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DS1302N Datasheet (PDF) - Dallas Semiconductor

DS1302N Datasheet PDF - Dallas Semiconductor
Part No. DS1302N
Download  DS1302N Click to view

File Size   217.3 Kbytes
Page   14 Pages
Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor
Description Trickle Charge Timekeeping Chip

DS1302N Datasheet (PDF)

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DS1302N Datasheet PDF - Dallas Semiconductor

Part No. DS1302N
Download  DS1302N Click to view

File Size   217.3 Kbytes
Page   14 Pages
Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor
Description Trickle Charge Timekeeping Chip

DS1302N Datasheet (HTML) - Dallas Semiconductor

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DS1302N Product details

DETAILED DESCRIPTION
The DS1302 trickle-charge timekeeping chip contains a real-time clock/calendar and 31 bytes of static RAM. It communicates with a microprocessor via a simple serial interface. The real-time 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 an AM/PM indicator.
Interfacing the DS1302 with a microprocessor is simplified by using synchronous serial communication. Only three wires are required to communicate with the clock/RAM: CE, I/O (data line), and SCLK (serial clock). Data can be transferred to and from the clock/RAM 1 byte at a time or in a burst of up to 31 bytes. The DS1302 is designed to operate on very low power and retain data and clock information on less than 1µW.
The DS1302 is the successor to the DS1202. In addition to the basic timekeeping functions of the DS1202, the DS1302 has the additional features of dual power pins for primary and backup power supplies, programmable trickle charger for VCC1, and seven additional bytes of scratchpad memory.

FEATURES
■ Real-Time Clock Counts Seconds, Minutes,
   Hours, Date of the Month, Month, Day of the
   Week, and Year with Leap-Year
   Compensation Valid Up to 2100
■ 31 x 8 RAM for Scratchpad Data Storage
■ Serial I/O for Minimum Pin Count
■ 2.0V to 5.5V Full Operation
■ Uses Less than 300nA at 2.0V
■ Single-Byte or Multiple-Byte (Burst Mode)
   Data Transfer for Read or Write of Clock or
   RAM Data
■ 8-Pin DIP or Optional 8-Pin SO for Surface
   Mount
■ Simple 3-Wire Interface
■ TTL-Compatible (VCC = 5V)
■ Optional Industrial Temperature Range:
   -40°C to +85°C
■ DS1202 Compatible
■ Underwriters Laboratory (UL) Recognized



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About Dallas Semiconductor


Dallas Semiconductor was an American company that was founded in 1984 and was a supplier of mixed-signal and digital semiconductors.
The company was headquartered in Dallas, Texas, and was known for its innovative products and technology in the field of real-time clocks, temperature sensors, and other integrated circuits.
In 2002, Dallas Semiconductor was acquired by Maxim Integrated, a multinational semiconductor company, and became a subsidiary of Maxim.
The Dallas Semiconductor brand is no longer in use, but its products and technology continue to be a part of Maxim's portfolio.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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