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See Technical Specifications

MAX7324ATG +BOM

I2C Interface 400kHz 5.5V 24-Pin TQFN EP

Manufacturer:

Maxim Integrated
Mfr.Part #:

MAX7324ATG
Datasheet:

MAX7324ATG Datasheet (PDF)
Programmable:

Not Verified
Number Of I/O:

8
Interface:

I²C
Interrupt Output:

Yes
EDA/CAD Models:

Request Free CAD Models for MAX7324ATG

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MAX7324ATG General Description

The MAX7324 2-wire serial-interfaced peripheral features 16 I/O ports that are divided into eight push-pull outputs and eight inputs. Each input features selectable internal pullups, overvoltage protection to +6V, and transition detection with an interrupt output. All input ports are continuously monitored for state changes (transition detection). The interrupt is latched, allowing detection of transient changes. Any combination of inputs can be selected using the interrupt mask to assert the active-low INT output. When the MAX7324 is subsequently accessed through the serial interface, any pending interrupt is cleared. The push-pull outputs are rated to sink 20mA and are capable of driving LEDs. The active-low RST input clears the serial interface, terminating any I2C communication to or from the MAX7324. The MAX7324 uses two address inputs with four-level logic to allow 16 I2C slave addresses. The slave address also enables or disables internal 40kΩ pullups in groups of four ports. The MAX7324 is one device in a family of pin-compatible port expanders with a choice of input ports, open-drain I/O ports, and push-pull output ports (see Table 1 in the full data sheet).

The MAX7324 is available in 24-pin QSOP and TQFN packages, and is specified over the -40°C to +125°C automotive temperature range.

Key Features

400kHz, +6V-Tolerant I2C Serial Interface
Eight Push-Pull Outputs
Eight Input Ports with Maskable, Latching Transition Detection
Input Ports are Overvoltage Protected to +6V
Transient Changes are Latched, Allowing Detection Between Read Operations
Active-Low INT Output Alerts Change on Any Selection of Inputs
AD0 and AD2 Inputs Select from 16 Slave Addresses
Low 0.6μA Standby Current

Application

Cell Phones
Notebooks
SAN/NAS
Satellite Radio
Servers

Specifications

Category	Integrated Circuits (ICs)InterfaceI/O Expanders	Series	-
Programmable	Not Verified	Number of I/O	8
Interface	I²C	Interrupt Output	Yes
Features	POR	Output Type	Push-Pull
Current - Output Source/Sink	20mA	Clock Frequency	400 kHz
Voltage - Supply	1.71V ~ 5.5V	Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount	Base Product Number	MAX7324