HomedatasheetDS1307

DS1307 Datasheet

64 x 8, Serial, I2C Real-Time Clock
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Description

GENERAL DESCRIPTION
The DS1307 serial real-time clock (RTC) is a low power, full binary-coded decimal (BCD) clock/calendar plus 56 bytes of NV SRAM. Address and data are transferred serially through an I2C, bidirectional 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 backup supply. Timekeeping operation continues while the part operates from the backup supply.

FEATURES
1. 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
2. 56-Byte, Battery-Backed, General-Purpose RAM with Unlimited Writes
3. I2C Serial Interface
4. Programmable Square-Wave Output Signal 
5. Automatic Power-Fail Detect and Switch Circuitry
6. Consumes Less than 500nA in Battery-Backup Mode with Oscillator Running
7. Optional Industrial Temperature Range: -40°C to +85°C
8. Available in 8-Pin Plastic DIP or SO
9. Underwriters Laboratories (UL) Recognized

Features

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Parameters

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Manufacturer information

MAXIM INTEGRATED

Maxim Integrated provides ease of design, and speeds time to market, through analog integration. The company's analog ICs offer extra features and functionality carefully designed to streamline circuit and simplify design. Look to Maxim for solutions for consumer electronics, personal computers and peripherals, mobile devices, wireless and fiber communications, test equipment, instrumentation, video displays, and automotive applications. Maxim’s analog and mixed-signal solutions include data converters, interface circuits, power, RF wireless circuits, clocks and oscillators, microcontrollers (MCUs), operational amplifiers (op amps), and sensors.

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