MAX820(1998) Ver la hoja de datos (PDF) - Maxim Integrated
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MAX820 Datasheet PDF : 16 Pages
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Microprocessor and Non-Volatile
Memory Supervisory Circuits
ABSOLUTE MAXIMUM RATINGS
Input Voltage (with respect to GND)
VCC .......................................................................-0.3V to +6V
All Other Inputs.......................................-0.3V to (VCC + 0.3V)
Input Current
GND ................................................................................25mA
All Other Outputs ............................................................25mA
Continuous Power Dissipation (TA = +70°C)
Plastic DIP (derate 10.53mW/°C above +70°C) ..........842mW
Narrow SO (derate 9.52mW/°C above +70°C) ............762mW
CERDIP (derate 10.00mW/°C above +70°C) ...............800mW
Operating Temperature Ranges:
MAX792_C__/MAX820_C__ ................................0°C to +70°C
MAX792_E__/MAX820_E__ .............................-40°C to +85°C
MAX792_MJE__/MAX820_MJE__ ..................-55°C to +125°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(VCC = 2.65V to 5.5V, TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER
Operating Voltage Range
Supply Current
RESET COMPARATOR
Reset Threshold Voltage—
Internal Threshold Mode
(VTH)
Reset Threshold Voltage
External Threshold Mode (VTH)
RESET IN/INT Mode Threshold
(Note 2)
RESET IN/INT Leakage Current
Reset Threshold Hysteresis
Reset Comparator Delay
Reset Active Timeout Period
RESET Output Voltage
RESET Output Voltage
CONDITIONS
MAX792L, MAX820L
MAX792M, MAX820M
MAX792R, MAX820R
MAX792S, MAX820S
MAX792T, MAX820T
MAX820L, TA = +25°C, VCC falling
MAX820M, TA = +25°C, VCC falling
MAX820R, TA = +25°C, VCC falling (Note 1)
MAX820S, TA = +25°C, VCC falling
MAX820T, TA = +25°C, VCC falling
MAX792, VCC = 5V or VCC = 3V
MAX820, VCC = 5V or VCC = 3V
Internal threshold mode
VCC falling
VCC rising
ISINK = 50µA, VCC = 1V, VCC falling
ISINK = 1.6mA
ISOURCE = 1mA
ISOURCE = 100µA
ISINK = 1.6mA
ISOURCE = 1mA
ISOURCE = 100µA
MIN
TYP
2.65
70
MAX
150
4.50
4.25
2.55
2.85
3.00
4.55
4.30
2.55
2.85
3.00
1.25
1.274
4.62 4.75
4.37 4.50
2.61 2.70
2.91 3.00
3.06 3.15
4.70
4.45
2.66
2.96
3.11
1.30 1.35
1.30 1.326
60
±0.01 ±25
0.016 x VTH
70
140
200
280
0.01
0.3
0.1
0.4
VCC - 1
VCC - 0.5
0.1
0.4
VCC - 1
VCC - 0.5
UNITS
V
µA
V
V
mV
nA
V
µs
ms
V
V
2 _______________________________________________________________________________________
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