Datasheet > DS1393

DS1393

更新时间： 2023-12-20 18:44:24

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
27页	845K
描述
低电压SPI/3线接口RTC，带有涓流充电器

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DS1393 数据手册

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DS1390–DS1394

Low-Voltage SPI/3-Wire RTCs

with Trickle Charger

General Description

Features

The low-voltage serial-peripheral interface (SPI™)

DS1390/DS1391/DS1394 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.

The date at the end of the month is automatically adjusted

for months with fewer than 31 days, including corrections

for leap year. The clock operates in either the 24-hour or

12-hour format with an AM/PM indicator. One program-

mable time-of-day alarm is provided. A temperature-com-

● Real-Time Clock Counts Hundredths of Seconds,

Seconds, Minutes, Hours, Day, Date, Month, and

Year with Leap-Year Compensation Valid Up to 2100

● Output Pin Configurable as Interrupt or Square

Wave with Programmable Frequency of 32.768kHz,

8.192kHz, 4.096kHz, or 1Hz (DS1390/DS1393/

DS1394 Only)

● One Time-of-Day Alarm

● Power-Fail Detect and Switch Circuitry

● Reset Output/Debounced Input (DS1391/DS1393)

● Separate SQW and INT Output (DS1392)

● Trickle-Charge Capability

pensated voltage reference monitors the status of V

and automatically disables the bus interface and switches

to the backup supply if a power failure is detected. On the

DS1390, a single open-drain output provides a CPU inter-

rupt or a square wave at one of four selectable frequen-

cies. The DS1391 replaces the SQW/INT pin with a RST

output/debounced input.

● 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

The DS1390, DS1391, and DS1394 are programmed

serially through an SPI-compatible, bidirectional bus. The

DS1392 and DS1393 communicate over a 3-wire serial

bus, and the extra pin is used for either a separate inter-

rupt pin or a RST output/debounced input.

● 1MHz at 1.8V

● Three Operating Voltages: 1.8V ±5%, 3.0V ±10%,

and 2.97 to 5.5V (DS1394: 3.3V ±10%)

All five devices are available in a 10-pin µSOP package,

and are rated over the industrial temperature range.

● Industrial Temperature Range: -40°C to +85°C

● Underwriters Laboratories (UL) Recognized

Applications

● Hand-Held Devices

● GPS/Telematics Devices

● Embedded Time Stamping

● Medical Devices

Ordering Information appears at end of the data sheet.

Typical Operating Circuits appear at end of the data sheet.

SPI is a trademark of Motorola, Inc.

19-4898; Rev 5; 7/19

12 3 4 5 6 7...27

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与DS1393相关器件

型号	品牌	获取价格	描述	数据表
DS1393U-18	MAXIM	获取价格	Low-Voltage SPI/3-Wire RTCs with Trickle Charger
DS1393U-18+	MAXIM	获取价格	Low-Voltage SPI/3-Wire RTCs with Trickle Charger
DS1393U-18+T&R	MAXIM	获取价格	Real Time Clock, Non-Volatile, 1 Timer(s), CMOS, PDSO10, MO-187CBA, MICRO, SOP-10
DS1393U-3	ROCHESTER	获取价格	1 TIMER(S), REAL TIME CLOCK, PDSO10, MO-187CBA, MICRO, SOP-10
DS1393U-3	MAXIM	获取价格	Low-Voltage SPI/3-Wire RTCs with Trickle Charger
DS1393U-3+	MAXIM	获取价格	Low-Voltage SPI/3-Wire RTCs with Trickle Charger
DS1393U-33	MAXIM	获取价格	Low-Voltage SPI/3-Wire RTCs with Trickle Charger
DS1393U-33	ROCHESTER	获取价格	1 TIMER(S), REAL TIME CLOCK, PDSO10, MO-187CBA, MICRO, SOP-10
DS1393U-33+	MAXIM	获取价格	Low-Voltage SPI/3-Wire RTCs with Trickle Charger
DS1394	MAXIM	获取价格	Low-Voltage SPI/3-Wire RTCs with Trickle Charger

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