| 부품 번호. | 제조사 | 기술 | 시리즈 | 패키지 케이스 |
|---|---|---|---|---|
| M4T28-BR12SH1 | STMicroelectronics | SNAPHAT BATT/CRYSTAL FOR SOIC | Timekeeper®, Snaphat® | |
| M4T32-BR12SH1 | STMicroelectronics | SNAPHAT BATT/CRYSTAL FOR SOIC | Timekeeper®, Snaphat® | |
| M4T32-BR12SH6 | STMicroelectronics | SNAPHAT BATT/CRYSTAL FOR SOIC | Timekeeper®, Snaphat® |