| 制造商 | 部件名 | 数据表 | 功能描述 |
 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
|
 Dallas Semiconductor |
DS1305
|
257Kb / 22P |
Serial Alarm Real Time Clock RTC
|
|
DS1306
|
277Kb / 20P |
Serial Alarm Real Time Clock RTC
|
 STMicroelectronics |
M41T00AUD
|
332Kb / 44P |
Serial real-time clock with audio
13-Dec-2007 |
|
M41T00AUD
|
381Kb / 42P |
Serial real-time clock (RTC) with audio
06-Feb-2012 |
|
M41T81S
|
507Kb / 32P |
Serial access real-time clock (RTC) with alarms
16-May-2012 |
 Texas Instruments |
BQ3285
|
614Kb / 26P |
Real-Time Clock (RTC)
|
|
BQ3285E
|
1Mb / 36P |
Real-Time Clock (RTC)
|