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MCP23S08T-E/ML
+物料清單IC XPNDR 10MHZ SPI 20QFN
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製造商部分 #MCP23S08T-E/ML
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規格
| 屬性 | 價值 |
| Part Status | Active |
| DigiKey Programmable | Not Verified |
| Number of I/O | 8 |
| Interface | SPI |
| Interrupt Output | Yes |
| Features | POR |
| Output Type | Push-Pull |
| Current - Output Source/Sink | 25mA |
| Clock Frequency | 10 MHz |
| Voltage - Supply | 1.8V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 20-VFQFN Exposed Pad |
| Supplier Device Package | 20-QFN (4x4) |
| Base Product Number | MCP23S08 |
概述
Description
It can be configured for input or output on each pin, and it supports interrupt generation for input changes, enhancing responsiveness in applications. The MCP23S08T-E/ML has a built-in pull-up resistor on input pins, facilitating simpler circuit designs. Additionally, it operates in a wide voltage range (1.8V to 5.5V), making it versatile for various power supply levels.
This expander is packaged in a compact 16-pin TSSOP, making it suitable for space-constrained applications. Overall, the MCP23S08T-E/ML is an effective solution for expanding GPIO capabilities in embedded systems.
Equivalent
1. MCP23008 - I2C version with similar functionality.
2. PCF8574 - I2C I/O expander with 8 bits.
3. 74HC595 - Shift register used for output expansion, though not directly equivalent.
4. MCP23S17 - 16-bit version with SPI interface.
Always verify specifications for compatibility with your application.
Features
1. 8 GPIO Pins: Configurable as inputs or outputs.
2. SPI Interface: Supports standard SPI communication for easy integration.
3. Addressable: Multiple devices can be connected on the same SPI bus using the address pins, allowing up to 8 devices.
4. Interrupt Capability: Features a single interrupt pin for change detection on inputs.
5. Configurable Pull-up Resistors: Internal pull-ups can be enabled for input pins.
6. Operating Voltage: Supports a wide voltage range from 1.8V to 5.5V.
7. Low Power Operation: Designed for low power consumption, suitable for battery-operated devices.
8. Package Options: Available in various packages, including QFN and SOIC for flexible design choices.
These features make the MCP23S08T-E/ML ideal for expanding GPIO on microcontrollers with limited pins.
Pinout
Pin Functions:
1. VDD - Power supply.
2. VSS - Ground.
3. SCK - Serial Clock input.
4. SI - Serial Data Input.
5. SO - Serial Data Output.
6. CS - Chip Select input.
7. GPIOA0 to GPIOA7 - 8 General Purpose I/O pins.
8. RESET - Active-low reset pin.
9. INTA - Interrupt output for GPIOA.
10. INTB - Interrupt output for GPIOB (if applicable).
The MCP23S08T-E/ML can be used to expand the number of I/O ports available on microcontrollers, allowing for additional inputs and outputs in digital applications.
Manufacturer
Microchip primarily serves the embedded systems market, providing solutions for numerous applications across industries such as automotive, industrial, consumer electronics, and telecommunications. The company is known for its commitment to innovation and customer service, offering extensive development tools, reference designs, and support resources to help engineers efficiently integrate their products into various applications. Microchip's diverse portfolio and focus on customer collaboration have established it as a prominent player in the global semiconductor industry.
Application
1. Embedded Systems: Expanding GPIO ports for microcontrollers.
2. Industrial Automation: Control and monitoring of sensors and actuators.
3. Consumer Electronics: User interface controls like buttons and LEDs.
4. Robotics: Managing multiple inputs/outputs for sensors and motors.
5. Home Automation: Integrating devices such as lights and alarms.
6. Data Acquisition: Collecting signals from various sources in measurement systems.
Its versatility allows it to be used in various electronic designs where more I/O is required.