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参数资料
| 型号： | DS1678K |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 20/25页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL RT EVENT RECORD DS1678 |
| 标准包装： | 1 |
DS1678 Real-Time Event Recorder
4 of 25
Note 1:
Limits at -40
C are guaranteed by design and not production tested.
Note 2:
All voltages referenced to ground.
Note 3:
After this period, the first clock pulse is generated.
Note 4:
A device must initially provide a hold time of at least 300ns for the SDA signal to bridge the undefined region of the falling edge
of SCL. The maximum tHD:DAT need only be met if the device does not stretch the LOW period (tLOW) of the SCL signal.
Note 5:
A fast-mode device can be used in a standard-mode system, but the requirement tSU:DAT > 250ns must then be met. This is
automatically the case if the device does not stretch the LOW period of the SCL signal. If such a device does stretch the LOW
period of the SCL signal, it must output the next data bit to the SDA line tR(MAX) + tSU:DAT = 1000 + 250 = 1250ns before the SCL
line is released.
Note 6:
CB—Total capacitance of one bus line in pF.
Note 7:
tR and tF are measured with a 1.7k pullup resistor, 200pF pullup capacitor, 1.7k pulldown resistor, and 5pF
pulldown capacitor.
I
2C COMMUNICATION TIMING DIAGRAM
SU:STO
t
HD:STA
t
t SU:STA
SU:DAT
t
tHIGH
R
t
tLOW
tHD:STA
SCL
START
SDA
STOP
tBUF
tF
REPEATED
START
tHD:DAT
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1678S | 功能描述:实时时钟 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 |
| DS1678S/T&R | 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 32BYTE 8SOIC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC RECORDER REALTIME EVENT 8SOIC |
| DS1678S/T&R | 功能描述:IC RECORDER REALTIME EVENT 8SOIC RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 实时时钟 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- 类型:时钟/日历 特点:警报器，闰年，SRAM 存储容量:- 时间格式:HH:MM:SS（12/24 小时） 数据格式:YY-MM-DD-dd 接口:SPI 电源电压:2 V ~ 5.5 V 电压 - 电源，电池:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-WDFN 裸露焊盘 供应商设备封装:8-TDFN EP 包装:管件 |
| DS1678S+ | 功能描述:实时时钟 Real-Time Event Recorder 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 |
| DS1678S+T&R | 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 32BYTE 8SOIC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC REAL TIME EVENT REC 8-SOIC 制造商:Maxim Integrated Products 功能描述:Real Time Clock Real-Time Event Recorder |
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