Product 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

Feature

Module operating voltage compatible 3.3V/5V, can be connected with 5V and 3.3V microcontroller
DS1302 is made large 8-pin DIP chip, chip below IC socket for easy replacement and swap chips
Backup battery is genuine celestial CR2032, Voltage 3V, current 260mAh, non-rechargeable batteries. Theoretical data retention time is more than 10 years!
Crystal 32.768KHz, matching capacitance 6pF, size 2 * 6mm
Brand : Hengjiaan
Item model num : 1
MPN(PartNumber) : 1
EAN : 0601308685793
Package Dimensions(LxWxH) : 9x6x1cm ; 18 g

Attention for order international goodsAll items are delivered from oversea(USA,KOREA,JAPAN,Malaysia)DirectlyDelivery would be done local shipping company in country of Production Place and Qxpress or POST in singaporeTotal shipping takes 7~14 working daysThe item from the third country could take 2 week more than normal delivery in transitNo exchange or Return is Allowed because of simple mind change Such Return or exchange is ly allowed for the reason below Major defect is discovered Wrong item is Delivered If you want to retunr or exchage at you cost, kindly Contact us via email Please check when you return the item just for changing your mind, you could be charge return cost (orginal + return shipping , duty, and etc) You should let us know within 7 days from the date you received the item if you'd like to get a refund for the item About Votage of electronics The voltage of most electronics goods listed on our shop is 110V Need transfomer to use US electronics We cannot accept return for dameged electronic item because of not using transfomer