| PartNumber | ISL12025IBZ-T | ISL12025IBZ | ISL12025IVZ |
| Description | Real Time Clock REAL TIME CLK/CLNDR W/EEPROM 2 63VSET | Real Time Clock REAL TIME CLK/CLNDR W/EEPROM 2 63VSET | Real Time Clock REAL TIME CLK/CLNDR W/EEPROM 2 63SET 8 |
| 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 | - |
| Package / Case | SOIC-8 | SOIC-8 | TSSOP Narrow |
| 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 | Backup Switching | Backup Switching | Backup Switching |
| RTC Memory Size | 512 B | 512 B | 512 B |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 2.7 V | 2.7 V | 2.7 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Reel | Tube | Tube |
| Function | Alarm, Calendar, Clock, Supervisor, Watchdog Timer | Alarm, Calendar, Clock, Supervisor, Watchdog Timer | Alarm, Calendar, Clock, Supervisor, Watchdog Timer |
| Height | 1.5 mm | 1.5 mm | 0.9 mm |
| Length | 5 mm | 5 mm | 3 mm |
| Series | ISL12025 | ISL12025 | ISL12025 |
| Width | 4 mm | 4 mm | 4.4 mm |
| Brand | Renesas / Intersil | Renesas / Intersil | Renesas / Intersil |
| Product Type | Real Time Clocks | Real Time Clocks | Real Time Clocks |
| Factory Pack Quantity | 2500 | 98 | 96 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Unit Weight | 0.019048 oz | 0.019048 oz | - |