STM1815R STMICROELECTRONICS [STMicroelectronics], STM1815R Datasheet - Page 6
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STM1815R
Manufacturer Part Number
STM1815R
Description
Low Power Reset Circuit
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.STM1815R.pdf
(20 pages)
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Quantity
Price
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STM1810/1811/1812/1813/1815/1816/1817/1818
PIN DESCRIPTIONS
See
Names
ed to this device.
Active-Low RST Output (Push-pull). Pulses
low when V
long as V
mains low for t
threshold.
Active-Low RST Output (Open Drain). Pulses
low when V
long as V
mains low for t
threshold. RST output has an internal 5.5k
up resistor.
Table 3. STM1810/STM1815
Table 4. STM1811/STM1816
Table 5. STM1812/STM1817
Table 6. STM1813/STM1818
6/20
Pin
Pin
Pin
Pin
1
2
3
1
2
3
1
2
3
1
2
3
Figure 2., Logic Diagram
for a brief overview of the signals connect-
CC
CC
CC
CC
Name
Name
Name
Name
RST
RST
RST
RST
V
V
V
V
V
V
V
V
is below the reset threshold. It re-
is below the reset threshold. It re-
CC
CC
CC
CC
SS
SS
SS
SS
drops below V
drops below V
rec
rec
after V
after V
Active-low Reset Output (Push-pull)
Supply Voltage and Input for Reset Threshold Monitor
Ground
Active-low Reset Output (Open Drain, with internal 5.5k
Supply Voltage and Input for Reset Threshold Monitor
Ground
Active-high Reset Output (Push-pull)
Supply Voltage and Input for Reset Threshold Monitor
Ground
Active-low Reset Output (Open Drain, with internal 5.5k
Reset Detect
Supply Voltage and Input for Reset Threshold Monitor
Ground
CC
CC
rises above the reset
rises above the reset
RST
RST
and
, and stays low as
, and stays low as
Table 2., Signal
pull-
Active-high RST Output (Push-pull). Pulses
high when V
as long as V
mains high for t
threshold.
Active-Low RST Output (Open Drain with inter-
nal 5.5k
Pulses low when V
is externally pulled low for at least 1.5µs. It re-
mains low for t
set threshold, or after the external manual reset is
released (see
an internal 5.5k
V
tor.
V
ply. It must be connected to the system ground.
CC
SS
Function
Function
Function
Function
. Ground, is the reference for the power sup-
. Supply voltage and input for V
pull-up) with Manual Reset Detect.
CC
CC
Figure 10., page
PBRST
rec
drops below V
is below the reset threshold. It re-
pull-up) with Push-Button/Manual
pull-up resistor)
pull-up resistor.
after V
CC
after V
drops below V
CC
CC
rises above the reset
RST
rises above the re-
8). RST output has
, and stays high
RST
RST
compara-
, or RST