| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... |
DP8573A
|
270Kb / 16P |
Real Time Clock (RTC)
|
 Texas Instruments |
BQ3285
|
553Kb / 22P |
Real-Time Clock RTC
|
|
BQ3285E
|
1Mb / 29P |
Real-Time Clock RTC
|
|
BQ4287
|
142Kb / 8P |
Real-Time Clock Module With NVRAM Control
|
 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
|
|
BQ3285
|
614Kb / 26P |
Real-Time Clock (RTC)
|
|
BQ4285
|
1Mb / 29P |
Real-Time Clock (RTC) With NVRAM Control
|
|
BQ3285E
|
1Mb / 36P |
Real-Time Clock (RTC)
|