MAX6402 datasheet(2/9 Pages) MAXIM

2 / 9 page

µP Supervisory Circuits in 4-Bump (2

✕ 2)

Chip-Scale Package

_______________________________________________________________________________________

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

TA = 0

°C to +70°C

1.0

5.5

Supply Voltage Range

VCC

TA = -40

°C to +85°C

1.2

5.5

MAX6400/MAX6401/MAX6402

VCC = 3.0V for VTH

≤ 2.93V,

VCC = 3.2V for VTH

≥ 2.93V, no load

0.5

1.0

Supply Current

ICC

VCC = 5.5V, no load

1.0

1.75

µA

TA = +25

°CVTH - 1.5% VTH VTH + 1.5%

Reset Threshold

VTH

Table 1

TA = -40

°C to +85°CVTH - 2.5% VTH VTH + 2.5%

MAX6400/MAX6401/MAX6402

6.3

Reset Threshold Hysteresis

MAX6403/MAX6404/MAX6405

9.5

Reset Threshold Tempco

∆VTH/°C

ppm/

°C

VCC to Reset Delay

tRD

VCC = (VTH +100mV) to (VTH - 100mV)

µs

Reset Active Timeout Period

tRP

100

185

280

VIL

0.8

VIH

VTH > 4.0V

2.0

VIL

0.2 x VCC

MR Input

VIH

VTH

≤ 4.0V

0.7 x VCC

MR Minimum Input Pulse Width

tMD

µs

MR Glitch Rejection

100

MR to Reset Delay Time

200

MR Pullup Resistance

Ω

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VCC = 1.0V to 5.5V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at VCC = 3.0V and TA = +25°C.) (Note 1)

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.

VCC ...........................................................................-0.3V to +6V

RESET, RESET (push-pull) .........................-0.3V to (VCC + 0.3V)

RESET (open-drain)..................................................-0.3V to +6V

MR ..............................................................-0.3V to (VCC + 0.3V)

Input/Output into Any Pin ....................................................20mA

Continuous Power Dissipation (TA = +70°C)

4-Bump UCSP (derate 3.8mW/°C above +70°C).........303mW

Operating Temperature Range ..........................-40°C to +85°C

Junction Temperature ......................................................+150°C

Storage Temperature Range ............................-65°C to +150°C

Bump Reflow Temperature .............................................+235°C

All voltages measured with respect to GND, unless otherwise noted.

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