| 制造商 | 部件名 | 数据表 | 功能描述 |
 STMicroelectronics |
M4ZXX-BR00SH
|
49Kb / 7P |
ZEROPOWER SNAPHAT Battery
Nov-1999 |
 Holtek Semiconductor In... |
HT1380
|
183Kb / 10P |
Serial Timekeeper Chip
October 2, 1999 |
 Dallas Semiconductor |
DS1286
|
234Kb / 13P |
Watchdog Timekeeper
|
 Texas Instruments |
BQ48SH-28X6
|
96Kb / 6P |
SNAPHAT WITH INTEGRATED BATTERY AND CRYSTAL
|
 STMicroelectronics |
M4T28-BR12SH
|
172Kb / 12P |
TIMEKEEPER SNAPHAT (BATTERY & CRYSTAL)
Mar-2003 |
|
M4Z28-BR00SH
|
163Kb / 12P |
ZEROPOWER SNAPHAT (BATTERY)
Mar-2003 |
|
M48T212V
|
312Kb / 35P |
3.3V TIMEKEEPER supervisor
05-Nov-2007 |
 Texas Instruments |
BQ48SH
|
126Kb / 7P |
SNAPHAT??WITH INTEGRATED BATTERT AND CRYSTAL
|
 Holtek Semiconductor In... |
HT1381-8SOPLF
|
172Kb / 10P |
Serial Timekeeper Chip
|
 STMicroelectronics |
M4T28-BR12SH1
|
135Kb / 16P |
TIMEKEEPER SNAPHAT (battery and crystal)
20-Nov-2008 |