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參數(shù)資料
| 型號： | DS2404B |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 16/29頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ECONORAM TIMECHIP 5.5V 16SSOP |
| 標(biāo)準(zhǔn)包裝： | 77 |
| 系列： | EconoRAM |
| 類型： | 二進制計數(shù)器 |
| 特點： | 警報器，方波輸出 |
| 時間格式： | 二進制 |
| 數(shù)據(jù)格式： | 二進制 |
| 接口： | 1 線和 3 線 |
| 電源電壓： | 2.8 V ~ 5.5 V |
| 電壓 - 電源，電池： | 2.8 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SSOP（0.209"，5.30mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SSOP |
| 包裝： | 管件 |
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DS2404
23 of 29
Battery Operate Mode
Figure 17 shows the necessary connections for operating the DS2404 in Battery Operate mode.
BATTERY OPERATE MODE Figure 17
VCC
Pin 1 & 16
Ground
VBATB
Pin 9
Ground
VBATO
Pin 10
2.8 to 5.5V
The VBATO pin is normally connected to any standard 3 V lithium cell or other energy source. The Battery
Operate mode also minimizes the power-consumption in applications where battery backup is not
required and the VBATO lead is directly connected to the system’s 5V supply.
NOTE:
In Battery Operate mode, the voltage on DQ must never exceed the voltage on VBATO if the 3-wire
interface is used. This restriction does not apply to the 1-Wire interface.
DEVICE OPERATION MODES
With its two ports and two power modes the DS2404 can be operated in several ways. While the
maximum voltage on the 1-Wire port (I/O) is always 6V, the maximum voltage on the 3-wire port (DQ)
depends on the power mode and actual operating voltage. A particular port is selected by setting the
control lines to a state that makes the other port inactive. See Table 1 for details.
When using the 3-wire port only and the DS2404 is wired for VCC Operate Mode (Battery Backed) the
1 Wire I/O pin can be used as counter input. This mode requires that the I/O lead is connected to VCC
through a 5k
Ω (typical) resistor. To enable communication through the 3-wire port a reset/presence
sequence has to be performed on the 1-Wire port after the system has powered up.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2404B/T&R | 制造商:Maxim Integrated Products 功能描述:ECONORAM/TIME, SSOP16-TRL (GENERIC) - Tape and Reel |
| DS2404B+ | 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 512BYTE 16SSOP - Rail/Tube |
| DS2404B+T&R | 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 512BYTE 16SSOP - Tape and Reel |
| DS2404FP000 | 制造商:Thomas & Betts 功能描述:200A,CON,3P4W,MG,404,3P480V |
| DS2404FP000/DF2029 | 制造商:Thomas & Betts 功能描述:RS DS2404FP000/DF2029 200A,CON,3P4W |
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