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參數資料
| 型號： | ASM1834DUF |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | Dual 5V and 3.3V uP Power Supply Supervisor with Manual Reset |
| 中文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | LEAD FREE, MICRO, SO-8 |
| 文件頁數： | 2/10頁 |
| 文件大小： | 256K |
| 代理商： | ASM1834DUF |
GND
Ground.
ASM1834/A/D
2 of 10
Notice: The information in this document is subject to change without notice
Dual 5V and 3.3V μP Power Supply Supervisor with Manual Reset
rev 1.3
Block Diagram
April 2005
Pin Configuration
Pin Description
Pin #
Pin Name
Function
1
5V
IN
5V power supply input.
2
5V RESET
5V RESET
5V reset output (Active LOW, ASM1834, ASM1834A. Open drain outputs for ASM1834A).
5V reset output (Active HIGH, AS1834D).
3
5V TOL
5V input tolerance select: 10% tolerance for 5VTOL= 5V
IN
and 5% tolerance for 5VTOL = GND
4
5
PBRST
Debounced manual pushbutton reset input (40k
internal pull-up).
6
3.3V TOL
3.3V input tolerance select: 20% tolerance for 3.3VTOL = 3.3V
IN
and 10% tolerance for 3.3VTOL=GND.
7
3.3V RESET
3.3V RESET
3.3V reset output (Active LOW, ASM1834, ASM1834A. Open drain outputs for ASM1834A).
3.3V reset output (Active HIGH, AS1834D).
8
3.3V
IN
3.3V power supply input.
1
2
3
4
5
6
7
8
5V
IN
5V RESET *
5V TOL
GND
3.3V
IN
3.3V RESET *
PBRST
3.3V TOL
ASM1834
ASM1834A
ASM1834D
* AS1834D reset outputs are active HIGH (5V RESET and 3.3V RESET)
Outputs are open-drain for AS1834A.
Sense and Debounce
5V Tolerance
Bias
Low TC
Reference
3.3V Tolerance
Bias
Pushbutton Level
For ASM1834D
350ms Delay
5 V
IN
5 VTOL
PBRST
3.3 V
IN
3.3 VTOL
GND
3.3V RESET
3.3V RESET (ASM1834D)
5V RESET
(5V RESET
ASM1834
350ms Delay
For ASM1834D
-
+
-
ASM1834A
5V RESET
3.3V RESET
40k
+
1
3
5
8
6
4
7
2
2
7
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| ASM1834D | COIL 22UH 700MA CHOKE SMD |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ASM1834DUF-T | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Dual 5V and 3.3V uP Power Supply Supervisor with Manual Reset |
| ASM1834DU-T | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Dual 5V and 3.3V uP Power Supply Supervisor with Manual Reset |
| ASM1834F | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Dual 5V and 3.3V uP Power Supply Supervisor with Manual Reset |
| ASM1834F-T | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Dual 5V and 3.3V uP Power Supply Supervisor with Manual Reset |
| ASM1834S | 制造商:PULSECORE 制造商全稱:PulseCore Semiconductor 功能描述:Dual 5V and 3.3V μP Power Supply Supervisor with Manual Reset |
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