DS1307 Integrated Circuit

The DS1307 Integrated Circuit from Chawla Electronic is Serial Real-Time Clock is a low-power, full binary-coded decimal clock plus 56 bytes of NV SRAM.



The DS1307 Serial Real-Time Clock is a low-power, full binary-coded decimal (BCD) clock/calendar plus 56 bytes of NV SRAM. Address and data are transferred serially via a 2-wire, bi-directional bus. The clock/calendar provides seconds, minutes, hours, day, date, month, and year information. The end of the month date is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with AM/PM indicator. The DS1307 has a built-in power sense circuit that detects power failures and automatically switches to the battery supply. 

Features:-

 Real-time clock (RTC) counts seconds, minutes, hours, date of the month, month, day of the week, and year with leap-year compensation valid up to 2100 

 56-byte, battery-backed, nonvolatile (NV) RAM for data storage 

 Two-wire serial interface 

 Programmable square wave output signal 

 Automatic power-fail detect and switch circuitry 

 Consumes less than 500 nA in battery backup mode with oscillator running 

 Optional industrial temperature range: -40°C to +85°C 

 Available in 8-pin DIP or SOIC 

 Underwriters Laboratory (UL) recognized

Specification:-

ParameterSpecification
Voltage on Any Pin Relative to Ground -0.5V to +7.0V
Storage Temperature-55°C to +125°C 
 Soldering Temperature 260°C for 10 seconds


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