| 型号 | 厂家 | 描述 | 大小 | 页数 | 厂家标志 |
|---|---|---|---|---|---|
| DS1672S-3 | MAXIM | I2C 32-Bit Binary Counter RTC | 514 KB | 15 |  |
| DS17285S-3 | MAXIM | Real-Time Clocks | 319 KB | 30 | |
| DS1501Y | MAXIM | Real-Time Clock | 291 KB | 0 | |
| DS1671S | MAXIM | Real-Time Clock | 291 KB | 0 | |
| DS1250ABP-100 | MAXIM | NVRAM (Battery Based) | 189 KB | 0 | |
| DS1818R-5/TR | MAXIM | NVRAM (Battery Based) | 189 KB | 0 | |
| DS1815R-10/TR | MAXIM | NVRAM (Battery Based) | 189 KB | 0 | |
| DS1307+ | MAXIM | 64 x 8, Serial, I2C Real-Time Clock | 287 KB | 14 | |
| DS1742-70 | Dallas Semiconducotr | Y2KC Nonvolatile Timekeeping RAM | 163 KB | 12 |  |
| DS1020S | Dallas Semiconducotr | Y2KC Nonvolatile Timekeeping RAM | 163 KB | 12 | |
| DS1232LPS-2/TR | Dallas Semiconducotr | Y2KC Nonvolatile Timekeeping RAM | 163 KB | 12 | |
| DS1233Z-15/TR | Dallas Semiconducotr | Y2KC Nonvolatile Timekeeping RAM | 163 KB | 12 | |
| DS1000Z-45 | Dallas Semiconducotr | Y2KC Nonvolatile Timekeeping RAM | 163 KB | 12 | |
| DS1248WP-120 | Dallas Semiconducotr | Y2KC Nonvolatile Timekeeping RAM | 163 KB | 12 | |
| DS12CR887-33 | MAXIM | RTC with Constant-Voltage Trickle Charger | 1093 KB | 22 | |
| DS1486P-120 | Dallas Semiconducotr | RAMified Watchdog Timekeeper | 251 KB | 17 | |
