MAX7300AGL datasheet(2/22 Pages) MAXIM

2 / 22 page

2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or

28-Port I/O Expander

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ABSOLUTE MAXIMUM RATINGS

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.

Voltage (with respect to GND)

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

SCL, SDA, AD0, AD1................................................-0.3V to +6V

All Other Pins................................................-0.3V to (V+ + 0.3V)

P4–P31 Current ................................................................±30mA

GND Current .....................................................................800mA

Continuous Power Dissipation (TA = +70°C)

28-Pin PDIP (derate 20.8mW/°C above +70°C).........1667mW

28-Pin SSOP (derate 9.5mW/°C above +70°C) ...........762mW

36-Pin SSOP (derate 11.8mW/°C above +70°C) .........941mW

40-Pin QFN (derate 23.25mW/°C aboveTA = +70°C)..1860mW

Operating Temperature Range

(TMIN to TMAX) ...............................................-40°C to +125°C

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

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

Lead Temperature (soldering, 10s) .................................+300°C

ELECTRICAL CHARACTERISTICS

(Typical Operating Circuit, V+ = 2.5V to 5.5V, TA = TMIN to TMAX, unless otherwise noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Operating Supply Voltage

V+

2.5

5.5

TA = +25°C

5.5

TA = -40°C to +85°C10

Shutdown Supply Current

ISHDN

All digital inputs at

V+ or GND

TMIN to TMAX

µA

TA = +25°C

180

240

TA = -40°C to +85°C

260

Operating Supply Current

IGPOH

All ports programmed

as outputs high, no

load, all other inputs

at V+ or GND

TMIN to TMAX

280

µA

TA = +25°C

170

210

TA = -40°C to +85°C

230

Operating Supply Current

IGPOL

All ports programmed

as outputs low, no

load, all other inputs

at V+ or GND

TMIN to TMAX

240

µA

TA = +25°C

110

135

TA = -40°C to +85°C

140

Operating Supply Current

IGPI

All ports programmed

as inputs without

pullup, ports, and all

other inputs at V+ or

GND

TMIN to TMAX

145

µA

INPUTS AND OUTPUTS

Logic High Input Voltage

Port Inputs

VIH

0.7 x

V+

Logic Low Input Voltage

Port Inputs

VIL

0.3 x

V+

Input Leakage Current

IIH, IIL

GPIO inputs without pullup,

VPORT = V+ to GND

-100

±1

+100

V+ = 2.5V

GPIO Input Internal Pullup to V+

IPU

V+ = 5.5V

120

180

µA

Hysteresis Voltage GPIO Inputs

∆VI

0.3

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