DS1602 Overview
RST CLK - Reset - Clock DQ - Data Input/Output GND - Ground X1, X2 - Crystal Inputs DESCRIPTION VBAT VCC - + Battery Input - +5V The DS1602 is a real-time clock/elapsed time counter designed to count seconds when VCC power is applied and continually count seconds under battery backup power with an additional counter regardless of the condition of VCC. The continuous counter can be used to derive time of day, week,...
DS1602 Key Features
- Two 32-bit counters keep track of real-time
- Counters keep track of seconds for over 125
- Battery powered counter counts seconds from
- VCC powered counter counts seconds while
- Clear function resets selected counter to 0
- Read/write serial port affords low pin count
- Maximum current drain of less than 1 µA
- One byte protocol defines read/write, counter
- 8-pin DIP or optional 8-pin SOIC
- Underwriters Laboratory (UL) recognized