MIC70 Datasheet, PDF (2/8 Pages) Micrel Semiconductor – μP Supervisory Circuits

MIC705/6/7/8 µP Supervisory Circuits
Absolute Maximum Ratings
Terminal Voltage
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.0V
All Other Inputs . . . . . . . . . . . . -0.3V to (VCC + 0.3V)
Input Current
VCC, Gnd. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25mA
Output Current (all outputs) . . . . . . . . . . . . . . . . . 20mA
Operating Temperature Range
MIC70_N, MIC70_M . . . . . . . . . . . . . . . . . -40°C to 85°C
Storage Temperature Range . . . . . . . . . . . . .-65°C to 150°C
Lead Temperature (Soldering - 10 sec.) . . . . . . . . . . . 300°C
Power Dissipation (PDIP) . . . . . . . . . . . . . . . . . . . . 475mW
Power Dissipation (SOIC) . . . . . . . . . . . . . . . . . . . . 400mW
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.
Electrical Characteristics
VCC = 4.75V to 5.5V for MIC705/MIC707, VCC = 4.5V to 5.5V for MIC706/MIC708, T_A = -40°C to 85°C unless otherwise noted.
Parameter
Operating Voltage Range, VCC
Conditions
MIC70--
Min
Typ
1.4
Supply Current
MIC70--
Reset Voltage Threshold
MIC705, MIC707
MIC706, MIC708
4.50
4.65
4.25
4.4
Reset Threshold Hysteresis
40
Reset Pulse Width, t_RS
140
200
RESET Output Voltage
ISource = 800µA
ISink = 3.2mA
MIC70--C, ISink = 50µA, VCC = 1.4V
VCC - 1.5V
RESET Output Voltage
ISource = 800µA
ISink = 1.2mA
VCC - 1.5V
Watchdog Timeout Period, t_WD
1.0
1.6
WDI Minimum Input Pulse, t_WP VIL = 0.4V, VIH = 80% of VCC
50
WDI Threshold Voltage
VIH, VCC = 5V
3.5
VIL, VCC = 5V
WDI Input Current
WDI = 0V
WDI = VCC
-150
-50
50
WDO Output Voltage
ISource = 800µA
ISink = 1.2mA
VCC - 1.5V
Max
Units
5.5
V
60
µA
4.75
V
4.5
mV
280
ms
V
0.4
0.3
V
0.4
2.25
sec
ns
V
0.8
µA
150
V
0.4
2