MAX6885 データシートの表示（PDF） - Maxim Integrated

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MAX6885

EEPROM-Programmable, Hex Power-Supply Supervisory Circuits

Maxim Integrated 

EEPROM-Programmable, Hex

Power-Supply Supervisory Circuits

ELECTRICAL CHARACTERISTICS (continued)

(VIN1–VIN4 or VCC = 2.7V to 5.8V, AUXIN = WDI = GND, MARGIN = MR = DBP, TA = -40°C to +85°C, unless otherwise noted. Typical

values are at TA = +25°C.) (Notes 1, 2, 3)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

Threshold Hysteresis

Threshold Tempco

Threshold Differential Nonlinearity

VTH-HYST

∆VTH/°C

VTH DNL

0.3

% VTH

10

ppm/°C

-1

+1

LSB

IN_ Input Impedance

IN_ Input Leakage Current

Power-Up Delay

IN_ to RESET or UV/OV Delay

RIN

IIN_LKG

tD-PO

tD-R

For VIN_ < highest of VIN1–IN4 and

VIN_ < VCC

IN_ high impedance

VCC ≥ VUVLO

IN_ falling/rising, 100mV overdrive

000

130 200 300

kΩ

-150

+150

nA

2.5

ms

20

µs

0.025

001

1.406 1.5625 1.719

010

5.625 6.25 6.875

RESET and UV/OV Timeout

Period (Tables 6 and 7)

011

tRP, tUP 100

22.5

25

27.5

ms

45

50

55

101

180 200 220

RESET, UV/OV, WDO Output Low

RESET, UV/OV, WDO Output

Open-Drain Leakage Current

110

111

ISINK = 4mA, output asserted

Output high impedance

360 400 440

1440 1600 1760

0.4

V

-1

+1

µA

RESET, UV/OV, WDO Output

Pullup Resistance

RPU

VRESET, VUV/OV, VWDO = 2V

6.6

10

15.0

kΩ

MR, MARGIN, WDI Input Voltage

VIL

VIH

MR Input Pulse Width

tMR

MR Glitch Rejection

0.6

V

1.4

1

µs

100

ns

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