| 制造商 | 部件名 | 数据表 | 功能描述 |
 STMicroelectronics |
M41T00
|
99Kb / 15P |
Serial Access TIMEKEEPER
15-May-2000 |
|
M41T56
|
254Kb / 28P |
512 bit 64b x8 Serial Access TIMEKEEPER SRAM
09-Oct-2006 |
|
MK41T56
|
102Kb / 15P |
512 bit 64b x8 Serial Access TIMEKEEPER SRAM
Mar-1999 |
 Dallas Semiconductor |
DS1284
|
143Kb / 3P |
Watchdog Timekeeper Chip
|
|
DS1286
|
234Kb / 13P |
Watchdog Timekeeper
|
|
DS1283
|
55Kb / 5P |
Watchdog Timekeeper Chip
|
 Holtek Semiconductor In... |
HT1380A
|
1Mb / 14P |
Serial Timekeeper Chip
|
|
HT1381-8SOPLF
|
172Kb / 10P |
Serial Timekeeper Chip
|
|
HT1380
|
125Kb / 14P |
Serial Timekeeper Chip
May 27, 2011 |
|
HT1380A
|
1Mb / 13P |
Serial Timekeeper Chip
February 03, 2015 |