2

Electrical Characteristics

Parameter

Conditions

Min

Typ

Max

Units

Operating Voltage Range, VCC TA = 0°C to 70°C

1.4

5.5

V

TA = -40°C to 85°C

1.6

5.5

Supply Current, ICC

920

µA

Reset Voltage Threshold, VTH

MIC1815-10

2.80

2.88

2.97

V

MIC1815-20

2.47

2.55

2.64

Reset Timeout Period

100

150

250

ms

RESET Output Voltage, VOH

ISource = 800µA

VCC - 1.5V

V

RESET Output Voltage, VOL

VCC=VTH Min., ISink=1.2mA

0.4

V

VCC>1.4V, ISink =50µA

0.3

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.

Absolute Maximum Ratings

Terminal Voltage

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

Input Current, VCC, . . . . . . . . . . . . . . . . . . . . . . . 20mA

Output Current, RESET . . . . . . . . . . . . . .

20mA

Rate of Rise, VCC . . . . . . . . . . . . . . . . . . . . . . 100V/µs

Operating Temperature Range

MIC1815-U . . . . . . . . . . . . . . . . . . . . . . . . -40°C to 85°C

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

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

Power Dissipation (TA = +70°C) . . . . . . . . . . . . . . . . 320mW

MIC1815 Microprocessor Reset Circuit