| Компонент | Описание | Производитель | |
| MCP79400 | I2C Real-Time Clock/Calendar with SRAM, Unique ID and Battery Switchover |
Microchip Technology |
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| MCP79401 | I2C Real-Time Clock/Calendar with SRAM, Unique ID and Battery Switchover |
Microchip Technology |
|
| MCP79402 | I2C Real-Time Clock/Calendar with SRAM, Unique ID and Battery Switchover |
Microchip Technology |
|
| MCP7940N | Low-Cost I2C Real-Time Clock/Calendar with SRAM and Battery Switchover |
Microchip Technology |
|
| MCP7940NT | Low-Cost I2C Real-Time Clock/Calendar with SRAM and Battery Switchover |
Microchip Technology |