Micrel, Inc.

MIC705/706/707/708

Absolute Maximum Ratings

(1)

Terminal Voltage

VCC .......................................................

−0.3V to +6.0V

All Other Inputs. ...........................

−0.3V to (V

Input Current

VCC, GND ............................................................25mA

Output Current (All) .....................................................20mA

Lead Temperature (soldering, 10s)............................ 300°C

Operating Ratings

(2)

Operating Temperature Range ................... –40°C to +85°C

Power Dissipation (SOP) ......................................... 400mW

Thermal Resistance

8-Pin SOIC.......................................................150°C/W

Electrical Characteristics

(3)

bold values indicate –40°C

Parameter

Condition

Min.

Typ.

Max.

Units

Operating Voltage Range

1.4

5.5

V

Supply Current

60

µA

Reset Voltage Threshold

MIC705, MIC707

4.50

4.65

4.75

V

MIC706, MIC708

4.25

4.4

4.5

Reset Threshold Hysteresis

40

mV

140

200

280

ms

/RESET Output Voltage

V

0.4

RESET Output Voltage

V

0.4

1.0

1.6

2.25

s

50

ns

WDI Threshold Voltage

3.5

V

0.8

WDI Input Current

WDI = 0V

−150

−50

µA

50

150

WDO Output Voltage

V

0.4

/MR Pull-Up Current

/MR = 0V

100

250

600

µA

Notes:

1.

Exceeding the absolute maximum ratings may damage the device.

2.

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

3.

Specification for packaged product only

September 15, 2014

4

Revision 2.1