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參數(shù)資料
| 型號： | MIC8115TU |
| 廠商： | MICREL INC |
| 元件分類： | 電源管理 |
| 英文描述： | 30000 SYSTEM GATE LOGIC CELL ARRAY - NOT RECOMMENDED for NEW DESIGN |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4 |
| 封裝： | SOT-143, 4 PIN |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 174K |
| 代理商： | MIC8115TU |
Microprocessor Reset
The RESET pin is asserted whenever VCC falls below
the reset threshold voltage or if MR (manual reset) is
forced low. The reset pin remains asserted for a period
of at least 1100ms after VCChas risen above the reset
threshold voltage or MR has returned high. The reset
function ensures the microprocessor is properly reset
and powers up into a known condition after a power fail-
ure. RESET will remain valid with VCCas low as 1.4V.
VCCTransients
The MIC8115 is relatively immune to negative-going
VCC glitches below the reset threshold. Typically, a
negative-going transient 125mV below the reset
threshold with a duration of 25
μ
s or less will not cause
an unwanted reset.
RESET Valid to 0V
A resistor can be added from the RESET pin to ground
to ensure the RESET output remains low with VCC
down to 0V. A 100K
resistor connected from RESET
to ground is recommended. The size of the resistor
should be large enough to not load the RESET output
and small enough to pull-down any stray leakage
currents.
Circuit Description
Figure 2. Reset Timing Diagram
Figure 3. RESET Valid to VCC= 0V.
VCC
MR
RESET
t1
t1
Vthr
5
VCC
RESET
μP
RESET
VCC
MIC8115
VCC
100K
MIC8115 Microprocessor Reset Circuit
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|---|---|
| MIC811 | Microprocessor Reset Circuit(微處理器復(fù)位電路（監(jiān)視基于微處理器系統(tǒng)的電源）) |
| MIC811_U | 30000 SYSTEM GATE 3.3 VOLT LOGIC CELL AR - NOT RECOMMENDED for NEW DESIGN |
| MIC812_U | Microprocessor Reset Circuits |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC8115TU TR | 功能描述:IC SUPERVISOR RESET 3.08V SOT143 RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:簡單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開路漏極或開路集電極 復(fù)位:低有效 復(fù)位超時:標(biāo)準(zhǔn)傳輸延遲為 60 µs 電壓 - 閥值:3V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:Digi-Reel® 其它名稱:LM8364BALMF30DKR |
| MIC8115TUTR | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| MIC8115TUY | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Microprocessor Reset Circuit |
| MIC8115TUY TR | 功能描述:監(jiān)控電路 Microprocessor Reset Circuit with Manual Reset, Push-Pull Active-Low Output, 3.08V Threshold, 1100ms reset pulse in SOT143-4 - Lead Free RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MIC8115TUY-TR | 功能描述:Supervisor Push-Pull, Totem Pole 1 Channel SOT-143 制造商:microchip technology 系列:- 包裝:剪切帶（CT） 零件狀態(tài):有效 類型:簡單復(fù)位/加電復(fù)位 受監(jiān)控電壓數(shù):1 輸出:推挽式，圖騰柱 復(fù)位:低有效 復(fù)位超時:最小為 1.1 s 電壓 - 閾值:3.08V 工作溫度:-40°C ~ 85°C（TA） 安裝類型:表面貼裝 封裝/外殼:TO-253-4，TO-253AA 供應(yīng)商器件封裝:SOT-143 標(biāo)準(zhǔn)包裝:1 |
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