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| PartNumber | BQ4285S-S82 | BQ4285S-SB2G4 | BQ4285S-SB2 |
| Description | Real Time Clock RTC IC: 114x8 NVSRAM & NVSRAM Control | Real Time Clock RTC IC: 114x8 NVSRAM & NVSRAM Control | |
| Manufacturer | TI | Texas Instruments | Texas Instruments |
| Product Category | IC Chips | Clock/Timing - Real Time Clocks | Clock/Timing - Real Time Clocks |
| Series | - | - | BQ4285 |
| Type | - | Clock/Calendar | Clock/Calendar |
| Packaging | - | Tube Alternate Packaging | Tube Alternate Packaging |
| Package Case | - | 24-SOIC (0.295", 7.50mm Width) | SOIC-24 |
| Operating Temperature | - | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | - | Surface Mount | Surface Mount |
| Features | - | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output |
| Interface | - | Parallel | Parallel |
| Voltage Supply | - | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V |
| Supplier Device Package | - | 24-SOIC | 24-SOIC |
| Memory Size | - | 114B | 114B |
| Time Format | - | HH:MM:SS (12/24 hr) | HH:MM:SS (12/24 hr) |
| Date Format | - | YY-MM-DD-dd | YY-MM-DD-dd |
| Voltage Supply Battery | - | 2.5 V ~ 4 V | 2.5 V ~ 4 V |
| Current Timekeeping Max | - | - | - |
| Product | - | - | Real Time Clocks |
| Unit Weight | - | - | 0.022025 oz |
| Mounting Style | - | - | SMD/SMT |
| Function | - | - | Alarm Calendar Clock NV SRAM Control |
| Maximum Operating Temperature | - | - | + 70 C |
| Minimum Operating Temperature | - | - | 0 C |
| Battery Backup Switching | - | - | Backup Switching |
| Supply Voltage Max | - | - | 5.5 V |
| Supply Voltage Min | - | - | 4.5 V |
| RTC Bus Interface | - | - | Multiplexed |
| RTC Memory Size | - | - | 114 B |