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參數(shù)資料
| 型號(hào)： | MAX812 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | 4-Pin μP Reset Monitor(3腳μP監(jiān)控電路復(fù)位監(jiān)視器（高電平復(fù)位）) |
| 中文描述： | 4引腳微處理器電壓監(jiān)視器，帶有手動(dòng)復(fù)位輸入 |
| 文件頁(yè)數(shù)： | 3/8頁(yè) |
| 文件大?。?/td> | 52K |
| 代理商： | MAX812 |
MAX811, MAX812
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 5 V for L/M versions, V
CC
= 3.3 V for T/S versions, V
CC
= 3 V for R version,
V
CC
= 2.0 V for F version. T
A
= –40
°
C to +85
°
C unless otherwise noted. Typical values are at T
A
= +25
°
C.) (Note 1.)
Characteristics
Symbol
Test Conditions
Min
Typ
Max
Unit
RESET Output Voltage Low
(MAX812)
V
OL
MAX812F only, I
SINK
= 500
μ
A,
V
CC
= V
TH(MAX)
MAX812R/S/T only, I
SINK
= 1.2 mA,
V
CC
= V
TH(MAX)
MAX812L/M only, I
SINK
= 3.2 mA,
V
CC
= V
TH(MAX)
–
–
–
–
–
–
0.2
0.3
0.4
V
RESET Output Voltage Low
(MAX811)
V
OL
MAX811R/S/T only, I
SINK
= 1.2 mA,
V
CC
= V
TH(MIN)
MAX811F only, I
SINK
= 500
μ
A,
V
CC
= V
TH(MIN)
MAX811L/M only, I
SINK
= 3.2 mA,
V
CC
= V
TH(MIN)
I
SINK
= 50
μ
A, V
CC
1.0 V
–
–
–
–
–
–
0.3
0.4
TBD
V
RESET Output Voltage High
(MAX811)
V
OH
MAX811L/M only,
I
SOURCE
= 800
μ
A,
V
CC
V
TH(MAX)
MAX811R/S/T/F only,
I
SOURCE
= 500
μ
A,
V
CC
V
TH(MAX)
V
CC
–1.5
0.8 V
CC
–
–
–
–
V
1. Production testing done at T
A
= +25
°
C, over temperature limits guaranteed by design.
2. RESET output for MAX811, RESET output for MAX812.
PIN DESCRIPTION
Pin
Number
Symbol
Description
1
GND
Ground
2
RESET (MAX811)
RESET output remains low while V
CC
is below the reset voltage threshold, and for at least
140 msec min. after V
CC
rises above reset threshold.
2
RESET (MAX812)
RESET output remains high while V
CC
is below the reset voltage threshold, and for at least
140 msec min. after V
CC
rises above reset threshold.
3
MR
Manual Reset input generates a reset when MR is below V
IL
.
4
V
CC
Supply voltage
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