| Manufacturer | Part # | Datasheet | Description |
 Intersil Corporation |
ISL12058
|
329Kb / 19P |
Low Cost and Low Power I2C-Bus??Real Time Clock/Calendar
June 15, 2009 |
 Maxim Integrated Produc... |
DS1339A
|
1Mb / 19P |
Low-Current, I2C, Serial Real-Time Clock
Rev 0; 8/12 |
|
DS1339A
|
580Kb / 19P |
Low-Current, I2C, Serial Real-Time Clock
Rev 1; 5/13 |
 Cymbet Corporation |
CBC34803
|
511Kb / 9P |
I2C Real-Time Clock/Calendar with Integrated Backup Power
|
|
DS-72-34
|
1Mb / 18P |
I2C Real-Time Clock/Calendar with Integrated Backup Power
|
 ARTSCHIP ELECTRONICS CO... |
DS1307
|
249Kb / 14P |
I2C Real-Time Clock
|
 Maxim Integrated Produc... |
MAX31342
|
476Kb / 24P |
Low-Current, Real-Time Clock with I2C Interface
Rev 2; 4/19 |
|
MAX31341B
|
750Kb / 30P |
Low-Current, Real-Time Clock with I2C Interface and Power Management
19-100537; Rev 4; 3/20 |
|
MAX31343
|
1Mb / 40P |
짹5ppm, I2C Real-Time Clock with Integrated MEMS Oscillator
2021 |
 Analog Devices |
MAX31331
|
1Mb / 49P |
Ultra-Low-Power, I2C Real-Time Clock and Power Management
19-101203; Rev 1; 4/22 |