Real Time Clock Module, RX8804CE XB, Built-In DTCXO, with Internal State Output Function, 1 Time Stamp, Frequency Stability ±8ppm, I2C-Bus

Real Time Clock Module, RX8111CE A, Built-In RAM 8Bit x 64Word(512Bit), Auto Power Switching,8 Time Stamps, Frequency Tolerance ±11.5ppm, I2C-Bus

Real Time Clock Module, RX4111CE A, Built-In RAM 8Bit x 64Word(512Bit), Auto Power Switching,8 Time Stamps, Frequency Tolerance ±11.5ppm, SPI-4 Wire

Real Time Clock, 113 Bytes RAM Parallel/Multiplexer, Integrates a Quartz Crystal and Lithium Energy Source

Real Time Clock, 31 Bytes RAM, 3-Wire Serial, Trickle Charge Timekeeping Chip, 8PIN DIP (300-mil)

64x8 Serial Real Time Clock, 56 Bytes RAM 2-Wire Serial

64x8 Serial Real Time Clock, 56 Bytes RAM 2-Wire, Bi-Directional Bus

Real Time Clock, 31Bytes RAM, 3-Wire Serial, Trickle Charge Timekeeping Chip, 8PIN SOIC (150-mil)

RTC Extremely Accurate I2C-Integrate RTC/TCXO/CRYSTAL

64 x 8, Serial, I2C Real-Time Clock, 56 Bytes of NV SRAM

Trickle-Charge Timekeeping Chip, Real-Time Clock/ Calendar and 31 Bytes of Static RAM, 24-hour or 12-hour Mode, 3-Wire Interface

Extremely Accurate I2C Real-Time Clock (RTC), Integrated Temperature-Compensated Crystal Oscillator (TCXO) and Crystal

I2C RTC/Supervisor with Trickle Charger, EEPROM 512Bytes, provides Clock/Calendar, Watchdog Timer, Power-supply Monitor with Reset, Supply Voltage 5V

I2C Bus Serial Interface RTC(Real Time Clock) With High-Precision Oscillation Adjustment

Real Time Clock/Calendar/CPU Supervisor with EEPROM, 512x 8 Bit, I2C Interface Battery Switch or Super Cap Input

CMOS LIS Real Time Watch with Calendar,Alarm,Timer I2C Interface,