Description
The device in question comes with multiple part numbers, specifically 779553-50, 779553-01, 192317D-02, and 192317D-02L, catering to a broad range of applications. It boasts an I²C/SPI Interface Device, making it versatile for various digital communication needs.
This device is bus-powered, operating at full speed without the requirement for an external power supply, thereby simplifying the design and deployment of systems incorporating this device. It features 8 digital I/O lines, which can be programmed as static Digital Input or Digital Output, offering flexibility in interfacing with other digital devices.
The timing for digital input and output lines is software timed, allowing for easy integration and customization within a software-driven ecosystem. For physical connectivity, it includes a USB Series B receptacle and two 16-position screw terminal plug headers for I/O connectors, ensuring robust and reliable connections.
When it comes to speed, the device supports a maximum I2C clock rate of 250 kHz and a maximum SPI clock rate of 12 MHz, suitable for most moderate-speed applications. It also features integrated protection against overcurrent, overvoltage, and undervoltage conditions, ensuring the longevity and reliability of the device.
The device supports four SPI modes, providing flexibility in communication configurations. An advanced API is available for custom I2C and SPI transactions, allowing for tailored solutions to specific requirements.
It is lightweight, weighing in at just 3 oz, and has compact dimensions of 2.50 x 3.35 x 0.91 inches without connectors, and 3.22 x 3.35 x 0.91 inches with connectors, making it easy to incorporate into a variety of designs. The device operates within a temperature range of 0 °C to 45 °C and can be stored in temperatures ranging from -40 °C to 85 °C. Humidity tolerance is robust, suitable for operating and storage conditions of
| Specification | Details |
|---|---|
| Part Numbers | 779553-50, 779553-01, 192317D-02, 192317D-02L |
| Interface Type | I²C/SPI Interface Device |
| Power | Bus-powered, Full-speed, No external power supply needed |
| Digital I/O Lines | 8, Programmable as static Digital Input or Digital Output |
| Software Timing | Software timed for digital input and output lines |
| Connectivity | USB Series B receptacle, Two 16-position screw terminal plug headers for I/O connectors |
| Maximum I2C Clock Rate | 250 kHz |
| Maximum SPI Clock Rate | 12 MHz |
| Protection | Integrated protection against overcurrent, overvoltage, and undervoltage conditions |
| SPI Modes | Four |
| API | Advanced API for custom I2C and SPI transactions |
| Weight | 3 oz |
| Dimensions (without connectors) | 2.50 x 3.35 x 0.91 inches |
| Dimensions (with connectors) | 3.22 x 3.35 x 0.91 inches |
| Operating Temperature Range | 0 °C to 45 °C |
| Storage Temperature Range | -40 °C to 85 °C |
| Humidity | Operating and Storage: 10% to 90% RH noncondensing, 5% to 90% RH respectively |
| Maintenance Phase Start Date | March 31, 2022
Question 1: What is the max I2C clock rate? Question 2: Does the USB-8451 require an external power supply? Question 3: How many digital I/O lines does it have? Question 4: What types of interfaces does the USB-8451 support? Question 5: What is the device’s operating temperature range? |
