DS1813 Dallas Semiconductor, DS1813 Datasheet - Page 2
DS1813
Manufacturer Part Number
DS1813
Description
5V EconoReset
Manufacturer
Dallas Semiconductor
Datasheet
1.DS1813.pdf
(5 pages)
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OPERATION - POWER MONITOR
The DS1813 provides the functions of detecting out-of-tolerance power supply conditions and warning a
processor-based system of impending power failure. When V
signal is asserted. On power-up,
reached the selected tolerance. This allows the power supply and microprocessor to stabilize before
is released.
OPERATION - PUSHBUTTON RESET
The DS1813 provides for a pushbutton switch for manual reset control. When the DS1813 is not in a reset
cycle, a pushbutton reset can be generated by pulling the
pushbutton is held low, the
the pushbutton is released. See Figure 2 for an application example and Figure 3 for the timing diagram.
BLOCK DIAGRAM (OPEN-DRAIN OUTPUT) Figure 1
APPLICATION EXAMPLE Figure 2
www.DataSheet4U.com
RESET
RST
is forced active low and will remain active low for about 150 ms after
is kept active for approximately 150 s after the power supply has
2 of 5
RST
CC
is detected as out-of-tolerance, the
pin low for at least 1 ms. When the
DS1813
RST
RST