
| Programming Time (tPROG) | 10 ms (max) | — |
| 工作温度 | -40 °C to +85 °C | — |
| 封装 | TO-92-3 (through-hole) | 6-pin TSOC (3.76 mm body width) |
| 安装类型 | Through Hole | Surface Mount |
| RoHS 状态 | Compliant | Compliant (per Maxim/ADI product page) |
| Lead-Free Status | Yes | — |
| Unique 64-bit ROM ID | Yes (factory-lasered) | — |
| Backward Compatibility | DS2433 (4 Kbit 1-Wire EEPROM) | — |
| Standard 1-Wire Speed | — | Up to 15.4 kbps (standard mode) |
| Overdrive Speed | — | Up to 125 kbps (overdrive mode) |
| Unique ROM ID | — | 64-bit factory-lasered |
| 工作温度范围 | — | -40 C to +85 C [DATA_NEEDED: exact value from datasheet] |
| Supply | — | Parasitic from 1-Wire line + reservoir capacitor |
| ESD Protection | — | JEDEC HBM on IO pin (per datasheet) |