HALJIA DS1302 Real Time Clock Module Compatible with Arduino AVR ARM PIC SMD

Description

Real-time clock with energy clculations before 2100 seconds, minutes, hours, day, week, month, year capacity, as well as the ability to leap year adjustment serial I / O ports such a way that a minimum number of pins Wide operating voltage range 2.0 5.5V 2.0V, operating current of less than 300nA Read / write clock or RAM data transfer mode, there are two single-byte and multi-byte transfer mode transmission character set 8-pin DIP package or an optional 8-pin SOIC surface mount package under Simple 3-wire interface Vcc = 5V and TTL compatible Optional industrial temperature range of -40 to +85 Dual power tubes used for the main power supply and backup power supply