 | |  | |
| PartNumber | BQ4845YS-A4 | BQ4845YS-A4G4 | BQ4845YS-A4N |
| Description | Real Time Clock w/NVSRAM Control Watchdog Timer | Real Time Clock Watchdog Timer | Real Time Clock w/NVSRAM Control Watchdog Time |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Real Time Clock | Real Time Clock | Clock/Timing - Real Time Clocks |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-28 | SOIC-28 | - |
| RTC Bus Interface | Parallel | Parallel | Parallel |
| Time Format | HH:MM:SS | HH:MM:SS | HH:MM:SS (12/24 hr) |
| Battery Backup Switching | Backup Switching | Backup Switching | Backup Switching |
| RTC Memory Size | 16 B | 16 B | 16 B |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tube | Tube | Tube Alternate Packaging |
| Function | Alarm, Calendar, Clock, Timer Interrupt | Alarm, Calendar, Clock, Timer Interrupt | Alarm Calendar Clock Timer Interrupt |
| Series | BQ4845Y | BQ4845Y | BQ4845Y |
| Brand | Texas Instruments | Texas Instruments | - |
| Product Type | Real Time Clocks | Real Time Clocks | - |
| Factory Pack Quantity | 20 | 20 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | - |
| Unit Weight | 0.025778 oz | 0.025778 oz | 730800 mg |
| Product | - | - | Real Time Clocks |
| Type | - | - | Clock/Calendar |
| Package Case | - | - | 28-SOIC (0.295", 7.50mm Width) |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Mounting Type | - | - | Surface Mount |
| Features | - | - | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer |
| Interface | - | - | Parallel |
| Voltage Supply | - | - | 4.5 V ~ 5.5 V |
| Supplier Device Package | - | - | 28-SOIC |
| Memory Size | - | - | - |
| Date Format | - | - | YY-MM-DD-dd |
| Voltage Supply Battery | - | - | 2.3 V ~ 4 V |
| Current Timekeeping Max | - | - | 1.5mA (Typ) @ 4.5 V ~ 5.5 V |
| Supply Voltage Max | - | - | 5.5 V |
| Supply Voltage Min | - | - | 4.5 V |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Texas Instruments |
BQ4845YS-A4 | Real Time Clock w/NVSRAM Control Watchdog Timer | |
| BQ4845YS-A4G4 | Real Time Clock Watchdog Timer | ||
| BQ4845YS-A4TR | Real Time Clock Watchdog Timer | ||
| BQ4845YS-A4G4 | Real Time Clock w/NVSRAM Control Watchdog Time | ||
| BQ4845YS-A4TR | Real Time Clock w/NVSRAM Control Watchdog Time | ||
| BQ4845YS-A4NTR | Real Time Clock w/NVSRAM Control Watchdog Time | ||
| BQ4845YS-A4N | Real Time Clock w/NVSRAM Control Watchdog Time | ||
| BQ4845YS-A4 | Real Time Clock w/NVSRAM Control Watchdog Time | ||
| BQ4845YS-A4NTRG4 | Real Time Clock RTC IC W NVSRAM Control | ||
| BQ4845YS | New and Original | ||
| BQ4845YS-A4TRG4 | New and Original | ||
| BQ4845YS-N | New and Original | ||
| BQ4845YS-N-A4 | New and Original | ||
| BQ4845YS/S | New and Original | ||
| BQ4845YS/S-N | New and Original | ||
| BQ4845YSA3N | New and Original | ||
| BQ4845YSA4 | New and Original | ||
| BQ4845YSA4N | New and Original |