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參數(shù)資料
| 型號： | DS1677E |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Timer or RTC |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO20 |
| 封裝： | 4.40 MM, TSSOP-20 |
| 文件頁數(shù)： | 9/18頁 |
| 文件大?。?/td> | 224K |
| 代理商： | DS1677E |
DS1677
17 of 18
POWER-FAIL WARNING Figure 14
NOTES:
1. All voltages are referenced to ground.
2. ICCA is specified with outputs open, CS set to a logic 1, SCLK = 500kHz, oscillator enabled, and ADC
enabled.
3. IADC is specified with CS, VCCO open and I/O, SCLK at logic 0. ADC is enabled.
4. ICCS is specified with CS, VCCO open and I/O, SCLK at logic 0. ADC is disabled.
5. CS has a 40k
pulldown resistor to ground.
6. Measured at VIH = 2.0V or VIL = 0.8V and 10ns maximum rise and fall time.
7. Measured at VOH = 2.4V or VOL = 0.4V.
8. Load capacitance = 25pF.
9. ICCO = 100mA, VCC > VCCTP.
10. VCCO switchover from VCC to VBAT occurs when VCC drops below the lower of VCCSW and VBAT.
11. Current from VCC input pin to VCCO output pin.
12. Current from VBAT input pin to VCCO output pin.
13. Time base is generated by very accurate crystal oscillator. Accuracy of this time period is based on
the crystal that is used. A typical crystal with a specified load capacitance of 6pF will provide an
accuracy within
100ppm over the 0C to +70C temperature range. For greater accuracy, refer to the
DS32kHz data sheet.
14. If the EOSC bit in the Control Register is set to a logic 1, tRPU is equal to 250ms plus the startup time
of the crystal oscillator.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1677E+ | 功能描述:實時時鐘 Portable System Controller 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 時間格式:HH:MM:SS RTC 存儲容量: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 |
| DS1677E-5 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Portable System Controller(275.85 k) |
| DS1678 | 功能描述:實時時鐘 Real-Time Event Recorder 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 時間格式:HH:MM:SS RTC 存儲容量: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 |
| DS1678+ | 功能描述:實時時鐘 Real-Time Event Recorder 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 時間格式:HH:MM:SS RTC 存儲容量: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 |
| DS1678J | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2-Input Digital Multiplexer |
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