Real-time clocks provide time and/or date information in almost any electronic device that is needed to keep accurate time. They can provide accurate real-time time for people, or provide accurate time reference for electronic system. At present, most real-time clock chips use crystal oscillator with high precision as clock source.
Real Time Clock/Calendar | IC RTC CLK/CALENDAR I2C 8-SOIC
4550 pieces
Parallel RTC With CPU Supervisor
8800 pieces
11600 pieces
I2C Real Time Clock/Calendar | IC RTC CLK/CALENDAR I2C 8-MSOP
2000 pieces
IC RTC CLK/CALENDAR I2C TSSOP
1870 pieces
47000 pieces
IC RTC CLK/CALENDAR SPI 10-MSOP / Real Time Clock (RTC) IC Clock/Calendar 64B SPI 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
IC RTC CLK/CALENDAR I2C 8-SOIC
4500 pieces
IC RTC CLK/CALENDAR PAR 24-EDIP
IC RTC CLK/CALENDAR 24SOIC
1200 pieces
IC RTC CLK/CALENDAR I2C 8SOIC / Real Time Clock (RTC) IC Clock/Calendar I2C, 2-Wire Serial 8-SOIC (0.154", 3.90mm Width)
2620 pieces
10000 pieces
IC RTC CLOCK/CALENDAR 24DIP
1970 pieces
IC RTC CLK/CALENDAR I2C 14-TSSOP / Real Time Clock Serial 32Kbyte Clock/Calendar/Alarm/Battery Backup Automotive 14-Pin TSSOP
1100 pieces
81589 pieces
32000 pieces
P8254 - PROGRAMMABLE TIMER, 3 TI
2810 pieces
IC RTC CLK/CALENDAR PAR 18-DIP
Real Time Clock Serial 64byte Clock/Calendar/Alarm Automotive 8-Pin SOIC N Tube / IC RTC CLK/CALENDAR I2C 8-SOIC
2760 pieces
Accurate RTC with integrated quartz crystal for industrial
1900 pieces
IC REAL TIME CLOCK 4 WIRE SERIAL
CMOS Serial 10-Bit A/D Converter / 8-Channel Single ADC SAR 10-bit Serial 16-Pin PDIP
14000 pieces
1820 pieces
1500 pieces
I2C-bus Real-Time Clock ICs with Voltage Monitoring Function 
7690 pieces
IC RTC CLK/CALENDAR I2C 16SSOP
IC RTC CLK/CALENDAR SER 8-DIP
HIGH PRECISION I2C-BUS REAL-TIME
IC RTC CLK/CALENDAR SER SNT-8A
IC RTC CLK/CALENDAR PAR 24-SOIC
1560 pieces
11800 pieces
IC RTC CLK/CALENDAR PAR 24-SOP
2000 pieces
1800 pieces
IC RTC CLK/CALENDAR PAR 18-DIP
Real Time Clock Multiplexed 114byte Clock/Calendar/Alarm/Timer/Interrupt 24-Pin DIP Module
6000 pieces
I2C-bus Real-Time Clock ICs with Voltage Monitoring Function
8600 pieces
4-BIT PARALLEL I/O CALENDAR CLOCK
11800 pieces
IC RTC CAL I2C/2-WIRE SER 8SOIC
Real Time Clock/Calendar/CPU Supervisor with EEPROM | IC RTC CLK/CALENDAR I2C 8-SOIC
6000 pieces
IC RTC CLK/CALENDAR I2C 8-SOIC
IC RTC CLK/CALENDAR I2C 14-SOIC / Real Time Clock Serial 512byte Clock/Calendar/Battery Backup Automotive 14-Pin SOIC
2200 pieces
IC RTC CLK/CALENDAR I2C 8SOIC / Real Time Clock (RTC) IC Clock/Calendar I2C, 2-Wire Serial 8-SOIC (0.154", 3.90mm Width)
8000 pieces
IC RTC CLK/CALENDAR I2C 16-SOIC / Real Time Clock Serial 32Kbyte Clock/Calendar/Alarm/Battery Backup Automotive 16-Pin SOIC W
8400 pieces
33000 pieces
1220 pieces