MAX6419UK16-T(2005) 查看數據表（PDF） - Maxim Integrated

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MAX6419UK16-T
(Rev.:2005)

Low-Power, Single/Dual-Voltage µP Reset Circuits with Capacitor-Adjustable Reset Timeout Delay

Maxim Integrated 

Low-Power, Single/Dual-Voltage µP Reset Circuits

with Capacitor-Adjustable Reset Timeout Delay

ELECTRICAL CHARACTERISTICS (continued)

(VCC = 1V to 5.5V, TA = TMIN to TMAX, unless otherwise specified. Typical values are at VCC = 5V and TA = +25°C.) (Note 1)

PARAMETER

RESET Output Voltage LOW

RESET IN Leakage Current

RESET IN Threshold

RESET IN Hysteresis

MR Input

MR Minimum Pulse Width

MR Glitch Rejection

MR to RESET Delay

MR Pullup Resistance

SYMBOL

VOL

CONDITIONS

VCC ≥ 1.8V, ISINK = 500µA

VCC ≥ 2.7V, ISINK = 1.2mA

VCC ≥ 4.5V, ISINK = 3.2mA

VRST VRST falling, VCC = 1.6V to 5.0V

VIL

VCC > 4.0V

VIH

VIL

VIH

VCC < 4.0V

Pull up to VCC

MIN TYP MAX UNITS

0.3

0.3

V

0.4

10

nA

1.212 1.263 1.313

V

25

mV

0.8

2.4

0.7 x VCC

V

0.3 x VCC

1

µs

75

ns

50

µs

12

20

28

kΩ

Note 1: Devices production tested at +25°C. Over temperature limits are guaranteed by design.

(VCC = 5V, CSRT = 1500pF, TA = +25°C, unless otherwise noted.)

Typical Operating Characteristics

SUPPLY CURRENT vs.

SUPPLY VOLTAGE

4

TA = +125°C

3

TA = +25°C

2

TA = -40°C

1

0

0

1

2

3

4

5

6

SUPPLY VOLTAGE (V)

SUPPLY CURRENT vs.

TEMPERATURE

3.5

3.0

VCC = 5V

2.5

VCC = 3.3V

2.0

VCC = 1.8V

1.5

1.0

VCC = 1V

0.5

0

-50 -25

0 25 50 75 100 125

TEMPERATURE (°C)

10,000

RESET TIMEOUT PERIOD vs. CSRT

1000

100

10

1

0.1

0.001 0.01

0.1 1 10

CSRT (nF)

100 1000

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