STM6510 STMicroelectronics, STM6510 Datasheet - Page 9
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STM6510
Manufacturer Part Number
STM6510
Description
Microprocessor Supervisors and Reset ICs, Smart Reset ICs
Manufacturer
STMicroelectronics
Datasheet
1.STM6510.pdf
(26 pages)
Specifications of STM6510
Operating Temperature
industrial grade –40 °C to +85 °C
Tdfn8 Package
2 mm x 2 mm x 0.75 mm
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STM6510
1.3
1.3.1
1.3.2
1.3.3
1.3.4
Pin descriptions
Power supply (V
This pin is used to provide the power to the Smart Reset™ device and to monitor the power
supply. A 0.1 µF decoupling ceramic capacitor is recommended to be connected between
the V
Ground (V
This is the supply ground for the device.
Smart Reset™ push-button inputs (SR0, SR1)
Both SR0 and SR1 need to be held active at the same time for at least t
reset output pulse. Include an internal 65 kΩ pull-up resistor to V
Figure 6.
Adjustable delay of Smart Reset™ input (SRC pin)
This pin controls the setup time before the push-button action is validated by the reset
output. It is connected to an external capacitor (C
desired value of setup time (t
Calculated t
Table 2.
1. Example calculations based on an ideal capacitor. During application design and component selection it
2. In case of repeated activations of the t
Calculated C
should be considered that the current flowing into the external t
the order of 100 nA, therefore a low-leakage capacitor (ceramic or film capacitor) and an adequate PCB
environment should be used to prevent t
value of C
activations to fully discharge C
SR0
SR1
RST
value [µF]
CC
0.2
0.3
0.6
and V
1
SRC
SRC
Timing waveforms
t
SS
SRC
SRC
SS
is 0.01 µF.
)
and C
pins.
programmed by an ideal external capacitor
CC
SRC
)
Min.
10
examples are given in
2
3
6
SRC
SRC
Doc ID 16788 Rev 2
, so that the next t
).
SRC
Setup delay t
SRC
counter, an interval of 10 ms min. is needed between the
accuracy from being affected. A recommended minimum
Typ.
4.5
15
SRC
3
9
t SRC
SRC
is as specified.
SRC
Table
[s]
), which is tied to ground to provide the
(1)(2)
SRC
2. Refer also to
programming capacitor (C
t REC
Max.
12
20
4
6
CC
for each input.
Table
SRC
Closest common
C
to activate the
SRC
6.
SRC
Description
value [µF]
0.22
0.33
0.56
) is on
1
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