2

MIC1232

µP Supervisory Circuit

Electrical Characteristics

Parameter

Conditions

Min

Typ

Max

Units

Supply Voltage Range

VCC

4.5

5.5

V

Supply Current

ICC (See Note 1)

18

40

µA

ST and PBRST Input Levels

VIH (See Note 2)

2.0

VCC +0.3

V

VIL

-0.3

0.8

Input Leakage

IIL

±1

µA

Output Source Current, RST

VOH = 2.4V

1.0

10

mA

Output Sink Current, RST, RST

VOL = 0.4V

2.0

10

mA

VCC 5% Trip Point (Reset

TOL = Gnd

4.50

4.62

4.74

V

Threshold Voltage)

VCC 10% Trip Point (Reset

TOL = VCC

4.25

4.37

4.49

V

Threshold Voltage)

Input Capacitance, ST, TOL

CIN (See Note 3)

5

pF

Output Capacitance, RST, RST

COUT (See Note 3)

7

pF

Absolute Maximum Ratings

Terminal Voltage

VCC, . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.0V

All Other Inputs . . . . . . . . . . . . -0.3V to (VCC + 0.3V)

Input Current

VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250mA

Gnd, All Other Inputs . . . . . . . . . . . . . . . . . . . . 25mA

Operating Temperature Range

MIC1232M/N . . . . . . . . . . . . . . . . . . . . . . . .-40°C to 85°C

MIC1232D . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C

Storage Temperature Range . . . . . . . . . . . . .-65°C to 150°C

Lead Temperature (Soldering - 10 sec.) . . . . . . . . . . . 300°C

Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . 700mW

Stresses above those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent device failure. Functionality at or above these limits is not implied. Exposure to absolute

maximum ratings for extended periods may affect device reliability. Operating ranges define those limits between which the functionality of the device is guaranteed.