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参数资料
| 型号： | DS1677E+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/18页 |
| 文件大小： | 0K |
| 描述： | IC CTRLR SYSTEM PORT 20-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 74 |
| 类型： | 便携系统控制器 |
| 特点： | 警报器，闰年，监视计时器 |
| 时间格式： | HH:MM:SS（12/24 小时） |
| 数据格式： | YY-MM-DD-dd |
| 接口： | 3 线串口 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 电压 - 电源，电池： | 2.5 V ~ 3.7 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-TSSOP |
| 包装： | 管件 |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1677E+ | 功能描述:实时时钟 Portable System Controller 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 |
| DS1677E-5 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Portable System Controller(275.85 k) |
| DS1678 | 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 |
| DS1678+ | 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 |
| DS1678J | 制造商:未知厂家 制造商全称:未知厂家 功能描述:2-Input Digital Multiplexer |
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