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DS1705 データシートの表示(PDF) - Dallas Semiconductor -> Maxim Integrated
部品番号
コンポーネント説明
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DS1705
3.3V and 5.0V MicroMonitor
Dallas Semiconductor -> Maxim Integrated
DS1705 Datasheet PDF : 10 Pages
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DS1705/DS1706
TIMING DIAGRAM: PUSHBUTTON RESET
Figure 4
PBRST
t
PDLY
t
PB
V
IL
RST
RST
V
IH
t
RST
V
OH
V
OL
NON–MASKABLE INTERRUPT CIRCUIT EXAMPLE
Figure 5
V
SENSE
R1
R2
PBRST
V
CC
GND
IN
DS1706
WDS
RST
ST
NMI
TO
µ
P
V
SENSE
+
R1
)
R2
R2
x
1.25
V
MAX
+
V
SENSE
V
TP
x
V
CC
Example: V
SENSE
= 4.50 volts at the trip point
V
CC
= 3.3 volts
10K
Ω
= R2
Therefore:
4.50
1.25
x 3.3
+
12.4 volts maximum
4.5
+
R1
)
10K
10K
x
1.25
R1
+
26K
W
011296 4/10
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