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参数资料
| 型号： | DS1390U-3+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 26/26页 |
| 文件大小： | 0K |
| 描述： | IC RTC SPI 3WIRE W/CHRGR 10-MSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 3,000 |
| 类型： | 时钟/日历 |
| 特点： | 警报器，闰年，方波输出，涓流充电器 |
| 时间格式： | HH:MM:SS:hh（12/24 小时） |
| 数据格式： | YY-MM-DD-dd |
| 接口： | SPI |
| 电源电压： | 2.7 V ~ 3.3 V |
| 电压 - 电源，电池： | 1.3 V ~ 3.7 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-µMAX |
| 包装： | 带卷 (TR) |
DS1390–DS1394
Low-Voltage SPI/3-Wire RTCs with
Trickle Charger
9
Maxim Integrated
CAPACITANCE
(TA = +25°C)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Capacitance on All Input Pins
CIN
10
pF
Capacitance on All Output Pins
(High Impedance)
CIO
10
pF
WARNING: Negative undershoots below -0.3V while the part is in battery-backed mode can cause loss of data.
Note 1:
Limits at -40°C are guaranteed by design and not production tested.
Note 2:
All voltages are referenced to ground.
Note 3:
The use of the 250
trickle-charge resistor is not allowed at VCC > 3.63V and should not be enabled. Use of the diode is
not recommended for VCC < 3.0V.
Note 4:
Measured at VCC = typ, VBACKUP = 0V, register 0Fh = A5h.
Note 5:
Measured at VCC = typ, VBACKUP = 0V, register 0Fh = A6h.
Note 6:
Measured at VCC = typ, VBACKUP = 0V, register 0Fh = A7h.
Note 7:
SCLK, DIN, CS on DS1390/DS1391/DS1394; SCLK, and CE on DS1392/DS1393.
Note 8:
DOUT, SQW/INT (DS1390/DS1393/DS1394), SQW, and INT (DS1392).
Note 9:
The RST pin has an internal 50k
(typ) pullup resistor to VCC.
Note 10: ICCA—SCLK clocking at max frequency = 4MHz for 3V and 3.3V versions; 1MHz for 1.8V version; RST (DS1391/DS1393)
inactive. Outputs are open.
Note 11: Specified with bus inactive.
Note 12: Measured with a 32.768kHz crystal attached to X1 and X2. Typical values measured at +25°C and 3.0VBACKUP.
Note 13: With 50pF load.
Note 14: Measured at VIH = 0.7 x VDD or VIL = 0.2 x VDD, 10ns rise/fall times.
Note 15: Measured at VOH = 0.7 x VDD or VOL = 0.2 x VDD. Measured from the 50% point of SCLK to the VOH minimum of SDO.
Note 16: The parameter tOSF is the time that the oscillator must be stopped for the OSF flag to be set over the voltage range of
0
≤ VCC ≤ VCC(MAX) and 1.3V ≤ VBACKUP ≤ 5.5V.
Note 17: This delay applies only if the oscillator is enabled and running. If the EOSC bit is 1, the startup time of the oscillator is
added to this delay.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1391 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Low-Voltage SPI/3-Wire RTCs with Trickle Charger |
| DS1391U+18 | 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 10USOP - Bulk |
| DS1391U+3 | 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 10USOP - Bulk |
| DS1391U+33 | 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 10USOP - Bulk |
| DS1391U-18 | 功能描述:实时时钟 Low-V SPI/3-Wire With Trickle Charger RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
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