S-80733SN Seiko Instruments, S-80733SN Datasheet - Page 39
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S-80733SN
Manufacturer Part Number
S-80733SN
Description
Search -----> S-80733
Manufacturer
Seiko Instruments
Datasheet
1.S-80733SN.pdf
(42 pages)
Available stocks
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Manufacturer
Quantity
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Part Number:
S-80733SN-DX-T1
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HIGH-PRECISION VOLTAGE DETECTOR
S-807 Series
38
2. Power-on reset circuit
The Nch open-drain output products of the S-807 Series can be used to construct a power-on reset circuit. Following is an
example
Note 3: When there is a sharp rise in power, the output voltage may go “H” momentarily in unstable range of
Note 1: R should be 7.5k
Note 2: “Di” momentarily discharges the charge received via “C” at the falling edge of power off. There
.
the output voltage (the output voltage is unstable below the minimum operating voltage) .
is no need to insert a diode, when there is no conflict with application circuit even if there is a
delay in the falling edge of OUT at the falling edge of power off.
V
V
(V)
(V)
DD
DD
(R 7.5k )
or less for purpose of protection against oscillation.
V
V
DD
SS
C
R
Seiko Instruments Inc.
V
+
IN
-
Di
t (s)
t (s)
S-807XX
AN/SN
Figure 27
Figure 28
(Nch open-drain products)
OUT
OUT
(V)
(V)
OUT
t (s)
t (s)