DS1810 datasheet(2/5 Pages) DALLAS

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DS1810 Datasheet(PDF) 2 Page - Dallas Semiconductor

Part #	DS1810

Description	5V EconoReset with Push-Pull Output

Download	5 Pages

Scroll/Zoom	100%

Manufacturer	DALLAS [Dallas Semiconductor]

Direct Link	https://www.maximintegrated.com/en.html

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2 / 5 page

DS1810

2 of 5

OPERATION - POWER MONITOR

The DS1810 provides the function of detecting out-of-tolerance power supply conditions and warning a

processor-based system of impending power failure. When VCC is detected as out-of-tolerance, the RST

signal is asserted. On power-up, RST is kept active for approximately 150 ms after the power supply has

reached the selected tolerance. This allows the power supply and microprocessor to stabilize before RST

is released.

BLOCK DIAGRAM (PUSH-PULL OUTPUT) Figure 1

APPLICATION EXAMPLE Figure 2

OUTPUT VALID CONDITIONS

All versions of the DS1810 can maintain a valid output as long as VCC remains above 1.2 volt. However,

the RST outputs on the DS1810 use a push-pull structure which can maintain a valid output below 1.2

volts on an input. To sink current below 1.2 volts, a resistor can be connected from RST to Ground (see

Figure 3). This arrangement will maintain a valid value on the RST outputs even it VCC approaches 0

volts. During both power-up and -down this arrangement will draw current when RST is in the high state.

A value of about 100 k

should be adequate to maintain a valid condition.

Manufacturer	Part #	Datasheet	Description
Maxim Integrated Produc...	DS1810	122Kb / 5P	5V EconoReset with Push-Pull Output 041002

Manufacturer	Part #	Datasheet	Description
Maxim Integrated Produc...	DS1810	122Kb / 5P	5V EconoReset with Push-Pull Output 041002
Dallas Semiconductor	DS1812	41Kb / 5P	5V EconoReset with Active High Push-Pull Output
Maxim Integrated Produc...	DS1812	119Kb / 5P	5V EconoReset with Active High Push-Pull Output 041002
Maxim Integrated Produc...	DS1815	121Kb / 5P	3.3V EconoReset with Push-Pull Output 041002
Dallas Semiconductor	DS1815	53Kb / 5P	3.3V EconoReset with Push-Pull Output
Maxim Integrated Produc...	DS1811	119Kb / 5P	5V EconoReset with Open Drain Output 041002
Dallas Semiconductor	DS1811	48Kb / 5P	5V EconoReset with Open Drain Output
Maxim Integrated Produc...	DS1833	120Kb / 5P	5V EconoReset 041002
Dallas Semiconductor	DS1813	59Kb / 5P	5V EconoReset with Pushbutton
Maxim Integrated Produc...	DS1813	211Kb / 5P	5V EconoReset with Pushbutton REV: 022306

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