MAX63__L_ datasheet(4/11 Pages) MAXIM

Part #	MAX63__L_

Description	Dual/Triple-Voltage 關P Supervisory Circuits

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Manufacturer	MAXIM [Maxim Integrated Products]

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Dual/Triple-Voltage

µP Supervisory Circuits

4

_______________________________________________________________________________________

Typical Operating Characteristics

(VCC1 = +5V, TA = +25°C, unless otherwise noted.)

0

5

10

15

20

-40

10

-15

35

6085

SUPPLY CURRENT vs. TEMPERATURE

TEMPERATURE (

°C)

ICC1 (VCC1 = 5.0V, VCC2 = 3.3V)

ICC2 (VCC1 = 5.0V, VCC2 = 3.3V)

ICC2 (VCC1 = 3.3V, VCC2 = 2.5V)

ICC1 (VCC1 = 3.3V, VCC2 = 2.5V)

VCC1 (V)

RESET vs. VCC1 (VCC2 > VTH2)

VTH

0

1.0

0.5

2.0

1.5

3.0

2.5

3.5

4.5

4.0

5.0

01.0 1.52.0

0.5

2.5 3.0 3.5

4.5

4.0

5.0

MAX6356L_

0

1.0

0.5

2.0

1.5

3.0

2.5

3.5

4.5

4.0

5.0

01.0 1.52.0

0.5

2.5 3.0 3.5

4.5

4.0

5.0

VCC1 (V)

RESET vs. VCC1 (VCC2 = GND)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

MR Pullup Resistance

32

63.5

100

k

Ω

MR Minimum Pulse Width

tRP

1µs

MR Glitch Rejection

100

ns

MR to Reset Delay

tMD

0.1

µs

ADJUSTABLE RESET COMPARATOR INPUT (MAX6355/MAX6356/MAX6357)

TA = +25°C

1.20

1.22

1.24

RSTIN Input Threshold

VRSTIN

VCC1 > VTH1(MAX),

VCC2 > VTH2(MAX)

TA = -40°C to +85°C

1.19

1.25

V

RSTIN Input Current

IRSTIN

0 < VRSTIN < VCC1 - 0.3V

-25

25

nA

RSTIN Hysteresis

2.5

mV

Note 1: Overtemperature limits are guaranteed by design and not production tested.

Note 2: The reset output is guaranteed to be in the correct state if either VCC1 or VCC2 is within its specified region of operation.

Note 3: The reset output(s) is asserted if either VCC1 or VCC2 drops below its associated trip point.

Note 4: Guaranteed by design. Not production tested.

Note 5: WDI is internally serviced within the watchdog timeout period if WDI is left unconnected.

Note 6: The WDI input current is specified as the average input current when the WDI input is driven high or low.

ELECTRICAL CHARACTERISTICS (continued)

(VCC1 = VCC2 = +1.2V to +5.5V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)

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