EM6354 EM Microelectronic, EM6354 Datasheet - Page 5

• Manufacturer Part Number: EM6354
• Description: Reset Circuit
• Manufacturer: EM Microelectronic

Typical Reset Timeout Period
The Reset Timeout Period (t
chip capacitor rated at or above 10V is sufficient. The Reset Timeout Period (t
formula for V
t
For example a C
delay due to t
For threshold voltage between V
Copyright © 2006, EM Microelectronic-Marin SA
03/06 – rev.I
POR
(ms) = C
10000
TH
D
POR
1000
[ms]
100
(nF).
=4.63V (EM6354-4.6):
10
D
1
is needed in a certain application, the circuit EM6352 should be used instead.
of 100nF will achieve a t
1
Typical Reset Timeout Period t
[ ms ]
POR
) is programmable using an external capacitor connected to pin C
130
120
110
100
Reset Timeout Period t
TH
=4.63V and V
1.31
10
POR
of 100 ms. The tolerance of the capacitor should be taken into account. If no
TH
=1.31V , the following graphic applies :
POR
POR
vs. Capacitor C
V
100
2.93
T H
vs. V
5
VTH = 1.31 V
TH
for C
D
D
POR
=100nF at T
at T
) can be calculated using the following
A
1000
=+25°C
VTH = 4.63 V
4.63
A
=+25°C
D
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of EM6354. A ceramic
EM6354
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10000
[nF]