MAX7300ATL+ Maxim Integrated Products, MAX7300ATL+ Datasheet

MAX7300ATL+

Manufacturer Part Number

MAX7300ATL+

Description

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX7300ATL.pdf (24 pages)

Specifications of MAX7300ATL+

Pack_quantity

Comm_code

85423990

Lead_time

Current page: 1 of 24
Download datasheet (2Mb)

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.

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 I

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

The MAX7300AAX and MAX7300ATL have 28 ports and

are available in 36-pin SSOP and 40-pin thin QFN pack-

ages, respectively. The MAX7300AAI and MAX7300ATI

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

QFN 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.

19-2413; Rev 6; 8/06

*Purchase of I

Inc., or one of its sublicensed Associated Companies, conveys

a license under the Philips I

ponents in an I

the I

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

C addresses from only two select pins.

Pin Configurations continued at end of data sheet.

C Standard Specification as defined by Philips.

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Automotive

TOP VIEW

C components from Maxim Integrated Products,

C system, provided that the system conforms to

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

ISET

GND

________________________________________________________________ Maxim Integrated Products

AD0

P12

P13

P14

P15

P16

P17

P18

P19

P20

P21

General Description

C Patent Rights to use these com-

28 SSOP

MAX7300

Pin Configurations

Industrial Controllers

System Monitoring

Applications

V+

AD1

SCL

SDA

P31

P30

P29

P28

P27

P26

P25

P24

P23

P22

C*-compatible 2-

♦ 400kbps I

♦ 2.5V to 5.5V Operation

♦ -40°C to +125°C Temperature Range

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

♦ 11µA (max) Shutdown Current

♦ Logic Transition Detection for Seven I/O Ports

**Use package outline 21-0140 for MAX7300ATI, 21-0141 for

MAX7300ATL at the end of the data sheet.

MAX7300AAI

MAX7300ATI**

MAX7300AAX

MAX7300ATL**

PART

28-Port I/O Expander

Push-Pull Logic Output

Schmitt Logic Input

Schmitt Logic Input with Internal Pullup

47nF

39kΩ

CLOCK

DATA

C-Compatible Serial Interface

Typical Operating Circuit

-40°C to +125°C

TEMP RANGE

Ordering Information

ISET

V+

GND

AD1

AD0

SDA

SCL

P31

P30

P29

P28

P27

P26

P25

P24

MAX7300AAX

PIN-

PACKAGE

28 SSOP

28 Thin QFN

36 SSOP

40 Thin QFN

P10

P11

P12

P13

P14

P15

P16

P17

P18

P19

P20

P21

P22

P23

Features

T4066-5

T2855-6

I/O 4

I/O 5

I/O 6

I/O 7

I/O 8

I/O 9

I/O 10

I/O 11

I/O 12

I/O 13

I/O 14

I/O 15

I/O 16

I/O 17

I/O 18

I/O 19

I/O 20

I/O 21

I/O 22

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

CODE

A28-1

A36-4

PKG

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