RTC DS1302 real time clock module
Description:
Module voltage compatible with 3.3V / 5V, can be connected to 3.3V
or 5V SCM
3v 260mAh backup battery(not rechargeable batteries)
Crystal oscillator 32.768KHz
Working temperature 0°C to 70°C
4 positioning holes, diameter 3.1mm
Size: 44 x 23 x 1.6mm
Feature:
The real time clock has the ability of calculating prior to the
2100 second, minute,
hour, day, week, month, year, and the ability to adjust a leap year
31 8 temporary data storage RAM
Serial I / O port pin makes the least number of ways
Wide range of operating voltage 2.0V - 5.5V
When The working voltage is 2.0V, the current is less than 300nA
Read/write clock or RAM data have two transmission way: Single-byte
/ many bytes
group
8 feet DIP assembly or optional 8 feet SOIC encapsulation according
to surface
assembly
Simple 3 line interface
Optional industrial temperature range -40°C to +85°C
Dual power tube for the main power and backup power supply
TTL compatible(Vcc = 5V)
FAQ:
1. What is the delivery time?
Normally, 1-5 workdays after payment;
Special requirement orders, delivery time is negotiable.
2.If the products can’t work after receiving it,what should I do?
We will replace new items for you at once, and respect your final
decision for wrong goods.
3.If the products don’t meet my demand after I received it,can I
return it?
Yes,no problem.
You can return back to us, we will refund your full payment.
