DS1302 Real Time Clock Module with CR2032 Battery

DS1302 Real Time Clock Module with CR2032 Battery

real-time clock with 2100 can be calculated before the seconds, minutes, hours, days, weeks, months, years of ability, as well as leap year adjustment




 31 8-bit temporary data storage RAM
 Serial I / O port mode makes the pin count the least
Wide operating voltage 2.0V
 working current 2.0V, less than 300nA
Read / write clock or RAM data, there are two transfer methods Single byte transfer and multi-byte transmission character group mode
8-pin DIP package or optional 8-pin SOIC package according to surface mount
3-wire interface   compatible with TTL Vcc = 5V
Optional industrial temperature range -40 +85
dual power supply for the main power supply and backup power supply

Ds1302 Clock Module with Battery

1.PCB for the single-panel, size: 44mm * 23mm * 1.6mm

2. With 4 positioning holes, diameter 3.1mm
3. Backup battery for the authentic celestial sphere CR2032, voltage 3V, current 260mAh, non-rechargeable battery. Theoretical data retention time greater than 10 years!
4. Crystal 32.768KHz, Japan imported crystal, matching capacitance of 6pF, size 2 * 6mm
5.DS1302 8-pin plug-in large chip made, the chip below IC Block, easy to replace and plug the chip
6. Module operating voltage is compatible with 3.3V / 5V, and 5V and 3.3V single-chip connection
7. Operating temperature: 0 ° — 70 °