| Manufacturer | Part # | Datasheet | Description |
 Epson ToYoCom |
RX-4571LC
|
418Kb / 2P |
LOW BACKUP VOLTAGE SERIAL-INTERFACE REAL TIME CLOCK MODULE
|
 Intersil Corporation |
ISL12008
|
293Kb / 19P |
I2C Real Time Clock with Battery Backup
September 26, 2008 |
 Maxim Integrated Produc... |
DS3231M
|
1Mb / 20P |
5ppm, I2C Real-Time Clock Battery Backup for Continuous Timekeeping
Rev 1; 5/11 |
 Cymbet Corporation |
CBC-EVAL-06
|
1Mb / 11P |
EnerChip??CC Real-Time Clock Evaluation Kit
|
|
AN-1042
|
288Kb / 3P |
EnerChip CC Backup Power for Epson RX-8564 Real-Time Clock
|
|
AN-1043
|
277Kb / 3P |
EnerChip CC as Backup Power for a DS1390 Real-Time Clock
|
|
AN-1045
|
214Kb / 3P |
EnerChip CC Backup Power for Micro Crystal RV-2123 RTC
|
|
AN-1046
|
312Kb / 3P |
EnerChip CC as Backup Power for a Microchip MCP79410 RTC
|
|
AN-1048
|
283Kb / 3P |
EnerChip CC as Backup Power for a DS1340 Real-Time Clock
|
|
DS-72-31
|
1Mb / 14P |
SPI Real-Time Clock/Calendar with Integrated Backup Power
|