| 制造商 | 部件名 | 数据表 | 功能描述 |
 NXP Semiconductors |
PCF8563
|
692Kb / 30P |
Real-time clock/calendar
16 April 1999 |
 Xicor Inc. |
X1205
|
407Kb / 22P |
Real Time Clock/Calendar
|
 NXP Semiconductors |
PCA2125
|
1Mb / 40P |
SPI Real time clock / calendar
Rev.00.11-30 January 2007 |
|
PCF2123
|
239Kb / 54P |
SPI Real time clock/calendar
Rev. 01-19 November 2008 |
|
PCA2125
|
189Kb / 36P |
SPI Real-time clock/calendar
Rev. 01-28 July 2008 |
|
PCF2123
|
1Mb / 55P |
SPI Real time clock/calendar
Rev. 02-4 December 2009 |
|
PCF8563
|
466Kb / 45P |
Real-time clock/calendar
Rev. 9-16 June 2011 |
|
PCA21125
|
1Mb / 42P |
SPI-bus Real-Time Clock and calendar
Rev. 01-16 November 2009 |
 Micro Analog systems |
MCP795WXX
|
969Kb / 54P |
SPI Real-Time Clock Calendar
|
 NXP Semiconductors |
PCF8563TF4.118
|
492Kb / 50P |
Real-time clock/calendar
Rev. 10-3 April 2012 |