DS1388Z-33+T&R.pdf

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Features ♦ Fast (400kHz) I2C Interface ♦ RTC Counts Hundredths of Seconds, Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap Year Compensation Valid Up to 2100 ♦ Programmable Watchdog Timer ♦ Automatic Power-Fail Detect and Switch Circuitry ♦ Reset Output with Pushbutton Reset Input Capability ♦ 512 x 8 Bits of EEPROM ♦ Integrated Trickle-Charge Capability for Backup Supply ♦ Three Operating Voltages: 5.0V, 3.3V, and 3.0V ♦ Low Timekeeping Voltage Down to 1.3V ♦ -40¡ãC to +85¡ãC Temperature Range ♦ UL Recognized

Applications Portable Instruments Point-of-Sale Equipment Network Interface Cards Wireless Equipment