MAX7300ATI+

更新时间： 2024-11-27 13:11:03

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数据手册

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MAX7300ATI+ 数据手册

19-2413; Rev 7; 9/11

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

28-Port I/O Expander

MAX730

General Description

Features

The MAX7300 compact, serial-interfaced, I/O expan-

sion peripheral provides microprocessors with up to 28

ports. Each port is individually user configurable to

either a logic input or logic output.

o 400kbps I²C-Compatible Serial Interface

o 2.5V to 5.5V Operation

o -40°C to +125°C Temperature Range

o 20 or 28 I/O Ports, Each Configurable as

Each port can be configured as either a push-pull logic

output capable of sinking 10mA and sourcing 4.5mA, or a

Schmitt logic input with optional internal pullup. Seven

ports feature configurable transition detection logic, which

generates an interrupt upon change of port logic level.

The MAX7300 is controlled through an I²C-compatible 2-

wire serial interface, and uses four-level logic to allow 16

I²C addresses from only two select pins.

Push-Pull Logic Output

Schmitt Logic Input

Schmitt Logic Input with Internal Pullup

o 11µA (max) Shutdown Current

o Logic Transition Detection for Seven I/O Ports

Ordering Information

The MAX7300AAX and MAX7300ATL have 28 ports and

are available in 36-pin SSOP and 40-pin TQFN pack-

ages, respectively. The MAX7300AAI and MAX7300ATI

have 20 ports and are available in 28-pin SSOP and

TQFN packages. For an SPI-interfaced version, refer to

the MAX7301 data sheet. For a pin-compatible port

expander with additional 24mA constant-current LED

drive capability, refer to the MAX6956 data sheet.

PART

MAX7300AAI

MAX7300ATI

MAX7300AAX

TEMP RANGE

-40°C to +125°C

PIN-PACKAGE

28 SSOP

28 TQFN-EP*

36 SSOP

MAX7300ATL

40 TQFN-EP*

*EP = Exposed pad.

Devices are also available in a lead(Pb)-free/RoHS-compliant pack-

age. Specify lead-free by adding "+" to the part number when order-

ing. Devices are also available in tape-and-reel packaging. Specify

tape and reel by adding "T" to the part number when ordering.

Applications

Industrial Controllers

White Goods

Automotive

System Monitoring

Typical Operating Circuit

Pin Configurations

I/O 4

I/O 5

V+

GND

TOP VIEW

I/O 6

47nF

39kΩ

GND

ISET

I/O 7

ISET

GND

AD0

P12

P13

P14

P15

P16

28 V+

I/O 8

27 AD1

26 SCL

25 SDA

24 P31

I/O 9

P10

P11

P12

P13

P14

P15

P16

P17

P18

P19

P20

P21

P22

P23

I/O 10

I/O 11

I/O 12

I/O 13

I/O 14

I/O 15

AD1

AD0

SDA

SCL

MAX7300AAX

DATA

CLOCK

MAX7300

23 P30

P31

P30

P29

P28

P27

P26

P25

P24

I/O 16

I/O 17

I/O 18

I/O 19

I/O 20

I/O 21

I/O 22

22 P29

21 P28

20 P27

19 P26

18 P25

17 P24

16 P23

15 P22

P17 10

P18 11

P19 12

P20 13

P21 14

I/O 23

I/O 24

I/O 25

I/O 26

I/O 27

I/O 28

I/O 29

I/O 30

I/O 31

28 SSOP

Pin Configurations continued at end of data sheet.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...20

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与MAX7300ATI+相关器件

型号	品牌	获取价格	描述	数据表
MAX7300ATI+T	MAXIM	获取价格	Interface Circuit, CMOS, ROHS COMPLIANT, TQFN-28
MAX7300ATI-T	MAXIM	获取价格	Interface Circuit, CMOS, 5 X 5 MM, 0.80 MM HEIGHT, MO-220WHHD-2 TQFN-28
MAX7300ATL	MAXIM	获取价格	2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or 28-Port I/O Expander
MAX7300ATL+T	MAXIM	获取价格	Interface Circuit, CMOS, 6 X 6 MM, 0.80 MM HEIGHT, MO-220WJJD-2, TQFN-40
MAX7301	MAXIM	获取价格	4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port I/O Expander
MAX7301	ADI	获取价格	4线接口、2.5V至5.5V、20端口或28端口输入/输出扩展器
MAX7301_06	MAXIM	获取价格	4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port I/O Expander
MAX7301_V01	MAXIM	获取价格	4-Wire-Interfaced, 2.5V to 5.5V 20-Port and 28-Port I/O Expander
MAX7301AAI	MAXIM	获取价格	4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port I/O Expander
MAX7301AAI+	MAXIM	获取价格	4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port I/O Expander

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