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| PartNumber | ISL12029IV27AZ | ISL12029IV27AZ-T | ISL12029IV27Z |
| Description | Real Time Clock REAL TIME CLKRTC W/ EPROM 2 92VSET 14 | Real Time Clock REAL TIME CLKRTC W/ EPROM 2 92VSET 14 | Real Time Clock REAL TIME CLKRTC W/ EPROM 2 7VSET 14 L |
| Manufacturer | Renesas Electronics | Intersil | Intersil |
| Product Category | Real Time Clock | Clock/Timing - Real Time Clocks | Clock/Timing - Real Time Clocks |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | TSSOP-14 | - | - |
| RTC Bus Interface | Serial, I2C | - | - |
| Date Format | DW:DM:M:Y | YY-MM-DD-dd | YY-MM-DD-dd |
| Time Format | HH:MM:SS | HH:MM:SS (12/24 hr) | HH:MM:SS (12/24 hr) |
| Battery Backup Switching | Backup Switching | - | - |
| RTC Memory Size | 512 B | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 2.7 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tube | Tape & Reel (TR) | Tube |
| Function | Alarm, Calendar, Clock, Interrupt, Timer | - | - |
| Height | 0.9 mm | - | - |
| Length | 5 mm | - | - |
| Series | ISL12029 | - | - |
| Width | 4.4 mm | - | - |
| Brand | Renesas / Intersil | - | - |
| Product Type | Real Time Clocks | - | - |
| Factory Pack Quantity | 96 | - | - |
| Subcategory | Clock & Timer ICs | - | - |
| Unit Weight | 0.004949 oz | - | - |
| Type | - | Clock/Calendar | Clock/Calendar |
| Package Case | - | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP (0.173", 4.40mm Width) |
| Operating Temperature | - | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | - | Surface Mount | Surface Mount |
| Features | - | Alarm, Leap Year, Supervisor, Watchdog Timer | Alarm, Leap Year, Supervisor, Watchdog Timer |
| Interface | - | I2C, 2-Wire Serial | I2C, 2-Wire Serial |
| Voltage Supply | - | 2.7 V ~ 5.5 V | 2.7 V ~ 5.5 V |
| Supplier Device Package | - | 14-TSSOP | 14-TSSOP |
| Memory Size | - | - | - |
| Voltage Supply Battery | - | 1.8 V ~ 5.5 V | 1.8 V ~ 5.5 V |
| Current Timekeeping Max | - | 10μA ~ 20μA @ 2.7V ~ 5.5V | 10μA ~ 20μA @ 2.7V ~ 5.5V |