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DS1813-5 Datasheet

  • DS1813-5

  • 5V EconoReset with Pushbutton

  • 5頁

  • DALLAS   DALLAS

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DS1813
5V EconoReset with Pushbutton
www.dalsemi.com
FEATURES
Automatically restarts a microprocessor after
power failure
Monitors pushbutton for external override
Maintains reset for typically 150 ms after V
CC
returns to an in-tolerance condition
Reduces need for discrete components
Precision temperature-compensated voltage
reference and voltage sensor
Low-cost TO-92 or space saving surface-
mount SOT-23 packages available
Efficient open-drain output with internal
5.5 k鈩?pull-up resistor
Operating temperature -40擄C to +85擄C
PIN ASSIGNMENT
3
1
2
SOT-23 PACKAGE
1 2 3
1 2 3
TO-92 PACKAGE
See Mech.
Drawings Section
PIN DESCRIPTION
TO-92
1
2
3
RST
V
CC
GND
Active Low Reset Output
Power Supply
Ground
SOT-23
1
2
3
RST
V
CC
GND
Active Low Reset Output
Power Supply
Ground
DESCRIPTION
The DS1813 EconoReset uses a precision temperature reference and comparator circuit to monitor the
status of the power supply (V
CC
). When an out-of-tolerance condition is detected, an internal power-fail
signal is generated which forces reset to the active state. When V
CC
returns to an in-tolerance condition,
the reset signal is kept in the active state for approximately 150 ms to allow the power supply and
processor to stabilize.
The DS1813 also monitors a pushbutton on the reset output. If the reset line is pulled low, a reset is
generated upon release and will be held in reset output low for typically 150 ms.
1 of 5
111999

DS1813-5 產(chǎn)品屬性

  • Lead (SnPb) Finish for COTSObsolescence Mitigation Program

  • 1

  • 集成電路 (IC)

  • PMIC - 監(jiān)控器

  • EconoReset

  • 簡單復(fù)位/加電復(fù)位

  • 1

  • 開路漏極或開路集電極

  • 低有效

  • 最小為 100 ms

  • 4.62V

  • -40°C ~ 85°C

  • 通孔

  • TO-226-3、TO-92-3 標(biāo)準(zhǔn)主體

  • TO-92-3

  • 散裝

  • DS18135

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