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參數(shù)資料
| 型號： | ASM809SEUR-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)： | 2/10頁 |
| 文件大小： | 220K |
| 代理商： | ASM809SEUR-T |
2 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
Pin Diagram
Block Diagram
Pin Description
Pin #
Pin
Name
Function
ASM809
ASM810
1
-
GND
Ground.
2
-
RESET
RESET is asserted LOW if V
CC
falls below V
TH
and remains LOW for T
RST
after V
CC
exceeds the
threshold.
-
2
RESET
RESET is asserted HIGH if V
CC
falls below V
TH
and remains HIGH for T
RST
after V
CC
exceeds the
threshold.
3
-
V
CC
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. ASM809/810 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 and HIGH
for the ASM810- when the V
CC
supply voltage falls below the
threshold trip voltage and remains asserted for 140ms
minimum after the V
CC
has risen above the threshold.
1
2
3
SOT23
ASM809
(ASM810)
GND
RESET
V
CC
(RESET)
ASM809
ASM810
RESET
RESET
0V
5V
0V
5V
0V
5V
V
CC
V
TH
T
RST
Figure 1: Reset TIming Diagram
+
-
RESET Generator
-
+
V
CC
RESET
(RESET)
GND
ASM809
(ASM810)
4.38V
4.00V
3.08V
2.93V
2.63V
4.63V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ASM810SEUR-T | 3 Pin Microcontroller Power Supply Supervisor |
| ASM809REUR-T | 3 Pin Microcontroller Power Supply Supervisor |
| ASM810REUR-T | 3 Pin Microcontroller Power Supply Supervisor |
| ASM809LEUR-T | 3 Pin Microcontroller Power Supply Supervisor |
| ASM809MEUR-T | Connector Housing; No. of Contacts:2; Series:1545; Connector Body Material:Nylon; No. of Rows:1; Pitch Spacing:6.3mm; Contact Termination:Crimp RoHS Compliant: Yes |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ASM809TEUR-T | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3 Pin Microcontroller Power Supply Supervisor |
| 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 |
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