BQ4845S-A4N
IC RTC CLK/CALENDAR PAR 28SOICManufacturer: Texas Instruments
Categories: Real Time Clocks
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Texas Instruments BQ4845S-A4N is a Clock/Calendar IC featuring a parallel interface. This component is designed for timekeeping applications, offering a full calendar with support for leap years, daylight saving adjustments, and alarm functions. It also includes a watchdog timer and voltage supervisor capabilities. The BQ4845S-A4N operates within a supply voltage range of 4.75V to 5.5V and supports battery backup with a voltage range of 2.3V to 4V. Typical current consumption for timekeeping is 1.5mA at 4.5V to 5.5V. The device is housed in a 28-SOIC (0.295", 7.50mm Width) surface-mount package. Applications include industrial automation, medical devices, and consumer electronics requiring reliable timekeeping and system supervision.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDownload Free CAD Model:
Technical Details:
| Features | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer |
| Packaging | Tube |
| Package / Case | 28-SOIC (0.295"", 7.50mm Width) |
| Mounting Type | Surface Mount |
| Memory Size | - |
| Interface | Parallel |
| Type | Clock/Calendar |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Supply | 4.75V ~ 5.5V |
| Time Format | HH:MM:SS (12/24 hr) |
| Date Format | YY-MM-DD-dd |
| Supplier Device Package | 28-SOIC |
| Voltage - Supply, Battery | 2.3V ~ 4V |
| Current - Timekeeping (Max) | 1.5mA (Typ) @ 4.5 V ~ 5.5 V |
| Programmable | Not Verified |
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