參數(shù)資料
型號(hào)： DS1390U-3+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 1/26頁(yè)
文件大?。?/td> 0K
描述： IC RTC SPI/3WIRE LV 10-USOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 50
類(lèi)型： 時(shí)鐘/日歷
特點(diǎn)： 警報(bào)器，閏年，方波輸出，涓流充電器
時(shí)間格式： HH:MM:SS:hh（12/24 小時(shí)）
數(shù)據(jù)格式： YY-MM-DD-dd
接口： SPI
電源電壓： 2.7 V ~ 3.3 V
電壓 - 電源，電池： 1.3 V ~ 3.7 V
工作溫度： -40°C ~ 85°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 10-TFSOP，10-MSOP（0.118"，3.00mm 寬）
供應(yīng)商設(shè)備封裝： 10-µMAX
包裝： 管件
產(chǎn)品目錄頁(yè)面： 1434 (CN2011-ZH PDF)
19-4898; Rev 4; 10/12
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
DS1390–DS1394
Low-Voltage SPI/3-Wire RTCs with
Trickle Charger
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
the status of VCC 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 interrupt or a square wave at
one of four selectable frequencies. The DS1391
replaces the SQW/INT pin with a RST output/
debounced input.
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.
All five devices are available in a 10-pin SOP package,
and are rated over the industrial temperature range.
Applications
Hand-Held Devices
GPS/Telematics Devices
Embedded Time Stamping
Medical Devices
Features
o Real-Time Clock Counts Hundredths of Seconds,
Seconds, Minutes, Hours, Day, Date, Month, and
Year with Leap-Year Compensation Valid Up to
2100
o Output Pin Configurable as Interrupt or Square
Wave with Programmable Frequency of
32.768kHz, 8.192kHz, 4.096kHz, or 1Hz
(DS1390/DS1393/DS1394 Only)
o One Time-of-Day Alarm
o Power-Fail Detect and Switch Circuitry
o Reset Output/Debounced Input (DS1391/DS1393)
o Separate SQW and INT Output (DS1392)
o Trickle-Charge Capability
o SPI Supports Modes 0 and 2 (DS1394)
o SPI Supports Modes 1 and 3 (DS1390/DS1391)
o 3-Wire Interface (DS1392/DS1393)
o 4MHz at 3.0V and 3.3V
o 1MHz at 1.8V
o Three Operating Voltages: 1.8V ±5%, 3.0V ±10%,
and 2.97 to 5.5V (DS1394: 3.3V ±10%)
o Industrial Temperature Range: -40°C to +85°C
o Underwriters Laboratories (UL) Recognized
Ordering Information
Typical Operating Circuits and Pin Configurations appear at
end of the data sheet.
Note: All devices are rated for the -40°C to +85°C operating
temperature range.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
A “+” anywhere on the top mark denotes a lead(Pb)-
free/RoHS-compliant package.
rr = Revision code on second line of top mark.
PART
TYP
OPERATING
VOLTAGE (V)
PIN-
PACKAGE
TOP MARK
DS1390U-18+
1.8
10 SOP
1390 rr-18
DS1390U-3+
3.0
10 SOP
1390 rr-3
DS1390U-33+
3.3
10 SOP
1390 rr-33
DS1391U-18+
1.8
10 SOP
1391 rr-18
DS1391U-3+
3.0
10 SOP
1391 rr-3
DS1391U-33+
3.3
10 SOP
1391 rr-33
DS1392U-18+
1.8
10 SOP
1393 rr-18
DS1392U-3+
3.0
10 SOP
1392 rr-3
DS1392U-33+
3.3
10 SOP
1392 rr-33
DS1393U-18+
1.8
10 SOP
1393 rr-18
DS1393U-3+
3.0
10 SOP
1393 rr-3
DS1393U-33+
3.3
10 SOP
1393 rr-33
DS1394U-33+
3.3
10 SOP
1394 rr-33
SPI is a trademark of Motorola, Inc.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1390U-3+ 功能描述:實(shí)時(shí)時(shí)鐘 Low-V SPI/3-Wire With Trickle Charger RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線(xiàn)接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1390U-3+T&R 制造商:Maxim Integrated Products 功能描述:DS1390U-3 RTC 3V USOP T&R PB-FRE - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC RTC SPI 3WIRE W/CHRGR 10-MSOP
DS1390U-3+T&R 功能描述:實(shí)時(shí)時(shí)鐘 Low-V SPI/3-Wire With Trickle Charger RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線(xiàn)接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1390U-33 功能描述:實(shí)時(shí)時(shí)鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線(xiàn)接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1390U-33/V+ 制造商:MAXIM 制造商全稱(chēng):Maxim Integrated Products 功能描述:Low-Voltage SPI/3-Wire RTCs with Trickle Charger
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