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參數資料
| 型號： | FM811TUX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 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 |
| 文件頁數： | 2/6頁 |
| 文件大小： | 42K |
| 代理商： | FM811TUX |
FM811/812
2
REV. 1.5.1 7/15/02
P
Pin Assignments
Pin Definitions
Internal Block Diagram
Pin Name
GND
RESET
Pin Number
FM811
1
2
Description
FM812
1
N/A
Ground Pin
RESET goes low if V
asserted for one reset time-out period (140ms min.) after V
reset threshold.
RESET goes high if V
CC
falls below the reset threshold and remains
asserted for one reset time-out period (140ms min.) after V
reset threshold.
Manual reset input. Shorting this pin to GND forces a reset. The reset will
remain asserted as long as MR is held low and for one reset time-out
period (140ms min.) after MR goes high. This input cannot be driven by a
CMOS or TTL logic. Push-button switch is recommended to be used with
this pin. Float if unused.
Power supply input, 3V, 3.3V, or 5V
CC
falls below the reset threshold and remains
CC
exceeds the
RESET
N/A
2
CC
exceeds the
MR
3
3
V
CC
4
4
FM811
V
CC
Top View
RESET
MR
2
4
3
FM812
V
CC
RESET
MR
GND
2
1
GND
1
4
3
4
3
Reset
Generator
2
1
–
+
Reset
Threshold (V)
V
CC
MR
RESET (FM811)
RESET (FM812)
GND
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相關代理商/技術參數 |
參數描述 |
|---|---|
| FM812 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Microprocessor Reset Circuits |
| FM812JUX | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Microprocessor Reset Circuits |
| FM812LUX | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Microprocessor Reset Circuits |
| FM812MUX | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Microprocessor Reset Circuits |
| FM812RUX | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Microprocessor Reset Circuits |
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