MAX792CSE datasheet(2/16 Pages) MAXIM

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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, 10s) .................................+300°C

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Microprocessor and Nonvolatile

Memory Supervisory Circuits

PARAMETER

Reset Active Timeout Period

CONDITIONS

MAX820R, TA = +25°C, VCC falling

2.55

2.66

MIN

TYP

MAX

UNITS

VCC rising

MAX820S, TA = +25°C, VCC falling

2.85

2.96

RESET Output Voltage

Reset Threshold Voltage—

Internal Threshold Mode

(VTH)

MAX820T, TA = +25°C, VCC falling

3.00

3.11

140

200

280

MAX792, VCC = 5V or VCC = 3V

1.25

1.30

1.35

Reset Threshold Voltage

External Threshold Mode (VTH)

MAX820, VCC = 5V or VCC = 3V

1.274

1.30

1.326

RESET IN/INT Mode Threshold

(Note 2)

Internal threshold mode

RESET IN/INT Leakage Current

±0.01

±25

Reset Threshold Hysteresis

0.016 x VTH

Reset Comparator Delay

VCC falling

µs

RESET Output Voltage

ISINK = 50µA, VCC = 1V, VCC falling

0.01

0.3

ISOURCE = 1mA

2.75

Supply Current

VCC - 1

ISINK = 1.6mA

0.1

0.4

150

µA

ISOURCE = 100µA

VCC - 0.5

ISOURCE = 1mA

VCC - 1

MAX792L, MAX820L

ISOURCE = 100µA

4.50

4.62

4.75

VCC - 0.5

MAX792M, MAX820M

4.25

4.37

4.50

MAX792R, MAX820R

ISINK = 1.6mA

2.55

2.61

2.70

0.1

0.4

MAX792S, MAX820S

2.85

2.91

3.00

MAX792T, MAX820T

3.00

3.06

3.15

MAX820L, TA = +25°C, VCC falling

4.55

4.70

MAX820M, TA = +25°C, VCC falling

4.30

4.45

ELECTRICAL CHARACTERISTICS

(VCC = 2.75V to 5.5V, TA = TMIN to TMAX, unless otherwise noted.)

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.

ABSOLUTE MAXIMUM RATINGS

RESET COMPARATOR

Operating Voltage Range

(Note 1)

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