參數(shù)資料
型號(hào)： MXD1811UR
廠商： Maxim Integrated Products, Inc.
英文描述： Low-Power UP Reset Circuits in 3-Pin
中文描述： 低向上復(fù)位電路，功率在3引腳
文件頁數(shù)： 6/11頁
文件大小： 198K
代理商： MXD1811UR
M
The
Typical Operating Characteristics
show the
Maximum Transient Duration vs. Reset Threshold
Overdrive for which reset pulses are
not
generated. The
graph shows the maximum pulse width that a negative-
going V
CC
transient may typically have without issuing a
reset signal. As the amplitude of the transient increases,
the maximum allowable pulse width decreases.
Ensuring a Valid Reset Output Down to
V
CC
= 0
When V
CC
falls below the minimum operating voltage,
push-pull structured reset sinking (or sourcing) capabil-
ities decrease dramatically. High-impedance CMOS-
logic inputs connected to the RESET/
RESET
pin can
drift to indeterminate voltages. This does not present a
problem in most cases, since most μPs and circuitry do
not operate at V
CC
below +1V. For MXD1810/
MXD1815 applications where
RESET
must be valid
down to V
CC
= 0, adding a pulldown resistor between
RESET
and GND removes stray leakage currents, hold-
ing
RESET
low (Figure 8). The pulldown resistor value is
not critical; 100k
is large enough not to load
RESET
and small enough to pull
RESET
low. For MXD1812/
Low-Power μP Reset Circuits in 3-Pin
SC70/SOT23
6
_______________________________________________________________________________________
RESET
GENERATOR
V
REF
V
CC
RESET
OR
RESET
MXD1810
MXD1812
MXD1815
MXD1817
Figure 1. Functional Diagram, Push-Pull Output
RESET
GENERATOR
V
REF
V
CC
RESET
MXD1811
MXD1816
Figure 2. Functional Diagram, Open-Drain Active-Low Output
MR
MONITOR
V
REF
V
CC
RESET
MXD1813
MXD1818
RESET
GENERATOR
Figure 3. Functional Diagram, Open-Drain Active-Low Output
with Manual Reset Detection
Functional Diagram
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MXD1811UR41 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
MXD1811UR41+ 制造商:Maxim Integrated Products 功能描述:MAXIM MXD1811UR41+, SUPERVISORS - Tape and Reel 制造商:Maxim Integrated Products 功能描述:Maxim MXD1811UR41+, Microprocessor Supervisory Circuit 4.12V Reset Threshold 2.5V/3V/3.3V/5V 3-pin SOT23
MXD1811UR41+T 功能描述:監(jiān)控電路 3-Pin uPower Reset Circuit 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
MXD1811UR41-T 功能描述:監(jiān)控電路 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
MXD1811UR44 制造商:Maxim Integrated Products 功能描述:- Rail/Tube 制造商:Rochester Electronics LLC 功能描述:
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