stm1818r STMicroelectronics, stm1818r Datasheet - Page 8

• Manufacturer Part Number: stm1818r
• Description: Low Power Reset Circuit
• Manufacturer: STMicroelectronics

Description
1.2.3
1.2.4
1.2.5
1.2.6
8/25
Active-high RST output (push-pull)
Pulses high when V
threshold. It remains high for t
Active-low RST output (open drain with internal 5.5 k pull-up) with
manual reset detect
Pulses low when V
remains low for t
manual reset is released (see
V
Supply voltage and input for V
V
Ground, is the reference for the power supply. It must be connected to the system ground.
Table 3.
Table 4.
Table 5.
Table 6.
CC
SS
Pin
Pin
Pin
Pin
1
2
3
1
2
3
1
2
3
1
2
3
Name
Name
Name
RST
V
Name
V
RST
V
V
RST
V
RST
V
V
V
CC
SS
CC
SS
CC
SS
CC
SS
STM1810/STM1815
STM1811/STM1816
STM1812/STM1817
STM1813/STM1818
PBRST
Active-low Reset Output (Push-pull)
Supply Voltage and Input for Reset Threshold Monitor
Ground
Active-low Reset Output (Open Drain, with internal 5.5 k pull-up resistor)
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 5.5 k pull-up) with Push-
Button/Manual Reset Detect
Supply Voltage and Input for Reset Threshold Monitor
Ground
CC
CC
drops below V
drops below V
after V
CC
rec
RST
Figure
after V
rises above the reset threshold, or after the external
comparator.
RST
10). RST output has an internal 5.5 k pull-up resistor.
RST
, or RST is externally pulled low for at least 1.5 µs. It
CC
, and stays high as long as V
STM1810/1811/1812/1813/1815/1816/1817/1818
rises above the reset threshold.
Function
Function
Function
Function
CC
is below the reset