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參數(shù)資料
| 型號(hào)： | MAX815 |
| 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與+5V微處理器監(jiān)控電路 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大小： | 111K |
| 代理商： | MAX815 |
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_______________General Desc ription
The MAX814/MAX815/MAX816 are high-accuracy
microprocessor (μP) supervisory circuits that provide
power-on reset, watchdog, and power-fail functions.
They eliminate manual trimming and improve reliability
in critical applications needing high-accuracy reset
thresholds. The RESET output is guaranteed to be in
the correct state for V
CC
down to 1V. The reset com-
parator is designed to ignore fast transients on V
CC
.
Reset thresholds are available for operation with a vari-
ety of 3V and 5V supply voltages.
A 75μA maximum supply current makes the MAX814/
MAX815/MAX816 ideal for use in portable equipment.
All three devices are available in 8-pin DIP and SO
packages. See the Selector Table below for a review of
features.
_____________________S elec tor Table
________________________Applic ations
Medical Equipment
Controllers
Intelligent Instruments
Critical μP Power Monitoring
Portable/Battery-Powered Equipment
Set-Top Boxes
__________________________________________________________Pin Configurations
____________________________Features
o
±1% Worst-Case Reset Threshold Accuracy
o
4.8V, 4.7V, 4.55V, 3.03V, or Adjustable Reset
Thresholds
o
±1% Low-Line Threshold Accuracy (MAX814)
60mV Above Reset Threshold
o
200ms Reset Time Delay
o
Active-Low RESET Output
Active-High RESET Output (MAX814/MAX816)
o
75μA Max Supply Current
o
Guaranteed RESET Valid to V
CC
= 1V
o
Manual Reset Input
o
±2% Power-Fail Comparator
o
Independent Watchdog with 1.56sec Timeout
(MAX815)
o
Power-Supply Glitch Immunity
o
8-Pin SO and DIP Packages
M
±1% Ac c urac y, Low-Power, +3V and +5V
μP S upervisory Circ uits
________________________________________________________________ Maxim Integrated Products
Call toll free 1-800-998-8800 for free samples or literature.
1
LOW LINE
GND
PFO
PFI
1
2
8
7
RESET
RESET
V
CC
MR
MAX814
DIP/SO
TOP VIEW
3
4
6
5
WDI
GND
PFO
PFI
1
2
8
7
WDO
RESET
V
CC
MR
MAX815
DIP/SO
3
4
6
5
RESET IN
GND
PFO
PFI
1
2
8
7
RESET
RESET
V
CC
MR
MAX816
DIP/SO
3
4
6
5
19-0412; Rev 0; 6/95
_____________Reset Trip T hresholds
Ordering Information appears at end of data sheet.
FEATURE
RESET Output
RESET Output
Manual Reset
V
CC
Reset Voltage
Power-Fail Monitor
Low-Line Detector
Watchdog Circuit
MAX814
MAX815
MAX816
K, L, N, T
K, L, N, T
Adjustable
MAX814/MAX815
RESET TRIP THRESHOLD
MIN (V)
K
L
N
T
4.75
4.65
4.50
3.00
4.85
4.75
4.60
3.06
MAX816
SUFFIX
MAX (V)
—
Adjustable
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX815C | 【1% Accuracy, Low-Power, +3V and +5V レP Supervisory Circuits |
| 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 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX815_CPA | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:?±1% Accuracy, Low-Power, 3V and 5V uP Supervisory Circuits |
| MAX815_CSA | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:?±1% Accuracy, Low-Power, 3V and 5V uP Supervisory Circuits |
| MAX815_EPA | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:?±1% Accuracy, Low-Power, 3V and 5V uP Supervisory Circuits |
| MAX815_ESA | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:?±1% Accuracy, Low-Power, 3V and 5V uP Supervisory Circuits |
| MAX815C | 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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