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| PartNumber | RV-3149-C3 32.768kHz OPTION A TB QA | RV-3149-C3 32.768kHz OPTION A TA QC | RV-3129-C3 32.768kHz OPTION B TB QA |
| Description | Real Time Clock 32.768kHz SPI Time Acc. 6ppm AEC | Real Time Clock 32.768kHz SPI Time Acc. 6ppm | Real Time Clock 32.768kHz I2C Time Acc. 25ppm AEC |
| Manufacturer | Micro Crystal | Micro Crystal | Micro Crystal |
| Product Category | Real Time Clock | Real Time Clock | Real Time Clock |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | 3.7 mm x 2.5 mm | 3.7 mm x 2.5 mm | 3.7 mm x 2.5 mm |
| RTC Bus Interface | SPI | SPI | I2C |
| Battery Backup Switching | Backup Switching | Backup Switching | Backup Switching |
| RTC Memory Size | 8 B | 8 B | 8 B |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 1.3 V | 1.3 V | 1.3 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 85 C | + 125 C |
| Packaging | Reel | Reel | Reel |
| Series | RV-3149 | RV-3149 | RV-3129 |
| Type | Real-Time Clock Module with SPI-Bus | Real-Time Clock Module with SPI-Bus | Real-Time Clock Module with I2C-Bus |
| Brand | Micro Crystal | Micro Crystal | Micro Crystal |
| Product Type | Real Time Clock | Real Time Clock | Real Time Clock |
| Factory Pack Quantity | 1000 | 1000 | 1000 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Part # Aliases | 203641-MG01 | 203658-MG01 | 203639-MG01 |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Micro Crystal |
RV-3149-C3 32.768kHz OPTION A TB QA | Real Time Clock 32.768kHz SPI Time Acc. 6ppm AEC | |
| RV-3149-C3 32.768kHz OPTION B TB QA | Real Time Clock 32.768kHz SPI Time Acc. 25ppm AEC | ||
| RV-3149-C3 32.768kHz OPTION A TA QC | Real Time Clock 32.768kHz SPI Time Acc. 6ppm | ||
| RV-3129-C3 32.768kHz OPTION B TB QA | Real Time Clock 32.768kHz I2C Time Acc. 25ppm AEC | ||
| RV-3149-C3 32.768kHz OPTION B TA QC | Real Time Clock 32.768kHz SPI Time Acc. 25ppm | ||
| RV-35V101MG10U-R | Aluminum Electrolytic Capacitors - SMD 35V 100uF 20% |