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  • MAXIM/美信 DS1390U-33+T&R MSOP-10 實時時鐘 原裝現貨 價格優勢
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MAXIM/美信 DS1390U-33+T&R MSOP-10 實時時鐘 原裝現貨 價格優勢

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新聞詳細
制造商: Analog Devices Inc. 
產品種類: 實時時鐘 
RoHS:  詳細信息 
安裝風格: SMD/SMT 
封裝 / 箱體: uSOP-10 
RTC 總線接口: Serial 
日期格式: YY-MM-DD-dd 
時間格式: HH:MM:SS:hh (12 hr, 24 hr) 
電池備用開關: Backup Switching 
電源電壓-最大: 5.5 V 
電源電壓-最小: 2.97 V 
最小工作溫度: - 40 C 
最大工作溫度: + 85 C 
封裝: Reel 
封裝: Cut Tape 
封裝: MouseReel 
商標: Analog Devices / Maxim Integrated 
功能: Alarm, Calendar, Clock, Trickle Charger 
產品類型: Real Time Clocks 
系列: DS1390U 
3000 
子類別: Clock & Timer ICs 
零件號別名: DS1390U 90-1390U+33T 
單位重量: 23 mg
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 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 separate interrupt pin or a RST output/debounced input.
All five devices are available in a 10-pin μSOP package,
and are rated over the industrial temperature range.
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