| PartNumber | ISL12058IBZ | ISL12058IRTZ | ISL12058IBZ-T |
| Description | Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS | Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS | Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS |
| Manufacturer | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Product Category | Real Time Clock | Real Time Clock | Real Time Clock |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-8 | TDFN-EP-8 | SOIC-8 |
| RTC Bus Interface | Serial, I2C | Serial, I2C | Serial, I2C |
| Date Format | DW:DM:M:Y | DW:DM:M:Y | DW:DM:M:Y |
| Time Format | HH:MM:SS | HH:MM:SS | HH:MM:SS |
| Battery Backup Switching | No Backup Switching | No Backup Switching | No Backup Switching |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage Min | 1.8 V | 1.8 V | 1.8 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tube | Tube | Reel |
| Function | Alarm, Calendar, Clock, Interrupt | Alarm, Calendar, Clock, Interrupt | Alarm, Calendar, Clock, Interrupt |
| Height | 1.5 mm (Max) | 0.75 mm (Max) | 1.5 mm (Max) |
| Length | 5 mm (Max) | 3 mm | 5 mm (Max) |
| Product | Real Time Clocks | Real Time Clocks | Real Time Clocks |
| Series | ISL12058 | ISL12058 | ISL12058 |
| Width | 4 mm (Max) | 3 mm | 4 mm (Max) |
| Brand | Renesas / Intersil | Renesas / Intersil | Renesas / Intersil |
| Moisture Sensitive | Yes | - | Yes |
| Product Type | Real Time Clock | Real Time Clock | Real Time Clock |
| Factory Pack Quantity | 98 | 100 | 2500 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Unit Weight | 0.002540 oz | 0.000776 oz | 0.002540 oz |