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 SER 10SSOP
1+:$1.73
10+:$1.26
25+:$1.15
100+:$1.02
250+:$0.96
500+:$0.92
1000+:$0.89
IC RTC CLOCK/CALENDAR I2C 12QFN
1+:$1.73
10+:$1.26
25+:$1.15
100+:$1.02
250+:$0.96
500+:$0.92
1000+:$0.89
IC RTC CLK/CALENDAR I2C 10TSSOP
1+:$1.71
10+:$1.24
25+:$1.13
100+:$1
250+:$0.94
500+:$0.91
1000+:$0.88
IC RTC CLK/CALENDAR I2C 16SSOP
1+:$1.82
10+:$1.33
25+:$1.21
100+:$1.07
250+:$1.01
500+:$0.97
1000+:$0.94
IC RTC CLK/CALENDAR I2C 22SON
1+:$4.95
10+:$3.76
25+:$3.46
100+:$3.13
250+:$2.97
500+:$2.88
IC RTC CLK/CALENDAR SER 10TSSOP
1+:$1.6
10+:$1.16
25+:$1.05
100+:$0.93
250+:$0.88
500+:$0.84
1000+:$0.81
IC RTC CLK/CALENDAR I2C 8SSOP
1+:$1.73
10+:$1.26
25+:$1.15
100+:$1.02
250+:$0.96
500+:$0.92
1000+:$0.89
IC RTC CLK/CALENDAR I2C 10SMD
1+:$8.18
10+:$6.32
25+:$5.85
100+:$5.34
IC RTC CLK/CALENDAR I2C 10SMD
1+:$12.78
10+:$8.76
25+:$7.71
100+:$6.53
IC RTC CLK/CALENDAR SER 18QFN
1+:$1.71
10+:$1.24
25+:$1.13
100+:$1
250+:$0.94
500+:$0.91
1000+:$0.88
IC RTC CLK/CALENDAR I2C 10TSSOP
1+:$1.71
10+:$1.24
25+:$1.13
100+:$1
250+:$0.94
500+:$0.91
1000+:$0.88
IC RTC CLK/CALENDAR SER 16QFN
1+:$1.71
10+:$1.24
25+:$1.13
100+:$1
250+:$0.94
500+:$0.91
1000+:$0.88