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參數(shù)資料
| 型號： | ASM809TEUR-T |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 3 Pin Microcontroller Power Supply Supervisor |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | PLASTIC, SOT-23, 3 PIN |
| 文件頁數(shù)： | 3/10頁 |
| 文件大小： | 220K |
| 代理商： | ASM809TEUR-T |
RESET
3 of 10
Notice: The information in this document is subject to change without notice
3 Pin Microcontroller Power Supply Supervisor
ASM809, ASM810
October 2003
rev 1.0
Application Information
Negative V
CC
Transients
The ASM809/810 protect μPs from brownouts and low V
CC
.
Short duration transients of 100mV amplitude and 20μs or
less duration typically do not cause a false RESET.
Valid Reset with V
CC
under 1.1V
When V
CC
is under 1.1V, to ensure logic inputs connected to
the ASM809 RESET pin are in a known state, a 100k
pull-
down resistor is needed at RESET . The value of the resistor
is not critical. A 100k
pull-up resistor to V
CC
at RESET is
needed with the ASM810.
Bidirectional Reset Pin Interfacing
The ASM809/810 can interface with μP / μC bi-directional
reset pins by connecting a 4.7k
resistor in series with the
ASM809/810 reset output and the μP/μC bi-directional reset
pin.
V
CC
Power Supply
ASM809
RESET
GND
100k
V
CC
Power Supply
ASM810
GND
100k
Power supply
BUF
Buffered
RESET
V
CC
ASM809
GND
GND
RESET
RESET
Input
μC or μP
4.7k
Bi-directional I/O Pin
Figure 2: RESET valid with V
CC
under 1.1V
Figure 3: RESET valid with V
CC
under 1.1V
Figure 4: Bidirectional Reset Pin Interfacing
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ASM810TEUR-T | 3 Pin Microcontroller Power Supply Supervisor |
| ASM809SEUR-T | 3 Pin Microcontroller Power Supply Supervisor |
| ASM810SEUR-T | 3 Pin Microcontroller Power Supply Supervisor |
| ASM809REUR-T | 3 Pin Microcontroller Power Supply Supervisor |
| ASM810REUR-T | 3 Pin Microcontroller Power Supply Supervisor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ASM810 | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3 Pin Microcontroller Power Supply Supervisor |
| ASM810JEUR-T | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3 Pin Microcontroller Power Supply Supervisor |
| ASM810LEUR-T | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3 Pin Microcontroller Power Supply Supervisor |
| ASM810MEUR-T | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3 Pin Microcontroller Power Supply Supervisor |
| ASM810REURF-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:SUPPLY SUPERVISOR 2.63V 制造商:ON Semiconductor 功能描述:REEL / 2.63V SUPPLY SUPERVISOR |
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