MAX809S datasheet(3/8 Pages) MAXIM

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3-Pin Microprocessor Reset Circuits

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ELECTRICAL CHARACTERISTICS (continued)

(VCC = full range, TA = -40°C to +105°C (SOT23) or TA = -40°C to +125°C (SC70), unless otherwise noted. Typical values are at TA =

+25°C, VCC = 5V for L/M/J versions, VCC = 3.3V for T/S versions, VCC = 3V for R version, and VCC = 2.5V for Z version.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

TA = +25°C

4.56

4.63

4.70

TA = -40°C to +85°C

4.50

4.75

MAX8_ _L

TA = -40°C to +125°C

4.44

4.82

TA = +25°C

4.31

4.38

4.45

TA = -40°C to +85°C

4.25

4.50

MAX8_ _M

TA = -40°C to +125°C

4.20

4.56

TA = +25°C

3.04

3.08

3.11

TA = -40°C to +85°C

3.00

3.15

MAX8_ _T

TA = -40°C to +125°C

2.95

3.21

TA = +25°C

2.89

2.93

2.96

TA = -40°C to +85°C

2.85

3.00

MAX8_ _S

TA = -40°C to +125°C

2.81

3.05

TA = +25°C

2.59

2.63

2.66

TA = -40°C to +85°C

2.55

2.70

MAX8_ _R

TA = -40°C to +125°C

2.52

2.74

TA = +25°C

2.28

2.32

2.35

TA = -40°C to +85°C

2.25

2.38

Reset Threshold

(SC70 only)

VTH

MAX8_ _Z

(SC70 only)

TA = -40°C to +125°C

2.22

2.42

Reset Threshold Tempco

ppm/°C

VCC to Reset Delay (Note 2)

VCC = VTH to (VTH - 100mV)

μs

TA = -40°C to +85°C

140

240

560

Reset Active Timeout Period

(SOT23)

TA = +85°C to +105°C

100

840

TA = -40°C to +85°C

140

240

460

Reset Active Timeout Period

(SC70)

TA = +85°C to +125°C

100

840

VCC = VTH min, ISINK = 1.2mA,

MAX803R/S/T/Z, MAX809R/S/T/Z

0.3

VCC = VTH min, ISINK = 3.2mA,

MAX803L/M, MAX809J/L/M

0.4

RESET Output Voltage Low

(push-pull active low and open-

drain active low, MAX803 and

MAX809)

VOL

VCC > 1.0V, ISINK = 50μA

0.3

VCC > VTH max, ISOURCE = 500μA,

MAX803R/S/T/Z, MAX809R/S/T/Z

0.8VCC

RESET Output Voltage High

(push-pull active low MAX809)

VOH

VCC > VTH max, ISOURCE = 800μA,

MAX803L/M, MAX809J/L/M

VCC - 1.5

VCC = VTH max, ISINK = 1.2mA,

MAX810R/S/T/Z

0.3

RESET Output Voltage Low

(push-pull active high, MAX810)

VOL

VCC = VTH max, ISINK = 3.2mA,

MAX810L/M

0.4

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