Description
The Microchip Technology MCP23008T-E/SS is an 8-bit I2C/I/O expander with a serial interface. It allows for the expansion of microcontroller-based projects by providing additional input/output (I/O) pins, while also enabling communication with various external devices. The device features two independent 8-bit bidirectional I/O ports and has a wide operating temperature range of -40°C to +85°C.
Features
According to the product information, the MCP23008T-E/SS features:
- 12-bit digital potentiometer
- Serial interface for easy integration into a wide range of applications
- Programmable gain and offset for increased precision and flexibility
- Low power consumption and high accuracy make it suitable for many industrial applications
- Additionally, there are three more feature sets:
- Dual 4-channel mux/demux with low power consumption and high accuracy
- Quad I2C bus switch with bus arbitration logic and low power consumption
- I2C bus timer with three independent channels, programmable for different time intervals
Package
The package type of MCP23008T-ES/SS is a 20-pin SSOP (0.209", 5.30mm Width).
Pinout
The MCP23008T-E/SS is a 16-pin, 8-bit I2C I/O Expander with Serial Interface. The pinout includes:
- VCC (power): 5V
- AGND: analog ground
- DGND: digital ground
- SDA (I2C): serial data input/output
- SCL (I2C): serial clock input/output
- INT1 and INT0: interrupt inputs
- A0-A7: digital I/O pins
The chip functions as a multipurpose expander, allowing for expansion of the number of I/O pins in microcontroller applications. It can be used to control external devices or sensors, and its versatile nature makes it suitable for various industrial applications.
Manufacturer
The manufacturer of the MCP23008T-E/SS is Microchip Technology, Inc. It is a leading provider of microcontroller, memory, and analog semiconductors.
Applications
The application areas of the MCP23008T-E/SS include industrial control, home automation, robotics, and automotive electronics. It's commonly used for expanding I/O pins in microcontroller-based projects and interfacing with external devices.
Specifications
| Product Category: |
Interface - I/O Expanders |
Number of I/Os: |
8 I/O |
| Interface Type: |
I2C, Serial |
Maximum Clock Frequency: |
1.7 MHz |
| Interrupt Output: |
With Interrupt |
Operating Supply Voltage: |
1.8 V to 5.5 V |
| Minimum Operating Temperature: |
- 40 C |
Maximum Operating Temperature: |
+ 125 C |
| Mounting Style: |
SMD/SMT |
Packaging: |
Reel |
| Product: |
I/O Expanders |
Type: |
I/O Expander |
| Operating Supply Current: |
1 mA |
Pd - Power Dissipation: |
700 mW |
| Product Type: |
I/O Expanders |
Factory Pack Quantity: |
1600 |
| Subcategory: |
Interface ICs |
Unit Weight: |
0.016000 oz |
| Tags |
MCP23008T-E/S, MCP23008T-E, MCP23008T, MCP23008, MCP2300, MCP230, MCP23, MCP2, MCP |
Package/Case |
SSOP-20
|
MCP23008T-E/SS FAQs
1.Q: What related parts complement the Microchip [Product Model]?
A: Similar parts include other Microchip I²C I/O expanders (e.g., MCP23008/MCP23S08) with varying I/O counts, SPI interfaces, or package options.
2.Q: What is the maximum quiescent current of the Microchip [Product Model]?
A: The maximum quiescent current is 1 µA, making it suitable for low-power designs.
3.Q: What is the package dimension of the Microchip [Product Model] in SSOP-20?
A: The SSOP-20 package measures 7.5mm (L) × 5.6mm (W) × 1.85mm (H) with gull-wing leads for surface mounting.
4.Q: Does the Microchip [Product Model] meet automotive or industrial certification standards?
A: No. This part is not automotive-qualified (PPAP/No) and has an ECCN of EAR99. It’s designed for general industrial/extended temperature use.
5.Q: What are typical applications for the Microchip [Product Model]?
A: Typical applications include sensor interfacing, GPIO expansion in embedded systems, industrial controls, and consumer electronics requiring low-power I²C I/O.
6.Q: What are the recommended operating conditions for the Microchip [Product Model]?
A: Operate at 1.8V–5.5V supply voltage, -40°C to +125°C temperature range, and I²C clock frequencies up to 1.7 MHz (Fast Mode Plus).
7.Q: What is the pinout configuration of the Microchip [Product Model] in SSOP-20?
A: The 20-pin SSOP package includes pins for I²C (SCL/SDA), 8 I/O ports, interrupt output, reset input, and power supply (VCC/GND). Refer to the datasheet for the exact pinout diagram.
8.Q: What are the key features of the Microchip [Product Model]?
A: Key features include 8 programmable I/Os, I²C interface (up to 1.7 MHz), wide voltage range (1.8V–5.5V), interrupt output, and extended temperature support (-40°C to +125°C).
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