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參數(shù)資料
| 型號： | MAX815C |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 【1% Accuracy, Low-Power, +3V and +5V レP Supervisory Circuits |
| 中文描述： | 【1％精度，低功耗，3V和5VレP監(jiān)控電路 |
| 文件頁數(shù)： | 9/16頁 |
| 文件大小： | 111K |
| 代理商： | MAX815C |
Reset Output
A μP’s reset input starts the μP in a known state.
Whenever the μP is in an unknown state, it should be
held in reset. The MAX814/MAX815/MAX816 assert reset
during power-up, power-down, or brownout conditions.
On power-up, once V
CC
reaches 1V, RESET is a guar-
anteed logic low of 0.4V or less. As V
CC
rises, RESET
stays low. As V
CC
rises above the reset threshold, an
internal timer releases RESET after 200ms. RESET also
pulses low whenever V
CC
dips below the reset thresh-
old (i.e., brownout condition). If brownout occurs in the
middle of a previously initiated reset, the internal timer
is reset and the output remains low for at least another
140ms after the brownout ends. On power-down, once
V
CC
falls below the reset threshold, RESET stays low
and is guaranteed to be less than 0.3V until V
CC
drops
below 1V.
The MAX814 and MAX816 also offer active-high RESET
outputs. They are the inverse of the RESEToutputs.
M
±1% Ac c urac y, Low-Power, +3V and +5V
μP S upervisory Circ uits
_______________________________________________________________________________________
9
MAX814
RESET
GENERATOR
RESET THRESHOLD
POWER- FAIL THRESHOLD
60mV
1
150
μ
A
8
RESET
7
RESET
6
LOW LINE
5
MR
PFO
V
CC
PFI
2
4
GND
3
MAX815
TIMEBASE
RESET THRESHOLD
POWER-FAIL THRESHOLD
150
μ
A
6
8
WDO
7
5
MR
V
CC
RESET
PFO
WDI
PFI
2
1
4
GND
3
RESET
GENERATOR
WATCHDOG
TIMER
WATCHDOG
TRANSITION
DETECTOR
MAX816
RESET
GENERATOR
1.70V
1.70V
1
2
150
μ
A
8
RESET
7
5
PFO
MR
V
CC
RESET
RESET IN
PFI
6
4
GND
3
Figure 4. MAX814 Block Diagram
Figure 5. MAX815 Block Diagram
Figure 6. MAX816 Block Diagram
相關PDF資料 |
PDF描述 |
|---|---|
| MAX815CPA | 【1% Accuracy, Low-Power, +3V and +5V レP Supervisory Circuits |
| MAX815CSA | 【1% Accuracy, Low-Power, +3V and +5V レP Supervisory Circuits |
| MAX815E | 【1% Accuracy, Low-Power, +3V and +5V レP Supervisory Circuits |
| MAX815EPA | 【1% Accuracy, Low-Power, +3V and +5V レP Supervisory Circuits |
| MAX815ESA | 【1% Accuracy, Low-Power, +3V and +5V レP Supervisory Circuits |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX815CPA | 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 |
| MAX815CSA | 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 |
| MAX815E | 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 |
| MAX815EPA | 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 |
| MAX815ESA | 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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