实时时钟
实时时钟(RTC)可在几乎所有需要保持精确时间的电子设备中提供时间和/或日期信息。其类型包括二进制计数器型、时钟/日历/看门狗型、经过时间计数器型、虚时间芯片型、便携式系统控制器型、温度记录器型、时间事件记录器型以及定时器外设型。这些器件的存储容量范围从2字节到2兆字节不等,接口选项涵盖I2C、并行、串行、SPI、1-Wire、2-Wire、3-Wire和4-Wire等多种方式。
IC RTC CLK/CALENDAR I2C 10SMD
1+:$4.36
10+:$2.81
25+:$2.4
100+:$1.94
250+:$1.71
500+:$1.58
1000+:$1.46
IC RTC CLK/CALENDAR I2C 10SMD
IC RTC CLK/CALENDAR I2C 10SMD
1+:$8.01
10+:$5.46
25+:$4.8
100+:$4.06
IC RTC CLK/CALENDAR I2C 10SMD
IC RTC CLK/CALENDAR I2C 10SMD
1+:$4.36
10+:$2.81
25+:$2.4
100+:$1.94
250+:$1.71
500+:$1.58
IC RTC CLK/CALENDAR I2C 10SMD
1+:$4.99
10+:$3.79
25+:$3.49
100+:$3.16
250+:$3.01
500+:$2.91
IC RTC TIME EVENT REC I2C 10SMD
IC RTC EVENT REC I2C MODULE
1+:$3
10+:$2.24
25+:$2.05
100+:$1.84
IC RTC TIME EVENT REC I2C 10SMD
1+:$2.46
10+:$1.54
25+:$1.3
100+:$1.03
250+:$0.89
500+:$0.81
IC RTC CLOCK/CALENDAR I2C 8SOP
1+:$3.61
10+:$2.71
25+:$2.48
100+:$2.24
250+:$2.12
500+:$2.05
1000+:$1.99
2500+:$1.93
5000+:$1.89
IC RTC CLK/CALENDAR I2C 14SOP
1+:$3.96
10+:$2.53
25+:$2.16
100+:$1.74
250+:$1.53
500+:$1.41
IC RTC CLK/CALENDAR I2C 14SOP