Voltage Supervisors | CAT872

Dual Input Reset Generator

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概览

CAT871, CAT872 are dual input reset generators designed to restart microprocessor and microcontroller based systems when the watchdog timer or other resetting mechanisms have become disabled or failed.

CAT871, CAT872 monitor two inputs and output an active low reset pulse after both inputs have been active (logic low) for a factory preset minimum time. The reset pulse width is 2.2 ms for CAT871 and 70 ms for CAT872. Releasing either input from its active state before the minimum timeout period resets the internal timer and both inputs must return to being active before the timer will restart with a fresh count down.

CAT871, CAT872's open drain output is capable of sinking up to 3 mA of current and may be wire-OR'd with other open drain devices to drive a common reset input.

  • Mobile Phones
  • PDAs
  • MP3 Players
  • Personal Navigation Devices
  • Operate on 1.65 V to 5.5 V Power Supplies
  • Ultra Low Quiescent Current: 10 nA (typical)
  • Schmitt Trigger Inputs
  • 8 Factory Preset Delay Times from 0.5 s to 5 s to Choose From
  • Small µLLGA-6 Package: 1.45 x 1.0 x 0.4 mm
  • These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS Compliant

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状态

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Voltages Monitored

VCC Max (V)

V(TO) Typ (V)

IQ Typ (µA)

Reset Active State

Reset Timer

Manual Reset

Watchdog Timer

Reference Price

CAT872-05ULGT3

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

ULLGA-6

613AF

1

260

REEL

3000

N

0

5.5

-

0.05

Low

Yes

Yes

No

Price N/A

More Details

CAT872-10ULGT3

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

ULLGA-6

613AF

1

260

REEL

3000

N

0

5.5

-

0.05

Low

Yes

Yes

No

Price N/A

More Details

CAT872-15ULGT3

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

ULLGA-6

613AF

1

260

REEL

3000

N

0

5.5

-

0.05

Low

Yes

Yes

No

Price N/A

More Details

CAT872-20ULGT3

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

ULLGA-6

613AF

1

260

REEL

3000

N

0

5.5

-

0.05

Low

Yes

Yes

No

Price N/A

More Details

CAT872-25ULGT3

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

ULLGA-6

613AF

1

260

REEL

3000

N

0

5.5

-

0.05

Low

Yes

Yes

No

Price N/A

More Details

CAT872-30ULGT3

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

ULLGA-6

613AF

1

260

REEL

3000

N

0

5.5

-

0.05

Low

Yes

Yes

No

Price N/A

More Details

CAT872-40ULGT3

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

ULLGA-6

613AF

1

260

REEL

3000

N

0

5.5

-

0.05

Low

Yes

Yes

No

Price N/A

More Details

CAT872-50ULGT3

Contact Sales

Last Shipments

CAD Model

Pb

A

H

P

ULLGA-6

613AF

1

260

REEL

3000

N

0

5.5

-

0.05

Low

Yes

Yes

No

Price N/A

More Details

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