DS1708S Ver la hoja de datos (PDF) - Dallas Semiconductor -> Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
DS1708S Datasheet PDF : 9 Pages
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DS1707/DS1708
TIMING DIAGRAM: PUSHBUTTON RESET Figure 4
PBRST
tPDLY
tPB
VIL
RST
RST
VIH
tRST
VOH
VOL
NON–MASKABLE INTERRUPT CIRCUIT EXAMPLE Figure 5
VSENSE
R1
R2
PBRST
VCC
GND
IN
DS1708
RST
RST
NC
NMI
TO µP
VSENSE
+
R1 ) R2
R2
x
1.25
VMAX
+
VSENSE
VTP
x
VCC
Example: VSENSE = 4.70 volts at the trip point
VCC = 3.3 volts
10KΩ = R2
Therefore:
4.70
1.25
x 3.3 + 12.4 volts maximum
4.5
+
R1 ) 10K
10K
x
1.25
R1 + 27.6KW
010996 4/9
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