The PCAL9722 is an ultra-low voltage 22-bit I/O expander and translator with SPI interface and is ideal for a wide range of applications that require expansion of inputs and outputs to their existing micro and reduces design cycle time. Integrated Agile I/O features further enable flexible and configurable designs with push-pull or open-drain outputs, interrupt status registers, four different output drive strengths, enable and resistor selector for pull-up and pull-down resistors and interrupt mask options.
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Part | Order | CAD Model | Budgetary Price excluding tax | Status | Number of bits | Supply Voltage [Min to Max] (V) | Interfaces | Operating Temperature (Min-Max) (℃) | Package Type | Output Mode | Max Sink Current per bit (mA) | Source Current per bit (mA) | Interrupt | Reset input pin | Frequency (Max) (kHz) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1K @ US$0.58 | Active | 22 | 1.1 to 5.5 | SPI | -40 to 85 | HVQFN32 | open-drain, totem pole | 25 | 10 | Y | Y | 5000 | |||
1K @ US$0.69 | Active | 22 | 1.1 to 5.5 | SPI | -40 to 125 | HVQFN32 | open-drain, totem pole | 25 | 10 | Y | Y | 5000 |
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