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參數(shù)資料
| 型號(hào)： | FM811TUX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 電源管理 |
| 英文描述： | Microprocessor Reset Circuits |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4 |
| 封裝： | SOT-143, 4 PIN |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大?。?/td> | 42K |
| 代理商： | FM811TUX |
www.fairchildsemi.com
REV. 1.5.1 7/15/02
P
PRELIMINARY INFORMATION
in any manner whatever without notice. Contact Fairchild Semiconductor for current information.
describes products that are in the design stage. Specifications may change
Features
Feature
Precision Voltage Monitor for 3V, 3.3V or 5V Power
Supplies
6μA Supply Current
140ms Minimum Reset Pulse Width
RESET Remains Valid with V
Active Low Manual Reset Input
No External Components
4-Pin SOT-143 Package
CC
as Low as 1.4V
Applications
Critical Microprocessor Power Monitoring
Portable Equipment
Intelligent Instruments
Computers & Printers
Controllers
Description
The FM811/FM812 is a low cost microprocessor supervisory
circuit that asserts a reset if the power supply drops below a
designated threshold or the manual reset pin is forced low.
Several different reset thresholds are available to
accommodate systems operating at 3V, 3.3V or 5V.
The FM811 has an active low RESET output, while the
FM812 offers an active high RESET output. The reset output
is guaranteed to remain asserted for a minimum of 140ms
after V
CC
has risen above the designated reset threshold.
The FM811/FM812 is available in a 4-pin SOT-143.
Typical Applications
FM811
FM812
μ
P
V
CC
V
CC
RESET
(RESET)
RESET
INPUT
MR
( ) = FM812
V
CC
FM811/812
Mic roproc essor Reset Circ uits
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| FM812 | 制造商:FAIRCHILD 制造商全稱(chēng):Fairchild Semiconductor 功能描述:Microprocessor Reset Circuits |
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| FM812LUX | 制造商:FAIRCHILD 制造商全稱(chēng):Fairchild Semiconductor 功能描述:Microprocessor Reset Circuits |
| FM812MUX | 制造商:FAIRCHILD 制造商全稱(chēng):Fairchild Semiconductor 功能描述:Microprocessor Reset Circuits |
| FM812RUX | 制造商:FAIRCHILD 制造商全稱(chēng):Fairchild Semiconductor 功能描述:Microprocessor Reset Circuits |
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