HomedatasheetDS1390U-33

DS1390U-33 Datasheet

Low-Voltage SPI/3-Wire RTCs with Trickle Charger
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Description

General Description
The low-voltage serial-peripheral interface (SPI™) DS1390/DS1391 and the low-voltage 3-wire DS1392/DS1393 real-time clocks (RTCs) are clocks/calendars that provide hundredths of a second, seconds, minutes, hours, day, date, month, and year information.

Features
♦Reset Output/Debounced Input (DS1391/DS1393)
♦Separate SQW and INT Output (DS1392)
♦Trickle-Charge Capability
♦SPI Supports Modes 0 and 2 (DS1394)
♦SPI Supports Modes 1 and 3 (DS1390/DS1391)
♦3-Wire Interface (DS1392/DS1393)
♦4MHz at 3.0V and 3.3V
♦1MHz at 1.8V
♦Three Operating Voltages: 1.8V ±5%, 3.0V ±10%, and 2.97 to 5.5V (DS1394: 3.3V ±10%)
♦Industrial Temperature Range: -40°C to +85°C
♦Underwriters Laboratories (UL) Recognized

Features

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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