China Ds1302 Clock Module with Battery

DS1302 Clock Module with Battery Real-Time Clock Module RTC for Arduino

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
Features:

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

simple

3-wire interfacecompatible with TTL Vcc = 5V

Optional industrial temperature range -40 +85

dual power supply for the main power supply and backup power supply

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 °

Our advantages:
Factory
OEM supported
Short time delivery
Flexible payment
Aftersale service guarantee
Hardware&software technicians supported

Technician: We treat every piece of our product as our kid. Factory: well trained colleagues, over 200 people.

Sales team: Strong&united sales teamWarehouse: Well arrangement makes work happy&effective.
Certificates
STRC certificate, we has been electronics golden supplier for years.
FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent,
we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: Full payment. Goods would be shipped in 3-5 work days after payment received, finally depends on quantities.
Q3. What is your terms of delivery?
A: EXW.
Q4. How about your delivery time?
A: Generally, goods would be shipped in 3-5 work days after payment received, finally depends on order quantities.
Q5. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q6. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Feel free to contact me if you have any question.