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參數資料
| 型號： | MAX811 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | 4-Pin μP Reset Monitor(3腳μP監控電路復位監視器（低電平復位）) |
| 中文描述： | 4引腳微處理器電壓監視器，帶有手動復位輸入 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 52K |
| 代理商： | MAX811 |
Semiconductor Components Industries, LLC, 2001
January, 2001 – Rev. 3
1
Publication Order Number:
MAX811/D
MAX811, MAX812
4-Pin
μ
P Reset Monitors
The MAX811 and MAX812 are cost–effective system supervisor
circuits designed to monitor V
CC
in digital systems and provide a reset
signal to the host processor when necessary. A manual reset input is
provided to override the reset monitor, and is suitable for use as a
push–button reset. No external components are required.
The reset output is driven active within 20
μ
sec (4
μ
sec for
F version) of V
CC
falling through the reset voltage threshold. RESET
is maintained active for a minimum of 140 msec after V
CC
rises above
the reset threshold. The MAX812 has an active–high RESET output
while the MAX811 has an active–low RESET output. The output of
the MAX811 is guaranteed valid down to V
CC
= 1 V. Both devices are
available in a 4–Pin SOT–143 package.
The MAX811/12 are optimized to reject fast transient glitches on
the V
CC
line. Low supply current of 7
μ
A (V
CC
= 3.3 V) makes these
devices suitable for battery powered applications.
Features
Precision V
CC
Monitor for 1.8 V, 2.7 V, 3.0 V, 3.3 V, 5.0 V
Nominal Supplies
Manual Reset Input
140 msec Guaranteed Minimum RESET, RESET Output Duration
RESET Output Guaranteed to V
CC
= 1.0 V (MAX811)
Low 7
μ
A Supply Current
V
CC
Transient Immunity
Small SOT–143–4 Package
No External Components
Typical Applications
Computers
Embedded Systems
Battery Powered Equipment
Critical
μ
P Power Supply Monitoring
Typical Operating Circuit
GND
MAX811
PUSH–
BUTTON
VCC
RESET
MR
VCC
RESET
INPUT
(ACTIVE LOW)
GND
PROCESSOR
VCC
http://onsemi.com
PIN CONNECTIONS
1
GND
4 V
CC
2
MAX811 (RESET)
MAX812 (RESET)
3 MR
SOT–143
CASE 318A
1
2
3
4
See detailed ordering and shipping information in the package
dimensions section on page 6 of this data sheet.
ORDERING INFORMATION
See general marking information in the device marking
section on page 6 of this data sheet.
DEVICE MARKING INFORMATION
相關PDF資料 |
PDF描述 |
|---|---|
| MAX812 | 4-Pin μP Reset Monitor(3腳μP監控電路復位監視器（高電平復位）) |
| MAX812_EUS-T | 4-Pin レP Voltage Monitors with Manual Reset Input |
| MAX812 | 4-Pin μp Voltage Monitors with Manual Reset Input(4管腳μP電壓監控器,低有效復位輸出) |
| MAX814 | Accuracy, Low-Power, +3V and +5V μp Supervisory Circuits(高精度，±1%，低功耗，3V和5VμP監控電路) |
| MAX818 | Microprocessor Supervisory Circuits(5VμP監控電路,斷電警告) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX811/D | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:4-Pin mP Reset Monitors |
| MAX811_EUS-T | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:4-Pin μP Voltage Monitors with Manual Reset Input |
| MAX811CUS-T | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Analog IC |
| MAX811LCUS-T | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Voltage Detector |
| MAX811LEUS | 制造商:Maxim Integrated Products 功能描述:4-PIN UP VOLTAGE MONITORS WITH MANU - Rail/Tube |
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