Datasheet > 微控制器和处理器 > 计时器或实时时钟> DS1390U-33/V+

DS1390U-33/V+

更新时间： 2024-01-29 23:33:03

品牌	Logo	应用领域
美信 - MAXIM		计时器或实时时钟微控制器和处理器外围集成电路光电二极管
页数	文件大小	规格书
26页	379K
描述
Low-Voltage SPI/3-Wire RTCs with Trickle Charger

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DS1390U-33/V+ 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	SOIC	包装说明：	TSSOP, TSSOP10,.19,20
针数：	10	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8473.30.11.80
风险等级：	5.18	最大时钟频率：	0.032 MHz
信息访问方法：	SERIAL, 3-WIRE	中断能力：	Y
JESD-30 代码：	S-PDSO-G10	JESD-609代码：	e3
长度：	3 mm	端子数量：	10
计时器数量：	1	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	TSSOP	封装等效代码：	TSSOP10,.19,20
封装形状：	SQUARE	封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：	NOT SPECIFIED	电源：	3.3 V
认证状态：	Not Qualified	筛选级别：	AEC-Q100
座面最大高度：	1.1 mm	子类别：	Timer or RTC
最大供电电压：	5.5 V	最小供电电压：	2.97 V
标称供电电压：	3.3 V	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子形式：	GULL WING	端子节距：	0.5 mm
端子位置：	DUAL	最短时间：	1/100 SECOND
处于峰值回流温度下的最长时间：	NOT SPECIFIED	易失性：	NO
宽度：	3 mm	uPs/uCs/外围集成电路类型：	TIMER, REAL TIME CLOCK
Base Number Matches：	1

DS1390U-33/V+ 数据手册

19-4898; Rev 3; 8/09

Low-Voltage SPI/3-Wire RTCs with

Trickle Charger

0–DS1394

♦ 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

General Description

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

DS1390/DS1391/DS1394 and the low-voltage 3-wire

DS1392/DS1393 real-time clocks (RTCs) are clocks/cal-

endars 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 programmable time-of-day alarm is provided. A

temperature-compensated voltage reference monitors

♦ 1MHz at 1.8V

♦ Three Operating Voltages: 1.8V 5%, 3.0V 10%,

and 2.97 to 5.5V (DS1394: 3.3V 10%)

the status of V

and automatically disables the bus

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

♦ Underwriters Laboratories (UL) Recognized

interface and switches to the backup supply if a power

failure is detected. On the DS1390, a single open-drain

output provides a CPU interrupt or a square wave at

one of four selectable frequencies. The DS1391

replaces the SQW/INT pin with a RST output/

debounced input.

Ordering Information

TYP

OPERATING

VOLTAGE (V)

PIN-

PACKAGE

†

PART

TOP MARK

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 sepa-

rate interrupt pin or a RST output/debounced input.

DS1390U-18+

DS1390U-3+

DS1390U-33+

DS1390U-33/V+

DS1391U-18+

DS1391U-3+

DS1391U-33+

DS1392U-18+

DS1392U-3+

DS1392U-33+

DS1393U-18+

DS1393U-3+

DS1393U-33+

DS1394U-33+

1.8

3.0

3.3

1.8

3.0

3.3

1.8

3.0

3.3

1.8

3.0

3.3

10 μSOP

1390 rr-18

1390 rr-3

1390 rr-33

1391 rr-18

1391 rr-3

1391 rr-33

1393 rr-18

1392 rr-3

1392 rr-33

1393 rr-18

1393 rr-3

1393 rr-33

1394 rr-33

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

and are rated over the industrial temperature range.

Applications

Hand-Held Devices

GPS/Telematics Devices

Embedded Time Stamping

Medical Devices

Features

♦ Real-Time Clock Counts Hundredths of Seconds,

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

Year with Leap-Year Compensation Valid Up to

2100

Note: All devices are rated for the -40°C to +85°C operating

temperature range.

+Denotes a lead(Pb)-free/RoHS-compliant package.

/V denotes an automotive qualified part.

†A “+” anywhere on the top mark denotes a lead(Pb)-

free/RoHS-compliant package.

♦ Output Pin Configurable as Interrupt or Square

Wave with Programmable Frequency of

32.768kHz, 8.192kHz, 4.096kHz, or 1Hz

(DS1390/DS1393/DS1394 Only)

rr = Revision code on second line of top mark.

♦ One Time-of-Day Alarm

♦ Power-Fail Detect and Switch Circuitry

Typical Operating Circuits and Pin Configurations appear at

end of the data sheet.

SPI is a trademark of Motorola, Inc.

______________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...26

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与DS1390U-33/V+相关器件

型号	品牌	获取价格	描述	数据表
DS1390U-33/V+T	MAXIM	获取价格	Timer or RTC, Non-Volatile, CMOS, PDSO10,
DS1390U-33+	MAXIM	获取价格	Low-Voltage SPI/3-Wire RTCs with Trickle Charger
DS1390U-33+T&R	MAXIM	获取价格	暂无描述
DS1391	MAXIM	获取价格	Low-Voltage SPI/3-Wire RTCs with Trickle Charger
DS1391	ADI	获取价格	低电压SPI/3线接口RTC，带有涓流充电器
DS1391U-18	MAXIM	获取价格	Low-Voltage SPI/3-Wire RTCs with Trickle Charger
DS1391U-18+	MAXIM	获取价格	Low-Voltage SPI/3-Wire RTCs with Trickle Charger
DS1391U-3	MAXIM	获取价格	Low-Voltage SPI/3-Wire RTCs with Trickle Charger
DS1391U-3+	MAXIM	获取价格	Low-Voltage SPI/3-Wire RTCs with Trickle Charger
DS1391U-3+T&R	MAXIM	获取价格	Real Time Clock, Volatile, 1 Timer(s), CMOS, PDSO10, ROHS COMPLIANT, MO-187CBA, MICRO, SOP

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