BQ4845YS-A4G4
IC RTC CLK/CALENDAR PAR 28SOICManufacturer: Texas Instruments
Categories: Real Time Clocks
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The Texas Instruments BQ4845YS-A4G4 is a Real Time Clock (RTC) integrated circuit featuring a parallel interface. This clock/calendar component is housed in a 28-SOIC package with a standard 0.295" (7.50mm) width. It supports both HH:MM:SS (12/24 hr) and YY-MM-DD-dd date formats, incorporating essential features such as alarm functionality, daylight saving time adjustments, leap year correction, a supervisor function, and a watchdog timer. The device operates within a voltage range of 4.5V to 5.5V, with a battery voltage range of 2.3V to 4V. Timekeeping current consumption is typically 1.5mA at 4.5V. This component is commonly utilized in industrial automation, consumer electronics, and battery-backed systems where accurate timekeeping and system monitoring are critical.
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 | 0°C ~ 70°C |
| Voltage - Supply | 4.5V ~ 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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