參數(shù)資料
型號(hào)： DS1393U-18+T&R
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 4/26頁(yè)
文件大?。?/td> 0K
描述： IC RTC W/CHARGER 10-USOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 3,000
類型： 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： 3 線串口
電源電壓： 1.71 V ~ 1.89 V
電壓 - 電源，電池： 1.3 V ~ 3.7 V
工作溫度： -40°C ~ 85°C
安裝類型： 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： 帶卷 (TR)
DS1390–DS1394
Low-Voltage SPI/3-Wire RTCs with
Trickle Charger
12
Maxim Integrated
Detailed Description
The DS1390–DS1394 RTCs are low-power clocks/calen-
dars with alarms. Address and data are transferred seri-
ally through a 4-wire SPI interface for the DS1390 and
DS1391 and through a 3-wire interface for the DS1392,
DS1393, and DS1394. The DS1390/DS1391 operate as a
slave device on the SPI serial bus. The DS1392/DS1393
operate using a 3-wire synchronous serial bus. Access is
obtained by selecting the part by the CS pin (CE on
DS1392/DS1393) and clocking data into/out of the part
using the SCLK and DIN/DOUT pins (I/O on
DS1392/DS1393). Multiple-byte transfers are supported
within one CS low period (see the
SPI Serial-Data Bus
section). The clocks/calendars provide hundredths of
seconds, seconds, minutes, hours, day, date, month,
and year information. The alarm functions are performed
off all timekeeping registers, allowing the user to set high
resolution alarms. The date at the end of the month is
automatically adjusted for months with fewer than 31
days, including corrections for leap year. The clocks
operate in either the 24-hour or 12-hour format with an
AM/PM indicator. All five devices have a built-in tempera-
ture-compensated voltage reference that detects power
failures and automatically switches to the battery supply.
Additionally, the devices can provide trickle charging of
the backup voltage source, with selectable charging
resistance and diode voltage drops.
Functional Diagram
BUS
INTERFACE
VCC LEVEL DETECT,
POWER SWITCH,
WRITE PROTECT,
TRICKLE CHARGER
(DS1390/91/94) DIN
(DS1390/91/94) DOUT
(DS1392/93) I/O
X2
SCLK
VCC
GND
VBACKUP
X1
(DS1390/91/94) CS
(DS1392/93) (CE)
SQUARE-WAVE RATE
SELECTOR, INT, MUX,
RST OUTPUT
HUNDREDTHS-OF-
SECONDS
GENERATOR
REAL-TIME CLOCK
WITH HUNDREDTHS
OF SECONDS
TRICKLE REGISTER
SQW/INT (DS1390/93/94)
CONTROL/STATUS
REGISTERS
ALARM REGISTERS
RST (DS1391)
SQW (DS1392)
DS1390/DS1391/
DS1392/DS1393/DS1394
CL
N
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1393U-3 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 10USOP - Bulk
DS1393U-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
DS1393U-33 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
DS1393U-33+ 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
DS1394 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Low-Voltage SPI/3-Wire RTCs with Trickle Charger
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