| Manufacturer | Part # | Datasheet | Description |
 Texas Instruments |
BQ4285
|
1Mb / 27P |
Real-Time Clock RTC With NVRAM Control
|
|
BQ4287
|
142Kb / 8P |
Real-Time Clock Module With NVRAM Control
|
 Dallas Semiconductor |
DS1500
|
351Kb / 19P |
Y2K Watchdog RTC with Nonvolatile Control
|
 Maxim Integrated Produc... |
DS1500
|
365Kb / 19P |
Y2K Watchdog RTC with Nonvolatile Control
REV: 111705 |
|
DS1500
|
547Kb / 20P |
Y2K Watchdog RTC with Nonvolatile Control
Rev 11/11 |
 STMicroelectronics |
M41T11
|
231Kb / 30P |
Serial real-time clock (RTC) with 56 bytes of NVRAM
11-Jun-2012 |
|
M41T56
|
483Kb / 27P |
Serial real-time clock (RTC) with 56 bytes NVRAM
06-Dec-2011 |
 Texas Instruments |
BQ4287MT-SB2
|
376Kb / 10P |
Real-Time Clock Module With NVRAM Control
|
|
BQ4285
|
1Mb / 29P |
Real-Time Clock (RTC) With NVRAM Control
|
|
BQ4285E
|
1Mb / 31P |
Enhanced RTC With NVRAM Control
|