BQ4845YS-A4TR
IC RTC CLK/CALENDAR PAR 28SOICManufacturer: Texas Instruments
Categories: Real Time Clocks
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Texas Instruments BQ4845YS-A4TR is a Real Time Clock (RTC) Clock/Calendar IC with a parallel interface. This component is housed in a 28-SOIC (0.295", 7.50mm Width) package and is supplied on tape and reel. Key features include alarm functionality, daylight savings compensation, leap year calculation, and integrated supervisor and watchdog timer capabilities. The device operates within a supply voltage range of 4.5V to 5.5V, with a separate battery voltage input ranging from 2.3V to 4V. Typical current draw for timekeeping is 1.5mA at 4.5V. The BQ4845YS-A4TR supports both 12 and 24-hour time formats (HH:MM:SS) and a YY-MM-DD-dd date format. This device is suitable for surface mount applications and finds use in industrial automation, medical equipment, and consumer electronics sectors.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Download Free CAD Model:
Technical Details:
| Features | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer |
| Packaging | Tape & Reel (TR) |
| 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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