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ETC810 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 ETC810
部品説明 Microprocessor Reset Circuits
メーカ Micrel
ロゴ Micrel ロゴ 



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ETC810 Datasheet, ETC810 PDF,ピン配置, 機能
MIC809/810
MIC809/810
Microprocessor Reset Circuits
Final Information
Micrel
General Description
The MIC809 and MIC810 are inexpensive microprocessor
supervisory circuit that monitors power supplies in micropro-
cessor based systems.
The function of this device is to assert a reset if either the
power supply drops below a designated reset threshold level.
Several different reset threshold levels are available to ac-
commodate 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 MIC809/810 comes in a 3-pin SOT-23 package.
The MIC809 is also available with a shorter reset timeout
(30ms min.). See the MIC809-5.
Features
• Precision voltage monitor for 3V, 3.3V or 5V power
supplies
• /RESET remains valid with VCC as low as 1.4V
• <15µA supply current
• 20ms, 40ms, or 1100ms minimum reset pulse widths
available
• Manual reset input
• Available in 3-pin SOT-23 package
Applications
• Portable equipment
• Intelligent instruments
• Critical microprocessor power monitoring
• Printers/computers
• Controllers
Typical Application
Ordering Information
Part Number
MIC809LU
MIC809MU
MIC809JU
MIC809TU
MIC809SU
MIC809RU
MIC810LU
MIC810MU
MIC810JU
MIC810TU
MIC810SU
MIC810RU
Marking
IL
IM
IJ
IT
IS
IR
JL
JM
JJ
JT
JS
JR
Threshold
Voltage
4.63
4.38
4.00
3.08
2.93
2.63
4.63
4.38
4.00
3.08
2.93
2.63
Operating
Temp. Range
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
Package
3-lead SOT-23
3-lead SOT-23
3-lead SOT-23
3-lead SOT-23
3-lead SOT-23
3-lead SOT-23
3-lead SOT-23
3-lead SOT-23
3-lead SOT-23
3-lead SOT-23
3-lead SOT-23
3-lead SOT-23
8++
8++
MIC809
4-5-6
8++
µP
4-5-6
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com
May 2003
1 MIC809/810

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