MAX7325 I²C Port Expander With 8 Push-Pull And 8 Open-Drain I/Os

The MAX7325 2-wire serial-interfaced peripheral features 16 I/O ports. Ports are divided into eight push-pull outputs and eight I/Os with selectable internal pullups and transition detection. Eight ports are push-pull outputs and eight I/Os may be used as a Logic input or an open-drain output. Ports are overvoltage protected to +6V.
All I/O ports configured as inputs are continuously monitored for state changes (transition detection). State changes are indicated by the active-low INT output. The interrupt is latched, allowing detection of transient changes. When the MAX7325 is subsequently accessed through the serial Interface any pending interrupt is cleared. The 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 MAX7325.
The MAX7325 uses two address inputs with four-lev 524 el 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 in groups of four ports.
The MAX7325 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 of the full data sheet).
The MAX7325 is available in 24-pin QSOP and TQFN packages and is specified over the -40C to +125C automotive temperature range.
By Maxim Integrated Products
MAX7325 's PackagesMAX7325 's pdf datasheet

MAX7325 Pinout, Pinouts
MAX7325 pinout,Pin out
This is one package pinout of MAX7325,If you need more pinouts please download MAX7325's pdf datasheet.

MAX7325 Application circuits
MAX7325 circuits
This is one application circuit of MAX7325,If you need more circuits,please download MAX7325's pdf datasheet.

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