 | DS1556P-70+ | 41 | Maxim Integrated Products | 19+ | 34-PowerCap? 模块 | ￥26.4300 | IC RTC RAM Y2K 5V 70NS 34-PCM | 购买 |
| DS1556WP-120+ | 35 | Maxim Integrated Products | 19+ | 34-PowerCap? 模块 | ￥26.4300 | IC RTC RAM Y2K 3.3V 120NS 34PCM | 购买 |
| DS1553WP-150+ | 97 | Maxim Integrated Products | 19+ | 34-PowerCap? 模块 | ￥27.7000 | IC RTC RAM Y2K 3.3V 150NS 34PCM | 购买 |
| DS1553P-100+ | 45 | Maxim Integrated Products | 19+ | 34-PowerCap? 模块 | ￥27.7000 | IC RTC RAM Y2K 5V 100NS 34-PCM | 购买 |
| DS1742-100IND+ | 48 | Maxim Integrated Products | 19+ | 24-DIP 模块（0.600"，15.24mm） | ￥30.0100 | IC RTC RAM Y2K 5V 100NS 24-EDIP | 购买 |
| DS1248YP-70+ | 31 | Maxim Integrated Products | 19+ | 34-PowerCap? 模块 | ￥30.1000 | IC NVSRAM 1MBIT 70NS 34PCM | 购买 |
| DS1251Y-70+ | 67 | Maxim Integrated Products | 19+ | 32-DIP 模块（0.600"，15.24mm） | ￥31.7100 | IC NVSRAM 4MBIT 70NS 32DIP | 购买 |
| DS17887-3IND+ | 11 | Maxim Integrated Products | 19+ | 24-DIP 模块（0.600"，15.24mm） | ￥34.0600 | IC MOD REAL TIME CLOCK 3V/5V | 购买 |
| DS1744P-70+ | 130 | Maxim Integrated Products | 19+ | 34-PowerCap? 模块 | ￥51.4100 | IC RTC RAM Y2K 5V 70NS 34-PCM | 购买 |
| DS1557WP-120IND+ | 24 | Maxim Integrated Products | 19+ | 34-PowerCap? 模块 | ￥38.3600 | IC RTC RAM Y2K 3.3V 120NS 34PCM | 购买 |
| DS1746WP-120+ | 185 | Maxim Integrated Products | 19+ | 34-PowerCap? 模块 | ￥39.4400 | IC RTC RAM Y2K 3.3V 120NS 34-PCM | 购买 |
| DS1746P-70+ | 28 | Maxim Integrated Products | 19+ | 34-PowerCap? 模块 | ￥39.4400 | IC RTC RAM Y2K 5V 70NS 34-PCM | 购买 |
| DS1746-70IND+ | 55 | Maxim Integrated Products | 19+ | 32-DIP 模块（0.600"，15.24mm） | ￥51.0400 | IC RTC RAM Y2K 5V 70NS 32-EDIP | 购买 |
| DS1747WP-120+ | 57 | Maxim Integrated Products | 19+ | 34-PowerCap? 模块 | ￥56.0000 | IC RTC RAM Y2K 3.3V 120NS 34-PCM | 购买 |
| DS1747P-70+ | 80 | Maxim Integrated Products | 19+ | 34-PowerCap? 模块 | ￥56.0000 | IC RTC RAM Y2K 5V 70NS 34-PCM | 购买 |
| DS1747W-120+ | 15 | Maxim Integrated Products | 19+ | 32-DIP 模块（0.600"，15.24mm） | ￥57.8800 | IC RTC RAM Y2K 3.3V 120NS 32EDIP | 购买 |
| BQ4802YDW | 25 | Texas Instruments | 19+ | 28-SOIC（0.295"，7.50mm 宽） | ￥8.4400 | IC RTC W/CPU SUPERVISOR 28-SOIC | 购买 |
| M41T82RM6F | 12500 | STMicroelectronics | 19+ | 8-SOIC（0.154"，3.90mm 宽） | ￥1.3313 | IC RTC SERIAL W/BATT SW 8-SOIC | 购买 |
| ISL12057IBZ | 939 | Intersil | 19+ | 8-SOIC（0.154"，3.90mm 宽） | ￥2.5700 | IC RTC/CALENDAR I2C 8-SOIC | 购买 |
| ISL12058IBZ | 980 | Intersil | 19+ | 8-SOIC（0.154"，3.90mm 宽） | ￥2.5700 | IC RTC/CALENDAR I2C-BUS 8-SOIC | 购买 |
