DS1302 real-time clock module with battery CR2032

DS1302 real-time clock module with battery CR2032 property: Clock time is the ability to calculate the seconds, minutes, hours, days, weeks, months and years before 2100, including the ability to leap year adjustment. 318-bit data storage RAM retention. Port I / O Serial numbers peg minimum. Wide working voltage range of 2 5.5V. When electricity runs at 2.0V less than 300nA. When the read / write clock or RAM data transmission has two modes of data transmission is a single-byte character sets and multi-byte transfer. 8 feet, DIP or SOIC package measuring 8 feet by assembling surface. A simple 3-wire interface. TTL compatible Vcc = 5V Industrial temperature range of -40 to + 85 option. Power supply and dual redundant power supply. Details: PCB is a single panel size: 44mm * 23mm * 1.6mm. There are 4 holes the diameter of 3.1 mm. Battery standby is authentic CR2032, Voltage 3V, current 260mAh, non-rechargeable battery. Theoretical data storage for over 10 years! Crystal oscillator Slater 32.768KHz Japan imported crystal oscillator Slater matching capacity 6pF, 2 * 6 mm. DS1302 8 feet directly in the chip, the chip has a seat IC, easy to change and replace the chip. Voltage module is compatible with 3.3V / 5V and can be connected to a microcomputer 5V and 3.3V on. Operating temperature: 0 --- 70 C.