 | DS1315N-5+ | 17 | Maxim Integrated Products | 19+ | 16-DIP（0.300"，7.62mm） | ￥20.2600 | IC T-CHIP PHANTOM 5V 16-DIP | 购买 |
| DS1315E-33+ | 216 | Maxim Integrated Products | 19+ | 20-TSSOP（0.173"，4.40mm 宽） | ￥20.4600 | IC T-CHIP PHANTOM 3.3V 20-TSSOP | 购买 |
| DS1553WP-120+ | 40 | Maxim Integrated Products | 19+ | 34-PowerCap? 模块 | ￥34.3100 | IC RTC RAM Y2K 3.3V 120NS 34PCM | 购买 |
| DS1511W+ | 1128 | Maxim Integrated Products | 19+ | 28-DIP 模块（0.600"，15.24mm） | ￥22.4300 | IC RTC WDOG Y2K 3.3V 28-EDIP | 购买 |
| DS1244Y-70+ | 1058 | Maxim Integrated Products | 19+ | 28-DIP 模块（0.600"，15.24mm） | ￥23.0800 | IC NVSRAM 256KBIT 70NS 28DIP | 购买 |
| DS1315SN-33+ | 687 | Maxim Integrated Products | 19+ | 16-SOIC（0.295"，7.50mm 宽） | ￥23.1700 | IC T-CHIP PHANTOM 3.3V 16-SOIC | 购买 |
| DS1643P-100+ | 79 | Maxim Integrated Products | 19+ | 34-PowerCap? 模块 | ￥23.9400 | IC RAM TIMEKEEP NV 100NS 34-PCM | 购买 |
| DS1743P-100+ | 80 | Maxim Integrated Products | 19+ | 34-PowerCap? 模块 | ￥24.3100 | IC RTC RAM Y2K 5V 100NS 34-PCM | 购买 |
| DS1642-100+ | 358 | Maxim Integrated Products | 19+ | 24-DIP 模块（0.600"，15.24mm） | ￥25.8800 | IC RAM TIMEKEEP NV 100NS 24-EDIP | 购买 |
| DS1742W-120+ | 79 | Maxim Integrated Products | 19+ | 24-DIP 模块（0.600"，15.24mm） | ￥27.4700 | IC RTC RAM Y2K 3.3V 120NS 24EDIP | 购买 |
| DS1556-70+ | 666 | Maxim Integrated Products | 19+ | 32-DIP 模块（0.600"，15.24mm） | ￥49.0500 | IC RTC RAM Y2K 5V 70NS 32-EDIP | 购买 |
| DS1744-70+ | 255 | Maxim Integrated Products | 19+ | 28-DIP 模块（0.600"，15.24mm） | ￥37.3400 | IC RTC RAM Y2K 5V 70NS 28-EDIP | 购买 |
| DS1744-70IND+ | 420 | Maxim Integrated Products | 19+ | 28-DIP 模块（0.600"，15.24mm） | ￥39.2200 | IC RTC RAM Y2K 5V 70NS 28-EDIP | 购买 |
| DS1644-120+ | 7699 | Maxim Integrated Products | 19+ | 28-DIP 模块（0.600"，15.24mm） | ￥40.1300 | IC RAM TIMEKEEP NV 120NS 28-EDIP | 购买 |
| DS1747-70+ | 817 | Maxim Integrated Products | 19+ | 32-DIP 模块（0.600"，15.24mm） | ￥57.8800 | IC RTC RAM Y2K 5V 70NS 32-EDIP | 购买 |
| DS1747WP-120IND+ | 40 | Maxim Integrated Products | 19+ | 34-PowerCap? 模块 | ￥60.6800 | IC RTC RAM Y2K 3.3V 120NS 34-PCM | 购买 |
| DS1747P-70IND+ | 203 | Maxim Integrated Products | 19+ | 34-PowerCap? 模块 | ￥60.6800 | IC RTC RAM Y2K 5V 70NS 34-PCM | 购买 |
| BQ4802LYDWG4 | 90 | Texas Instruments | 19+ | 28-SOIC（0.295"，7.50mm 宽） | ￥6.7500 | IC RTC W/CPU SUPERVISOR 28SOIC | 购买 |
| X1228S14IZ | 18 | Intersil | 19+ | 14-SOIC（0.154"，3.90mm 宽） | ￥6.9400 | IC RTC/CAL/SUP/ALRM 4K EE 14SOIC | 购买 |
| M41T315V-85MH6F | 1872 | STMicroelectronics | 19+ | 带 SNAPHAT 插座的 28-SOP（0.350"/8.89mm 宽） | ￥7.3664 | IC RTC SUPER PHANTOM 85NS 28SOIC | 购买 |
