| PartNumber | ISL12029AIV27Z | ISL12029AIB27Z-T | ISL12029AIB27Z |
| Description | Real Time Clock REAL TIME CLKRTC W/ EPROM 2 63VSET 14 | Real Time Clock REAL TIME CLKRTC W/ EPROM 2 63VSET 14 | Real Time Clock REAL TIME CLKRTC W/ EPROM 2 63VSET 14 |
| 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 | TSSOP-14 | SOIC-14 | SOIC-14 |
| 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 | Tube | Reel | Tube |
| Function | Alarm, Calendar, Clock, Interrupt, Timer | Alarm, Calendar, Clock, Interrupt, Timer | Alarm, Calendar, Clock, Interrupt, Timer |
| Height | 1.05 mm | 1.25 mm | 1.25 mm |
| Length | 5.05 mm | 8.65 mm | 8.65 mm |
| Series | ISL12029A | ISL12029A | ISL12029A |
| Width | 4.5 mm | 3.9 mm | 3.9 mm |
| Brand | Renesas / Intersil | Renesas / Intersil | Renesas / Intersil |
| Product Type | Real Time Clocks | Real Time Clocks | Real Time Clocks |
| Factory Pack Quantity | 96 | 2500 | 50 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Unit Weight | 0.004949 oz | - | - |
| Moisture Sensitive | - | Yes | Yes |