| PartNumber | ISL12030IBZ-T | ISL12030IBZ | ISL12032IVZ |
| Description | Real Time Clock REAL TIME CLK W/ EEPROM 8LD | Real Time Clock REAL TIME CLK W/ EEPROM 8LD | Real Time Clock REAL TIME CLK W/ EEPROM 14LD |
| 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 | SOIC-8 | - | - |
| 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 | HH:MM:SS:hh (12/24 hr) | HH:MM:SS:hh (12/24 hr) |
| Battery Backup Switching | No Backup Switching | - | - |
| RTC Memory Size | 128 B | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 2.7 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Reel | Tube Alternate Packaging | Tube |
| Function | Alarm, Calendar, Clock, Interrupt | - | - |
| Height | 1.5 mm | - | - |
| Length | 5 mm | - | - |
| Series | ISL12030 | - | - |
| Width | 4 mm | - | - |
| Brand | Renesas / Intersil | - | - |
| Product Type | Real Time Clocks | - | - |
| Factory Pack Quantity | 2500 | - | - |
| Subcategory | Clock & Timer ICs | - | - |
| Unit Weight | 0.019048 oz | - | - |
| Type | - | Clock/Calendar | Time Event Recorder |
| Package Case | - | 8-SOIC (0.154", 3.90mm 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, Daylight Savings, SRAM | Alarm, SRAM, Trickle-Charger |
| 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 | - | 8-SOIC | 14-TSSOP |
| Memory Size | - | 128B | 128B |
| Voltage Supply Battery | - | - | 1.8 V ~ 5.5 V |
| Current Timekeeping Max | - | 18μA @ 5.5V | 18μA @ 5.5V |