2 I C Port Expander With 4 Push-Pull Outputs And 4 Open-Drain I/Os

The MAX7323 2-wire serial-interfaced peripheral features eight I/O ports. Four ports are push-pull outputs and the other four are open-drain I/O ports that are overvoltage protected up to +6V independent of the supply voltage.
The four I/O ports configured as inputs are continuously monitored for state changes (transition detection). State changes are indicated by the open-drain active-low INT output. The interrupt is latched, allowing detection of transient changes. When the MAX7323 is 4d9 subsequently accessed through the serial Interface any pending interrupt is cleared.
The four push-pull and four open-drain outputs are rated to sink 20mA and are capable of driving LEDs
The active-low RST input clears the serial Interface terminating any IC Communication to or from the MAX7323.
The MAX7323 uses two address inputs with four-level Logic to allow 16 IC slave addresses. The slave address also determines the power-up Logic state for the I/O ports, and enables or disables internal 40k pullups for the input ports in groups of two ports.
The MAX7323 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 MAX7323 is available in 16-pin QSOP and 16-pin TQFN packages, and is specified over the automotive temperature range (-40C to +125C).
By Maxim Integrated Products
MAX7323 's PackagesMAX7323 's pdf datasheet

MAX7323 Pinout, Pinouts
MAX7323 pinout,Pin out
This is one package pinout of MAX7323,If you need more pinouts please download MAX7323's pdf datasheet.

MAX7323 Application circuits
MAX7323 circuits
This is one application circuit of MAX7323,If you need more circuits,please download MAX7323's pdf datasheet.

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