MIC8114 Microprocessor Reset Circuit

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

915

µA

Reset Voltage Threshold, VTH

3.00

3.08

3.15

V

Reset Timeout Period

790

1200

1800

ms

RESET Output Voltage, VOH

ISource = 500µA

0.8 X VCC

V

RESET Output Voltage, VOL

VCC=VTH Min., ISink =1.2mA

0.3

V

VCC>1.4V, ISink =50µA, TA = 0°C to 70°C

0.3

V

VCC>1.6V, ISink =50µA, TA = -40°C to 85°C

0.3

V

MR Minimum Pulse Width

10

µs

MR to Reset Delay

0.5

µs

MR Input Threshold, VIH

0.7 X VCC

V

MR Input Threshold, VIL

0.25 X VCC

V

MR Pull-Up Resistance

10

20

30

k

Ω

MR Glitch Immunity

100

ns

Absolute Maximum Ratings

Terminal Voltage

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

MR . . . . . . . . . . . . . . . . . . . . . -0.3V to (VCC + 0.3V)

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

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

20mA

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

Operating Temperature Range

MIC8114TU . . . . . . . . . . . . . . . . . . . . . . . . -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

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.