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參數(shù)資料
| 型號： | DS1673E-5+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 11/18頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CTRLR SYSTEM PORT 5V 20-TSSOP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 74 |
| 類型： | 便攜系統(tǒng)控制器 |
| 特點： | 警報器，閏年，監(jiān)視計時器 |
| 時間格式： | HH:MM:SS（12/24 小時） |
| 數(shù)據(jù)格式： | YY-MM-DD-dd |
| 接口： | 3 線串口 |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 電壓 - 電源，電池： | 2.5 V ~ 3.7 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-TSSOP（0.173"，4.40mm 寬） |
| 供應商設備封裝： | 20-TSSOP |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1434 (CN2011-ZH PDF) |
DS1673
2 of 18
DETAILED DESCRIPTION
The microprocessor monitor circuitry of the DS1673 provides three basic functions. First, a precision
temperature-compensated reference and comparator circuit monitors the status of VCC. When an out-of-
tolerance condition occurs, an internal power-fail signal is generated which forces the reset to the active
state. When VCC returns to an in-tolerance condition, the reset signals are kept in the active state for
250 ms to allow the power supply and processor to stabilize. The second microprocessor monitor function
is pushbutton reset control. The DS1673 debounces a pushbutton input and guarantees an active reset
pulse width of 250 ms. The third function is a watchdog timer. The DS1673 has an internal timer that
forces the reset signals to the active state if the strobe input is not driven low prior to watchdog timeout.
The DS1673 also provides a 3-channel, 8-bit successive approximation analog-to-digital converter. The
converter has an internal 2.55V (typical) reference voltage generated by an on-board band-gap circuit.
The ADC is monotonic (no missing codes) and has an internal analog filter to reduce high frequency
noise.
OPERATION
The block diagram in Figure 1 shows the main elements of the DS1673. The following paragraphs
describe the function of each pin.
DS1673 BLOCK DIAGRAM Figure 1
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS1673E-5/T&R | 制造商:Maxim Integrated Products 功能描述:IC CTRLR SYSTEM PORT 5V 20-TSSOP |
| DS1673E-5/T&R | 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: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1673E-5/TR | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Portable System Controller |
| DS1673E-5+ | 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: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1673E-5+T&R | 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 20TSSOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC CTRLR SYSTEM PORT 5V 20-TSSOP 制造商:Maxim Integrated Products 功能描述:Real Time Clock Portable System Controller |
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