M4T28-BR12SH и другие
| Компонент | Описание | Производитель | |
| M4T28-BR12SH | Serial Real Time Clock with 44Bytes NVRAM and Reset |
STMicroelectronics |
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| M4T28-BR12SH | 3.0/3.3V I2C Combination Serial RTC, NVRAM Supervisor and Microprocessor Supervisor |
STMicroelectronics |
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| M4T28-BR12SH | 5.0 OR 3.0V, 512 bit 64 x 8 SERIAL RTC and NVRAM SUPERVISOR |
STMicroelectronics |
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| M4T28-BR12SH | 5.0 or 3.3 V, 256 Kbit (32 Kbit x 8) TIMEKEEPER^ SRAM |
STMicroelectronics |
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| M4T28-BR12SH | TIMEKEEPER SNAPHAT Battery & Crystal |
STMicroelectronics |
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| M4T28-BR12SH | 5.0 V PC real-time clock |
STMicroelectronics |
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| M4T28-BR12SH | Serial Real Time Clock with 56 Bytes of NVRAM |
STMicroelectronics |
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| M4T28-BR12SH | 5.0 OR 3.0V, 512 bit 64 x 8 SERIAL RTC and NVRAM SUPERVISOR |
STMicroelectronics |
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| M4T28-BR12SH | TIMEKEEPER SNAPHAT (BATTERY & CRYSTAL) |
STMicroelectronics |
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| M4T28-BR12SH | 3.3V-5V 256 Kbit 32Kb x8 TIMEKEEPER SRAM |
STMicroelectronics |
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