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參數(shù)資料
| 型號(hào)： | ASM1817R-20 |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 電源管理 |
| 英文描述： | GIGATRUE 550 CAT PATCH CBL SNAGLSS 50FT GR 25 PK |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | PLASTIC, SOT-23, 3 PIN |
| 文件頁(yè)數(shù)： | 3/9頁(yè) |
| 文件大?。?/td> | 232K |
| 代理商： | ASM1817R-20 |
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Notice: The information in this document is subject to change without notice
Low Power, 3.3V/3.0V μP Reset
ASM1817
rev 1.5
February 2005
Application Information
Operation - Power Monitor
The ASM1817 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 approximatley 150ms after the power
supply voltage has reached the selected tolerance. This
allows the power supply and microprocessor to stablize
before RESET is released.
Figure 1: Typical Application
Microprocessor
RESET
RESET
ASM1817
~
t
RPU
V
CCTP
(MIN)
~
V
CCTP
V
CCTP
(MAX)
t
R
V
CC
Figure 2: Timing Diagram: Power-Up
V
OL
RESET
~
~
t
RPD
V
CC
V
CCTP
(MAX)
V
CCTP
V
CCTP
(MIN)
tF
RESET
RESET Slews with V
CC
V
OH
Figure 3: Timing Diagram: Power-Down
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ASM1817R-20F | GIGATRUE 550 CAT PATCH CBL SNAGLSS 100F GR 25 PK |
| ASM1817R-5 | GIGATRUE 550 CAT6 PATCH 4 FT, SNAGLESS, RED |
| ASM1817R-5F | GIGATRUE 550 CAT PATCH CBL SNAGLSS 6FT RD 25 PK |
| ASM1817-10 | Low Power, 3.3V/3.0V uP Reset, Active HIGH, Push-Pull Output |
| ASM1817 | Low Power, 3.3V/3.0V uP Reset, Active HIGH, Push-Pull Output |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ASM1817R-20/T | 制造商:ALSC 制造商全稱(chēng):Alliance Semiconductor Corporation 功能描述:Low Power, 3.3V/3.0V uP Reset, Active HIGH, Push-Pull Output |
| ASM1817R-20F | 制造商:ALSC 制造商全稱(chēng):Alliance Semiconductor Corporation 功能描述:Low Power, 3.3V/3.0V uP Reset, Active HIGH, Push-Pull Output |
| ASM1817R-20F/T | 制造商:ALSC 制造商全稱(chēng):Alliance Semiconductor Corporation 功能描述:Low Power, 3.3V/3.0V uP Reset, Active HIGH, Push-Pull Output |
| ASM1817R-5 | 制造商:ALSC 制造商全稱(chēng):Alliance Semiconductor Corporation 功能描述:Low Power, 3.3V/3.0V uP Reset, Active HIGH, Push-Pull Output |
| ASM1817R-5/T | 制造商:ALSC 制造商全稱(chēng):Alliance Semiconductor Corporation 功能描述:Low Power, 3.3V/3.0V uP Reset, Active HIGH, Push-Pull Output |
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