STM1812 STMicroelectronics, STM1812 Datasheet - Page 7

• Manufacturer Part Number: STM1812
• Description: Low Power Reset Circuit
• Manufacturer: STMicroelectronics

Specifications of STM1812

• Operating Temperature: –40 °C to 105 °C
• ± 2.5% Reset Threshold Accuracy: (–40 °C to 105 °C)

STM1810/1811/1812/1813/1815/1816/1817/1818
1.1
1.2
1.2.1
1.2.2
Functional block diagrams
Figure 4.
1. RST for STM1812 and STM1817.
Figure 5.
1. 5.5 kΩ internal pull-up resistor.
Figure 6.
1. 5.5 kΩ internal pull-up resistor.
Pin descriptions
See
Active-low RST output (push-pull)
Pulses low when V
threshold. It remains low for t
Active-low RST output (open-drain)
Pulses low when V
threshold. It remains low for t
an internal 5.5 kΩ pull-up resistor.
Figure 1
Push-pull active-low output (STM1810/1812/1815/1817)
Open-drain, active-low output (STM1811/1816)
Open-drain, active-low output (bidirectional, manual reset detect,
STM1813/1818)
and
Table 2
CC
CC
drops below V
drops below V
for a brief overview of the signals connected to this device.
rec
rec
Doc ID11464 Rev 8
after V
after V
RST
RST
CC
CC
, and stays low as long as V
, and stays low as long as V
rises above the reset threshold.
rises above the reset threshold. RST output has
CC
CC
is below the reset
is below the reset
Description
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