MAX7318 datasheet(5/19 Pages) MAXIM

Part #	MAX7318

Description	2-Wire-Interfaced, 16-Bit, I/O Port Expander with Interrupt and Hot-Insertion Protection

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Manufacturer	MAXIM [Maxim Integrated Products]

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5 / 19 page

2-Wire-Interfaced, 16-Bit, I/O Port Expander

with Interrupt and Hot-Insertion Protection

_______________________________________________________________________________________

5

Pin Description

Typical Operating Characteristics (continued)

(TA = +25°C, unless otherwise noted.)

I/O SOURCE CURRENT

vs. OUTPUT HIGH VOLTAGE

V+ - VOH (V)

0.6

0.5

0.3

0.4

0.2

0.1

5

10

15

20

25

30

35

40

45

50

0

V+ = 5V

TA = +125

°C

TA = +25

°C

TA = -40

°C

I/O HIGH VOLTAGE vs. TEMPERATURE

TEMPERATURE (

°C)

100

75

50

25

0

-25

100

200

300

400

500

0

-50

125

V+ = 5V, ISOURCE = 10mA

V+ = 2V, ISOURCE = 10mA

TSSOP/

SSOP/SO

THIN

QFN

NAME

FUNCTION

122

INT

Interrupt Output (Open Drain)

2

23

AD1

Address Input 1

3

24

AD2

Address Input 2

4–11

1–8

I/O0–I/O7

Input/Output Port 1

12

9

GND

Supply Ground

13–20

10–17

I/O8–I/O15

Input/Output Port 2

21

18

AD0

Address Input 0

22

19

SCL

Serial Clock Line

23

20

SDA

Serial Data Line

24

21

V+

Supply Voltage. Bypass with a 0.047µF capacitor to GND.

—

EP

Exposed Pad on Package Underside. Connect to GND.

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