Vender Generic PCF8563 PCF8563T 8563 IIC Real Time Clock RTC Module For al mejor precio

Realtime clock module based on the NXP PCF8563T a programmable, I2C communicating up to 400KHz / 400Kb/S, high precision real time clock chipset. It offers multiple functions such as external programmable clock output, alarm, timer, it features and external quartz and a backup battery. More steady and precise than DS1302 or DS1307 Description: The PCF8563 RTC Board provides the real-time clock/calendar function, which can be driven by a battery on board and works independently even when the MCU is turned off. Low-cost, extremely accurate I2C real-time clock (RTC) More steady and precise than DS1302 or DS1307 Support I2C bus (by pin, row seat docking method, which can use multiple I2C module) Wide voltage range: 1.0-5.5V Typical value: 0.25uA Output frequency: 32.768KHz, 1024Hz, 32Hz, 1Hz 4 kinds of real-time clock/calendar functions Package includes: 1x PCF8563 RTC Board 1x 3.3V Button battery 1x Pin header