MCP23S18-E/SO

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Interface - I / O Expanders are used in a wide range of applications in both the consumer and industrial markets. The MCP23S18 – E / SO is one such device, which is an I / O expander chip that provides 8-bit I / O expansion through the SPI Interface.

The MCP23S18-E/SO comes in two variations. The first is the standard version, which includes a -25 to 85 ° C operating temperature range. The second is an extended version which operates over a wider temperature range -40 to 125 ° C. The device is manufactured in a small 10 lead, 3 x 3 mm DFN (dual flat nolead) package.

The MCP23S18-E/SO I/O Expander provides 18 individual I/O pins. 16 of these are dedicated General Purpose I/O (GPIO) pins, with the remaining two serving as the Chip Select (CS) and Interrupt (INT) pins. Additionally, the device provides two 8-bit I/O ports; Port A and Port B.

The MCP23S18-E/SO has a single 5.0 volt tolerant input. This allows the device to be connected directly to 5 V power supplies. The device will shut itself off when the input voltage is greater than 6 V. This makes the MCP23S18-E/SO well suited for battery-powered applications.

The MCP23S18-E/SO has two primary operating modes; a normal read/write mode and an interrupt mode. In read/write mode, the device will respond to read/write commands issued to it by the SPI bus controller. In interrupt mode, the MCP23S18-E/SO will only respond to interrupt commands from the SPI bus controller. The interrupt mode is useful for minimizing power consumption in battery-powered applications since there is less I/O communication.

The MCP23S18-E/SO I/O Expander is ideal for use in applications where additional I/O pins are needed. This could include any type of general purpose I/O such as controlling LEDs, reading switches, or interfacing with sensors. The device can also be used to extend the I/O capability of a controller or microprocessor. The device is also well suited for applications that require low-power operation.

The MCP23S18-E/SO provides a wide range of features that make it ideal for I/O expansion. It has a low-voltage operation range, includes power-on reset circuitry, and provides a 5 V tolerant input. The device also supports SPI communication at up to 10MHz, which is fast enough for most I/O expansion requirements. The MCP23S18-E/SO is a great choice for a wide range of I/O expansion applications.

The specific data is subject to PDF, and the above content is for reference