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參數(shù)資料
| 型號： | MAX814 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Accuracy, Low-Power, +3V and +5V μp Supervisory Circuits(高精度，±1%，低功耗，3V和5VμP監(jiān)控電路) |
| 中文描述： | ±1%精度、低功耗、+3V與+5V微處理器監(jiān)控電路 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 154K |
| 代理商： | MAX814 |
M
Reset T hreshold
The MAX814/MAX815 have fixed, factory-set reset
thresholds, signified by the first suffix letter in the part
number (see Figure 7 for more information on reset
ranges). The MAX816 has an adjustable reset threshold.
MAX814/MAX815 K-suffix parts have a minimum reset
threshold set to 4.75V, worst case. They are intended
for 5.0V systems with a ±4% or better power-supply tol-
erance design that must meet worst-case system para-
meters over time, temperature, line, and load variations.
Typically, the reset threshold (V
RT
) is greater than or
equal to the minimum IC operating voltage (V
ICMIN
).
The “K” series 1%-tolerance reset threshold allows a
larger range of power-supply tolerance. System ICs
that have a tight operating supply range, like the
386/486 μPs, need a RESET initiated at a minimum
threshold of 4.75V, worst case.
L-suffix parts have a minimum reset threshold set to
4.65V, worst case. They are intended for 5.0V systems
with a ±5% power-supply tolerance. Typically, the reset
threshold is less than or equal to the minimum power-
supply voltage, allowing system operation over the
complete power-supply range. A reset is initiated at
4.75V maximum. The 1% “L” version maximizes the
System IC Guard-Band Range.
N-suffix parts have a minimum reset threshold set to
4.50V, worst case. They are intended for 5.0V systems
with a ±10% IC system. Typically, the reset threshold
±1% Ac c urac y, Low-Power, +3V and +5V
μP S upervisory Circ uits
10
______________________________________________________________________________________
4.5
4.75
4.85
5.0
5.25
5.5V
IC OPERATING RANGE
RESET LIMITS “K”
(4.8V ±1%)
POWER-SUPPLY RANGE
(5.05V ±2%)
V
RT
> V
IC(MIN)
DESIGNED TO MEET WORST-
CASE DESIGN PARAMETERS.
4.5
4.75
4.65
5.0
5.25
5.5V
IC OPERATING RANGE
RESET LIMITS “L”
(4.7V ±1%)
POWER-SUPPLY RANGE
(5V ±5%)
V
RT
< V
PS(MIN)
DESIGNED TO ALLOW OPERATION
OVER THE FULL POWER-SUPPLY RANGE.
4.5
4.75
4.60
5.0
5.25
5.5V
IC OPERATING RANGE
RESET LIMITS “N”
(4.55V ±1%)
POWER-SUPPLY RANGE
(5V ±5%)
V
RT
> V
IC(MIN)
DESIGNED TO MEET WORST-
CASE DESIGN PARAMETERS.
3.0
3.06
3.3
3.6V
IC OPERATING RANGE
RESET LIMITS “T”
(3.03V ±1%)
POWER-SUPPLY RANGE
(3.33V ±0.26%)
V
RT
> V
IC(MIN)
DESIGNED TO MEET WORST-
CASE DESIGN PARAMETERS.
Figure 7a. K Suffix Design Range
Figure 7b. L Suffix Design Range
Figure 7c. N Suffix Design Range
Figure 7d. T Suffix Design Range
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX814C | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:【1% Accuracy, Low-Power, +3V and +5V レP Supervisory Circuits |
| MAX814CPA | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:【1% Accuracy, Low-Power, +3V and +5V レP Supervisory Circuits |
| MAX814CSA | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:【1% Accuracy, Low-Power, +3V and +5V レP Supervisory Circuits |
| MAX814E | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:【1% Accuracy, Low-Power, +3V and +5V レP Supervisory Circuits |
| MAX814EPA | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:【1% Accuracy, Low-Power, +3V and +5V レP Supervisory Circuits |
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