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Hello. Welcome to Futurlec. The ELECTRONIC COMPONENTS Superstore. To find the component your looking for, either search by Part Number or visit the relative department.
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Dallas Semiconductor

DS1307 - 3-Wire/SPI Serial Interface Trickle Charge Real-Time Clock
Photograph
DS1307 Dallas Semiconductor IC
Features
Real-time clock counts seconds, minutes, hours, date, month, day, year, and leap year to 2100
56-bytes general-purpose NV RAM
Accuracy > 2 minutes/month at 25oC
Automatic power management circuitry
2-wire serial interface
Programmable square wave output signal
Uses <300nA in backup mode with oscillator running

Pin Description
Pin Number Description
1 X1 - 32.768kHz Crystal Connection
2 X2 - 32.768kHz Crystal Connection
3 Vbat - +3V Battery Input
4 GND - Ground
5 SDA - Serial Data
6 SCLK - Serial Clock
7 SQW/OUT - Squarewave Output
8 Vcc - Primary Power Supply
Pin Layout
DS1307 Dallas Semiconductor IC

Dimensional Drawing
DIP 8 Dimension Drawing

DIP 8 Dimension Drawing


Technical Data
Data Sheet
Dallas Semiconductor - Data Sheet for DS1307

Application Notes
Interfacing the DS1307 with an 8051-Compatible Microcontroller
Crystal Considerations with Dallas Real-Time Clocks
Using the DS32kHz with Dallas RTC's
Design Considerations for Dallas Real-Time Clocks



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