| BQ4845P-A4 Description |
| RTC IC W NVSRAM Control, Watchdog Timer, uP Reset, Interrupts and Battery Low Warning |
| BQ4845P-A4 Vendor |
| Texas Instruments |
| BQ4845P-A4 Features |
- Real-Time Clock counts seconds through years in BCD format
- On-chip battery-backup switchover circuit with nonvolatile control for external SRAM
- Less than 500nA of clock operation current in backup mode
- Microprocessor reset valid to VCC =VSS
- Independent watchdog timer with a programmable time-out period
- Power-fail interrupt warning
- Programmable clock alarm interrupt active in battery-backup mode
- Programmable periodic interrupt
- Battery-low warning
|
| BQ4845P-A4 Datasheet and Application Notes |
|
| Parameter | Value |
| Supply Voltage (V) | 5 |
| Bus Interface | Parallel |
| Pin/Package | 28PDIP,28SOIC |
| Approx. 1KU Price (US$) | 2.5 |
| Status | ACTIVE |
| Temp (oC) | 0 to 70 |
| Budget Price ($US) | QTY | 2.50 | 1KU |
| Package Type | Pins | PDIP (N) | 28 |
| STD Pack QTY | 13 |
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BQ4845S-A4 BQ4845YS-A4TR BQ4845YS-A4 BQ4845YS-A4NTR
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