參數(shù)資料
型號(hào)： TC1270MERCTR
廠商： Microchip Technology Inc.
英文描述： 4-Pin Reset Monitors
中文描述： 4引腳復(fù)位監(jiān)控器
文件頁(yè)數(shù)： 1/14頁(yè)
文件大小： 609K
代理商： TC1270MERCTR
2007 Microchip Technology Inc.
DS21381D-page 1
TC1270/TC1271
Features:
Precision V
CC
Monitor for 1.8V, 2.7V, 3.0V, 3.3V
and 5.0V Nominal Supplies
Manual Reset Input
140 ms Minimum RESET, Reset Output Duration
RESET Output Valid to V
CC
= 1.0V (TC1270)
Low 7 μA Supply Current
V
CC
Transient Immunity
Small 4-Pin SOT-143 Package
No External Components
Replacement for MAX811/812 and Offers a Lower
Threshold Voltage Option
Applications:
Computers
Embedded Systems
Battery Powered Equipment
Critical μP Power Supply Monitoring
Typical Operating Circuit
General Description
The TC1270 and TC1271 are cost-effective system
supervisor circuits designed to monitor V
CC
in digital
systems and provide a reset signal to the host
processor 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 μs (4 μs for
F version) of V
CC
falling through the reset voltage
threshold. Reset is maintained active for a minimum of
140 ms after V
CC
rises above the reset threshold. The
TC1271 has an active-high RESET output while the
TC1270 has an active-low RESET output. The output
of the TC1270 is valid down to V
CC
= 1V. Both devices
are available in a 4-Pin SOT-143 package.
The TC1270/TC1271 devices are optimized to reject
fast transient glitches on the V
CC
line. Low supply
current of 7 μA (V
CC
= 3.3V) makes these devices
suitable for battery powered applications.
Package Type
TC1270
V
CC
V
CC
V
CC
RESET
Reset
Input
(Active Low)
GND
GND
Processor
MR
Push
Button
V
CC
TC1270
RESET
TC1271
(RESET)
GND
TC1270
TC1271
1
2
3
4
MR
4-Pin Reset Monitors
相關(guān)PDF資料
PDF描述
TC1270RERCTR 4-Pin Reset Monitors
TC1271TERC 4-Pin レP Reset Monitors
TC1271SERC 4-Pin レP Reset Monitors
TC1271LERC 4-Pin レP Reset Monitors
TC1270LERC 4-Pin レP Reset Monitors
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TC1270RERC 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:4-Pin レP Reset Monitors
TC1270RERCTR 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
TC1270SERC 制造商:Microchip Technology Inc 功能描述:
TC1270SERCTR 功能描述:監(jiān)控電路 4-Pin uP 2.93V 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
TC1270TERC 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:4-Pin レP Reset Monitors
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