AT24C02D-MAHM-T vs AT24CSW020-UUM0B-T 对比
详细并排对比 AT24C02D-MAHM-T 出自 Microchip Technology 和 AT24CSW020-UUM0B-T 出自 Microchip Technology。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。
Microchip Technology
AT24CSW020-UUM0B-T - 2Kb I2C Serial EEPROM with Security | Microchip
AT24CSW020-UUM0B-T ✓ 量产中规格对比
| 参数 | AT24C02D-MAHM-T | AT24CSW020-UUM0B-T |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | EEPROM | Memory ICs |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.21 | $0.31 |
| 存储器类型 | EEPROM - Serial | Non-Volatile EEPROM |
| 存储容量 | 2 Kbit (256 x 8) | 2 Kbit (256 x 8) |
| Memory Organization | 256 x 8 | — |
| 接口 | I2C (2-wire serial) | I2C (2-wire) |
| 最大时钟频率 | 1 MHz | — |
| Access Time | 4.5 us (max) | 450 ns |
| Supply Voltage Range | 1.7 V to 3.6 V | — |
| Operating Current (Read) | 1 mA (max at 400 kHz) | — |
| Standby Current | 1 uA (typical) | — |
| Write Cycle Time (Byte/Page) | 5 ms (max) | — |
| Page Write Buffer Size | 16 bytes | — |
| Write Endurance | 1,000,000 cycles per byte (typical) | — |
| Data Retention | 100 years (typical) | — |
| 工作温度范围 | -40 C to +85 C (Industrial) | — |
| 封装 | 8-UDFN Exposed Pad (2 mm x 3 mm) | 4-WLCSP (4-ball WLCSP) |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 1 (Unlimited) | 1 (per WLCSP handling guidelines) |
| RoHS 状态 | Compliant (NiPdAu lead finish, halogen-free) | Compliant |
| Write Protection Pin | Yes (WP, active-high) | — |
| Address Pins | A0, A1, A2 (allow 8 devices on bus) | — |
| Clock Frequency (Max) | — | 1 MHz |
| 电源电压 | — | 1.7 V to 3.6 V |
| Write Cycle Time | — | 5 ms (typical page write) |
| 工作温度 | — | -40 C to +85 C (Industrial) |
| Unique Serial Number | — | Factory pre-programmed 32-bit (per datasheet) |
| Security Register | — | Yes (user-programmable) |
| Write Protection | — | Hardware WP pin + Software Write Protection (SWP) |
| Power-On Reset (POR) | — | Built-in |