Processing table
Interface |
Alarms (#) |
Supply Voltage Vcc (Min) (V) |
Battery Backup |
Battery Seal |
CPU Supervisory Function POR |
Crystal Frequency Trimming |
Frequency Out Pin |
Battery Current (nA) |
Time Keeping Current (µA) |
SRAM |
Selectable Frequency Output |
Oscillator Compensation |
TRIP Voltage for POR |
Accuracy |
Other Functions |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Part Number | ||||||||||||||||
| Real-Time Clock With I2C Serial Interface | I2C | 2 | 1.8 | No | No | No | No | No | 300 | 0.9 | 1 | ±10 ppm | ||||
| Real-Time Clock With Battery Backed Non-Volatile RAM | I2C | 0 | 1.8 | No | No | No | No | No | 300 | 1.4 | 56 Bytes | 1 | ±20 ppm | |||
| Real-Time Clock With Serial I2C Interface | I2C | 2 | 2 | No | No | No | No | No | 300 | 1.4 | 1 | ±20 ppm | ||||
| I2C Real Time Clock with Battery Backup Low Power RTC with Battery ReSeal™ Function | I2C | 1 | 2.7 | Yes | Yes | No | Yes | Yes | 800 | 1.6 | 1 | -94 to +140 | ||||
| Real Time Clock with Embedded Crystal, ±5ppm Accuracy | I2C | 1 | 2.7 | Yes | Yes | No | Yes | Yes | 1000 | 3.5 | 128 Bytes | 15 | -336 to +337 | 6 Select VTRIP Levels | ±5 ppm | Battery Status Monitor, Battery Switchover Time Stamp and more... |
| Low Power RTC with Battery-Backed SRAM and Embedded Temp Compensation ±5ppm with Auto Day Light Saving | I2C | 1 | 2.7 | Yes | Yes | No | Yes | Yes | 1000 | 3.5 | 128 Bytes | 15 | -336 to +337 | 6 Select VTRIP Levels | ±5 ppm | Battery Status Monitor, Battery Switchover Time Stamp and more... |
| Low Power RTC with Battery Backed SRAM, Integrated ±5ppm Temperature Compensation and Auto Daylight Saving | I2C | 1 | 2.7 | Yes | Yes | No | Yes | Yes | 1000 | 3.5 | 128 Bytes | 15 | -336 to +337 | 6 Select VTRIP Levels | ±5 ppm | Battery Status Monitor, Battery Switchover Time Stamp and more... |
| Low Power RTC with Battery Backed SRAM, Integrated ±5ppm Temperature Compensation and Auto Daylight Saving | I2C | 1 | 2.7 | Yes | Yes | No | Yes | Yes | 1000 | 3.5 | 128 Bytes | 15 | -336 to +337 | 6 Select VTRIP Levels | ±5 ppm | Battery Status Monitor, Battery Switchover Time Stamp and more... |
| Low Power RTC with Battery Backed SRAM, Integrated ±5ppm Temperature Compensation and Auto Daylight Saving | I2C | 1 | 2.7 | Yes | Yes | No | Yes | Yes | 1000 | 3.5 | 128 Bytes | 15 | -336 to +337 | 6 Select VTRIP Levels | ±5 ppm | Battery Status Monitor, Battery Switchover Time Stamp and more... |
| Real Time Clock/Calendar with I2C Bus™ and EEPROM | I2C | 2 | 2.7 | Yes | Yes | No | Yes | Yes | 850 | 5 | 512x8-Bit EEPROM | 3 | -64 to +110 | |||
| Real Time Clock/Calendar with I2C Bus™ and EEPROM | I2C | 2 | 2.7 | Yes | Yes | No | Yes | Yes | 850 | 5 | 512x8-Bit EEPROM | 3 | -64 to +110 | |||
| Low Cost and Low Power I2C Real Time Clock/Calendar with Alarm Function and Dual IRQ Pins | I2C | 2 | 1.4 | No | No | Yes | No | Yes | 0.5 | 4 | Dual Alarms, Dual IRQs | |||||
| Low Cost and Low Power I2C Bus™ Real Time Clock/Calendar Low Power and Low Cost RTC with Alarm Function | I2C | 2 | 1.4 | No | No | No | No | Yes | 0.5 | 4 | Dual Alarms | |||||
| I2C Real-Time Clock/Calendar, Low Power RTC with Battery-Backed SRAM | I2C | 1 | 2.7 | Yes | Yes | No | Yes | Yes | 400 | 1.2 | 2 Bytes | 15 | -94 to +140 | Yes | ||
| Low Power RTC with Battery Backed SRAM and Event Detection | I2C | 1 | 2.7 | Yes | Yes | No | Yes | Yes | 400 | 1.2 | 2 Bytes | 15 | -94 to +140 | Yes | Event Detect | |
| Low Power RTC with Battery Backed SRAM and Event Detection | I2C | 1 | 2.7 | Yes | Yes | No | Yes | Yes | 400 | 1.2 | 2 Bytes | 15 | -94 to +140 | Event Detect, Time Stamp |
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