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參數(shù)資料
| 型號(hào)： | TCM812LERC |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 4-Pin Microcontroller Reset Monitors |
| 中文描述： | 4引腳單片機(jī)復(fù)位監(jiān)控器 |
| 文件頁(yè)數(shù)： | 1/14頁(yè) |
| 文件大小： | 258K |
| 代理商： | TCM812LERC |
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2002 Microchip Technology Inc.
DS21615B-page 1
M
TCM811/TCM812
Features
Precision V
DD
Monitor for 2.0V, 2.8V, 3.0V, 3.3V,
5.0V Nominal Supplies
Manual Reset Input
140 msec Minimum RESET Output Duration
RESET Output Valid to V
DD
= 1.0V (TCM811)
Low 6 μA (typ.) Supply Current
V
DD
Transient Immunity
Small 4-Pin SOT-143 Package
No External Components
Replacement for MAX811/812 and Offers a Lower
Threshold Voltage Option
Push-Pull RESET Output
Temperature Range:
- Commercial (C)
-40°C to +85°C
Applications
Computers
Embedded Systems
Battery Powered Equipment
Critical Microcontroller Power Supply Monitoring
Typical Application Circuit
General Description
The TCM811 and TCM812 are cost effective system
supervisory circuits designed to monitor V
DD
in digital
systems and provide a reset signal to the host control-
ler when necessary. A manual reset input is provided
to override the reset monitor and is suitable for use as
a push-button reset. No external components are
required.
The reset output is driven active within 20 μsec (5 μsec
for F version) of V
DD
falling through the reset voltage
threshold. RESET is maintained active for a minimum
of 140 msec after V
DD
rises above the reset threshold.
The TCM812 has an active high RESET output while
the TCM811 has an active low RESET output. The out-
put of the TCM811 is valid down to V
= 1V. Both
devices are available in a 4-Pin SOT-143 package,
specified with a temperature range of -40°C to +85°C.
The TCM811/TCM812 are optimized to reject fast tran-
sient glitches on the V
line. A low supply current of
6 μA (V
DD
= 3.3V) makes these devices ideal for battery
powered applications.
Package Types:
TCM811
V
DD
V
DD
V
DD
RESET
RESET
INPUT
(Active Low)
GND
GND
MR
PUSH
BUTTON
PIC
Microcontroller
4
3
2
0.1μF
V
DD
TCM811
RESET
TCM812
(RESET)
GND
T
T
1
2
3
4
MR
o
SOT-143
4-Pin Microcontroller Reset Monitors
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TCM812LERCTR | 功能描述:監(jiān)控電路 4-Pin uP 4.63V Reset RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)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 |
| TCM812MERC | 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:4-Pin Microcontroller Reset Monitors |
| TCM812MERCTR | 功能描述:監(jiān)控電路 4-Pin uP 4.38V Reset RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)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 |
| TCM812RERC | 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:4-Pin Microcontroller Reset Monitors |
| TCM812RERCTR | 功能描述:監(jiān)控電路 4-Pin uP 2.63V Reset RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)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 |
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