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參數(shù)資料
| 型號： | MIC810_U |
| 廠商： | Micrel Semiconductor,Inc. |
| 英文描述： | 20000 SYSTEM GATE 3.3 VOLT LOGIC CELL AR - NOT RECOMMENDED for NEW DESIGN |
| 中文描述： | 微處理器復(fù)位電路 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 166K |
| 代理商： | MIC810_U |
1
The MIC809/MIC810 are inexpensive microprocessor
supervisory circuits that monitor power supplies in
microprocessor based systems.
The function of these devices is to assert a reset if the
power supply drops below a designated reset threshold
level. Several different reset threshold levels are
available to accomodate 3V, 3.3V or 5V powered
systems.
The MIC809 has an active low RESET output, while the
MIC810 offers an active high RESET output. The reset
output is guaranteed to remain asserted for a minimum
of 140ms after VCC has risen above the designated
reset threshold level. The MIC809/MIC810 come in a 3-
pin SOT-23 package.
1
2
3
V
CC
GND
MIC809
RESET
1
2
3
V
CC
GND
MIC810
RESET
Top View
Part
MIC809_U
MIC810_U
Package
3-Lead SOT23
3-Lead SOT23
Temp. Range
-40°C to +85°C
-40°C to +85°C
Place the device suffix of desired reset threshold voltage from table above in
blank to complete the part number.
·
Portable Equipment
·
Intelligent Instruments
·
Critical Microprocessor Power Monitoring
·
Printers/Computers
·
Controllers
·
RESET Remains Valid with VCC as Low
as 1.4V
·
Precision Voltage Monitor for 3V, 3.3V
or 5V Power Supplies
·
Available in 3-Pin SOT23 Package
·
<15
μ
A Supply Current
·
140ms Minimum Reset Pulse Width
·
No External Components Required
VCC
RESET
μP
RESET
VCC
MIC809
VCC
Typical Operating Circuit
Features
Description
Pin Configuration
Ordering Information
Typical Applications
Reset Threshold
Voltage (V)
4.63
4.38
4.00
3.08
2.93
2.63
Device
Suffix
L
M
J
T
S
R
MIC809/MIC810 Microprocessor Reset Circuits
MIC809/MIC810
Microprocessor Reset Circuits
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