深圳市中立信电子科技有限公司

DS1388Z-33+T&R

I2C RTC/Supervisor with Trickle Charger  and 512 Bytes EEPROM

实时时钟 I2C RTC/Supervisor w/Trickle Charger

Features DS1388Z-33+T&R

♦ 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°C to +85°C Temperature Range

♦ UL Recognized

General Description

The DS1388Z-33+T&R DS1388 I2C real-time clock (RTC), supervisor, and EEPROM is a multifunction device that provides a clock/calendar, programmable watchdog timer, powersupply monitor with reset, and 512 bytes of EEPROM. The clock provides hundredths of seconds, seconds, minutes, and hours, and operates in 24-hour or 12-hour format with an AM/PM indicator. The calendar provides day, date, month, and year information.

Applications DS1388Z-33+T&R

Portable Instruments

Point-of-Sale Equipment

Network Interface Cards

Wireless Equipment