| PartNumber | BQ4802YDW | BQ4802YDSH | BQ4802YDWG4 |
| Description | Real Time Clock Parallel RTC | Real Time Clock Parallel RTC | Real Time Clock Parallel RTC |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Real Time Clock | Real Time Clock | Clock/Timing - Real Time Clocks |
| RoHS | Y | N | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-28 | SOP-28 | - |
| RTC Bus Interface | Parallel | Parallel | - |
| Time Format | HH:MM:SS | HH:MM:SS | HH:MM:SS (12/24 hr) |
| Battery Backup Switching | Backup Switching | Backup Switching | - |
| RTC Memory Size | 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 | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Packaging | Tube | Tube | Tube Alternate Packaging |
| Function | Alarm, Calendar, Clock, NV SRAM Control | Alarm, Calendar, Clock, NV SRAM Control | - |
| Product | Real Time Clocks | - | - |
| Series | BQ4802Y | - | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Product Type | Real Time Clock | Real Time Clocks | - |
| Factory Pack Quantity | 20 | 1 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | - |
| Unit Weight | 0.025778 oz | - | - |
| Moisture Sensitive | - | Yes | - |
| Type | - | - | Clock/Calendar |
| Package Case | - | - | 28-SOIC (0.295", 7.50mm Width) |
| Operating Temperature | - | - | 0°C ~ 70°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 | - | - | 2.4 V ~ 4 V |
| Current Timekeeping Max | - | - | 1.5mA (Typ) @ 4.5 V ~ 5.5 V |