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參數(shù)資料
| 型號： | ASM1812R-5 |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | Low Power 5V uP Reset Active HIGH, Push-Pull Output |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | PLASTIC, SOT-23, 3 PIN |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 231K |
| 代理商： | ASM1812R-5 |
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Notice: The information in this document is subject to change without notice
Low Power 5V μP Reset
ASM1812
rev 1.4
February 2005
Application Information
Operation - Power Monitor
The ASM1812 detects out-of-tolerance power supply
conditions. It resets a processor during power-up, power-
down and issues a reset to the system processor when the
monitored power supply voltage is below the reset threshold.
When an out-of-tolerance V
CC
voltage is detected, the
RESET signal is asserted. On power-up, RESET is kept
active (HIGH) for approximately 150ms after the power
supply voltage has reached the selected tolerance. This
allows the power supply and microprocessor to stabilize
before RESET is released.
Microprocessor
RESET
RESET
ASM1812
Figure 1: Typical Application
t
RPU
V
CCTP
(MIN)
~
V
CCTP
V
CCTP
(MAX)
t
R
V
CC
V
OL
RESET
~
Figure 2: Timing Diagram: Power-Up
~
~
t
RPD
V
CC
V
CCTP
(MAX)
V
CCTP
V
CCTP
(MIN)
t
F
RESET
RESET Slews with V
CC
V
OH
Figure 3: Timing Diagram: Power-Down
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ASM1812R-5F | Low Power 5V uP Reset Active HIGH, Push-Pull Output |
| ASM1812-15F | Low Power 5V uP Reset Active HIGH, Push-Pull Output |
| ASM1812-10 | Low Power 5V uP Reset Active HIGH, Push-Pull Output |
| ASM1812-10F | Low Power 5V uP Reset Active HIGH, Push-Pull Output |
| ASM1812-15 | Low Power 5V uP Reset Active HIGH, Push-Pull Output |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ASM1812R-5/T | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power 5V uP Reset Active HIGH, Push-Pull Output |
| ASM1812R-5F | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power 5V uP Reset Active HIGH, Push-Pull Output |
| ASM1812R-5F/T | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power 5V uP Reset Active HIGH, Push-Pull Output |
| ASM1815 | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power, 3.3V/3.0V uP Reset Active LOW, Push-Pull Output |
| ASM1815-10 | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power, 3.3V/3.0V uP Reset Active LOW, Push-Pull Output |
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