 | ST3232BTR | 4800 | ST | 2016+ | 8-TSSOP | | 5V, 256K-Bit TIMEKEEPER? SRAM* | 购买 |
| ST3232BDR | 4800 | ST | 2016+ | 8-SOIC | | 3.3V, 256K-Bit TIMEKEEPER? NVRAM | 购买 |
| ST3222ECTR | 2000 | ST | aa | 20-SSOP | | 3.3V, 256K-Bit TIMEKEEPER? NVRAM | 购买 |
| ST3222ECPR | 2000 | ST | aa | 44-NQFP | | 3.3V, 256K-Bit TIMEKEEPER? SRAM* | 购买 |
| ST3222EBTR | 2000 | ST | aa | 44-LQFP | | 5V, 256K-Bit TIMEKEEPER? NVRAM | 购买 |
| ST3222EBPR | 2000 | ST | aa | 20-SOIC | | 5V, 64K-Bit TIMEKEEPER? NVRAM | 购买 |
| ST3222CTR | 2000 | ST | aa | 20-SOIC | | 5V, 64K-Bit TIMEKEEPER? NVRAM | 购买 |
| ST3222BTR | 2000 | ST | aa | 8-SOIC | | 5V, 16K-Bit TIMEKEEPER? NVRAM | 购买 |
| ST1480ACDR | 2000 | ST | aa | 8-SOIC | | 5V, 16K-Bit TIMEKEEPER? NVRAM | 购买 |
| ST1480ABDR | 2000 | ST | aa | 8-SOIC | | 5V, 64K-Bit TIMEKEEPER? NVRAM | 购买 |
| ST802RT1BFR | 2000 | ST | aa | 8-SOIC | | 5V, 64K-Bit TIMEKEEPER? NVRAM | 购买 |
| ST802RT1AFR | 2000 | ST | aa | 8-SOIC | | 5V, 64K-Bit TIMEKEEPER? NVRAM | 购买 |
| ST491ACN | 2000 | ST | aa | 14-SOIC | | 5V, 64K-Bit TIMEKEEPER? NVRAM | 购买 |
| ST490ABDR | 2000 | ST | aa | 14-SOIC | | 5V, 16K-Bit TIMEKEEPER? NVRAM | 购买 |
| ST485EXDR | 2000 | ST | aa | 14-SOIC | | 5V, 16K-Bit TIMEKEEPER? NVRAM | 购买 |
| ST485ERXDR | 2000 | ST | aa | 28-PSOP | | Serial Access RTC with Alarm* | 购买 |
| ST485ERBN | 2000 | ST | aa | 8-SOIC | | 56-Bit, Serial RTC NVRAM* | 购买 |
| ST485ERBDR | 2000 | ST | aa | 8-SOIC | | 5.5V, 2K-Bit Serial EEPROM* | 购买 |
| ST485ECDR | 2000 | ST | aa | 8-SOIC | | 5.5V, 2K-Bit Serial EEPROM* | 购买 |
| ST485EBDR | 2000 | ST | aa | 8-SOIC | | 5.5V, 64K-Bit Serial EEPROM* | 购买 |
