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參數(shù)資料
| 型號： | ASM809JEURF-T |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | ROHS COMPLIANT, PLASTIC, SOT-23, 3 PIN |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 312K |
| 代理商： | ASM809JEURF-T |
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Notice: The information in this document is subject to change without notice
3-Pin Microcontroller Power Supply Supervisor
ASM809,ASM8091,ASM810
July 2005
rev 1.8
Pin Diagram
Block Diagram
Pin Description
Pin #
Pin
Name
Function
ASM8091
5-SOT 23
ASM809
3-SOT 23
ASM810
3
1
-
GND
Ground.
1
2
-
RESET
RESET is asserted LOW if VCC falls below VTH and remains LOW for
atleast 140mS (TRST) after VCC exceeds the threshold.
-
2
RESET
RESET is asserted HIGH if VCC falls below VTH and remains HIGH for
atleast 140mS (TRST) after VCC exceeds the threshold.
23
-
VCC
Power supply input voltage (3.0V, 3.3V, 5.0V).
Detailed Description
A
proper
reset input
enables
a
microprocessor /
microcontroller to start in a known state. ASM809/ASM8091/
ASM810 assert reset to prevent code execution errors during
power-up, power-down and brown-out conditions.
Reset Timing
The reset signal is asserted LOW for the ASM809,ASM8091
and HIGH for the ASM810 when the VCC supply voltage falls
below the threshold trip voltage and remains asserted for
140mS minimum after the VCC has risen above the
threshold.
1
2
3
3-SOT23
ASM809
GND
RESET
VCC
(RESET)
ASM809
ASM810
RESET
0V
5V
0V
5V
0V
5V
VCC
VTH
TRST
Figure 1: Reset TIming Diagram
+
-
RESET Generator
-
+
VCC
RESET
(RESET)
GND
(ASM810)
4.38V
4.00V
3.08V
2.93V
2.63V
4.63V
ASM809/8091
(ASM810)
ASM8091
1
3
5-SOT23
RESET
NC
VCC 2
5
4
GND
ASM8091
NC
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ASM809JEUR-T | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3 Pin Microcontroller Power Supply Supervisor |
| ASM809LEURF-T | 制造商:ON Semiconductor 功能描述:4.63V SUPPLY SUPERVISOR - Tape and Reel 制造商:ON Semiconductor 功能描述:SUPPLY SUPERVISOR 4.63V 制造商:ON Semiconductor 功能描述:REEL / 4.63V SUPPLY SUPERVISOR |
| ASM809LEUR-T | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3 Pin Microcontroller Power Supply Supervisor |
| ASM809MEUR-T | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3 Pin Microcontroller Power Supply Supervisor |
| ASM809REURF-T | 制造商:ON Semiconductor 功能描述:2.63V SUPPLY SUPERVISOR - Tape and Reel 制造商:ON Semiconductor 功能描述:REEL / 2.63V SUPPLY SUPERVISOR |
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