MAX823MEXK datasheet(7/14 Pages) MICREL

Part #	MAX823MEXK

Description	Voltage Supervisor with Watchdog Timer and Manual Reset

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Manufacturer	MICREL [Micrel Semiconductor]

Direct Link	http://www.micrel.com

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7 / 14 page

Micrel, Inc.

MAX823/4/5

January 14, 2014

7

Revision 1.0

Electrical Characteristics (Continued)

(5)

VCC = 4.7V to 5.5V for MAX823/4/5L, VCC = 4.5V to 5.5V for MAX823/4/5M, VCC = 3.15V to 3.6V for MAX823/4/5T, VCC = 3.0V to 3.6V

for MAX823/4/5S, VCC = 2.7V to 3.6V for MAX823/4/5R, VCC = 2.38V to 2.75V for MAX823/4/5Z, VCC = 2.25V to 2.75V for

MAX823/4/5Y, VCC = 1.75V to 2.0V for MAX823/4/5W; TJ = +25˚C, bold values

(6) indicate –40˚C ≤ T

J ≤ +125˚C, unless otherwise noted.

Parameter

Condition

Min.

Typ.

Max.

Units

Manual Reset Input (/MR)

Input Low Voltage (VIL)

0.3 × VCC

V

Input High Voltage (VIH)

0.7 × VCC

V

/MR Pulse Width

1.0

µs

/MR Noise Immunity (pulse

width with no reset)

100

ns

/MR to RESET Delay

500

ns

/MR Internal Pull-Up Resistor

35

52

75

k

Ω

Notes:

2.

Exceeding the absolute maximum ratings may damage the device.

3.

The device is not guaranteed to function outside its operating ratings.

4.

Devices are ESD sensitive. Handling precautions are recommended. Human body model, 1.5k

Ω in series with 100pF.

5.

Specification for packaged product only.

6.

Overtemperature limits are guaranteed by design and not product tested.

7.

The /RESET short-circuit current is the maximum pull-up current when /RESET is driven low by µP bidirectional reset pin.

8.

The WDI input is designed to drive a three-state output device with a 10µA maximum leakage current and a maximum capacitance of 200pF.

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MAX823MEXK Datasheet(PDF) 7 Page - Micrel Semiconductor

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