AT24C02D-MAHM-T vs AT24C02D-SSHM-T 对比
详细并排对比 AT24C02D-MAHM-T 出自 Microchip Technology 和 AT24C02D-SSHM-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
AT24C02D-SSHM-T - 2Kb I2C EEPROM, 1MHz, 1.7V-5.5V, 8-SOIC | Microchip
AT24C02D-SSHM-T ✓ 量产中规格对比
| 参数 | AT24C02D-MAHM-T | AT24C02D-SSHM-T |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 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） | $0.21 | $0.17 |
| 存储器类型 | EEPROM - Serial | Non-volatile EEPROM (Serial) |
| 存储容量 | 2 Kbit (256 x 8) | 2 Kbit |
| Memory Organization | 256 x 8 | 256 x 8 bits |
| 接口 | I2C (2-wire serial) | I2C (2-Wire Serial) |
| 最大时钟频率 | 1 MHz | 1 MHz (Fast-mode Plus) |
| 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) | >200 years |
| 工作温度范围 | -40 C to +85 C (Industrial) | -40 C to +85 C |
| 封装 | 8-UDFN Exposed Pad (2 mm x 3 mm) | — |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 1 (Unlimited) | 1 (unlimited floor life at <30 C / 85% RH) |
| RoHS 状态 | Compliant (NiPdAu lead finish, halogen-free) | Compliant (Pb/HALO-free, NiPdAu lead finish) |
| Write Protection Pin | Yes (WP, active-high) | — |
| Address Pins | A0, A1, A2 (allow 8 devices on bus) | — |
| Supply Voltage (VCC) | — | 1.7 V to 5.5 V |
| 封装 / 外壳 | — | 8-SOIC (0.154" / 3.90 mm) |
| Write Cycle Time (max) | — | 5 ms (typical) |
| Endurance (Write/Erase Cycles) | — | 1,000,000 cycles |
| Device Address Pins | — | A0, A1, A2 (hardware-selectable, up to 8 devices per bus) |
| Write Protect Pin | — | Yes (WP, active-high) |
| Input Type (SCL/SDA) | — | Schmitt-trigger |