| 制造商 | 部件名 | 数据表 | 功能描述 |
 Microchip Technology |
MCP7940N
|
562Kb / 36P |
Low-Cost I2C??Real-Time Clock/Calendar with SRAM and Battery Switchover
2011 |
 Micro Analog systems |
MCP7952X
|
946Kb / 50P |
3V SPI Real-Time Clock Calendar with Battery Switchover
|
 STMicroelectronics |
M41T83
|
1,001Kb / 62P |
Serial I2C bus real-time clock (RTC) with battery switchover
26-Oct-2012 |
|
M41T93
|
787Kb / 51P |
Serial SPI bus real-time clock with battery switchover
12-Oct-2011 |
 Microchip Technology |
MCP7940N
|
1Mb / 42P |
Low-Cost I2C??Real-Time Clock/Calendar with SRAM and Battery Switchover
11/29/12 |
|
MCP795W1X
|
1Mb / 54P |
3V SPI Real-Time Clock Calendar with Enhanced Features and Battery Switchover
2011-2012 11/29/11 |
|
MCP79510-IMS
|
946Kb / 50P |
3V SPI Real-Time Clock Calendar with Battery Switchover
11/29/11 |
|
MCP7940NT-I-MNY
|
1Mb / 42P |
Low-Cost I2C Real-Time Clock/Calendar with SRAM and Battery Switchover
11/29/12 |
 EM Microelectronic - MA... |
EM3027
|
1Mb / 28P |
Real Time Clock with I2C or SPI, Crystal Temperature Compensation, Battery Switchover and Trickle Charger
|
|
EM3027-13
|
1Mb / 28P |
Battery Switchover and Trickle Charger
|