TCA9555DBR Integrated Circuits (ICs) |
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Allicdata Part #: | 296-44626-2-ND |
Manufacturer Part#: |
TCA9555DBR |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC I/O EXPANDER 16B 24SSOP |
More Detail: | I/O Expander 16 I²C, SMBus 400kHz 24-SSOP |
DataSheet: | TCA9555DBR Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Number of I/O: | 16 |
Interface: | I²C, SMBus |
Interrupt Output: | Yes |
Features: | POR |
Output Type: | Push-Pull |
Current - Output Source/Sink: | 10mA, 25mA |
Clock Frequency: | 400kHz |
Voltage - Supply: | 1.65 V ~ 5.5 V |
Operating Temperature: | -40°C ~ 85°C |
Mounting Type: | Surface Mount |
Package / Case: | 24-SSOP (0.209", 5.30mm Width) |
Supplier Device Package: | 24-SSOP |
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Interface - I/O Expanders are widely used in a variety of applications around the world, from consumer electronics to medical equipment. In this article, we will look at the application field and working principle of the TCA9555DBR, a popular integrated circuit I/O expander from Texas Instruments.The TCA9555DBR is a 16-bit I/O expander with selectable output-tristatable modes. It is used to expand the number of I/Os on an existing system, allowing more inputs or outputs to be added to the system. The device has integrated hot swap inputs that can be used to dynamically detect in-rush current during a startup situation.The TCA9555DBR operates in a wide range of voltages, from 1.65 to 5.5V, allowing it to be used in a larger range of applications. The device includes an integrated charge pump that provides a regulated voltage to the input and output pins, which reduces power consumption and increases reliability. Its current consumption is a low 10 mA typical, and its input voltage is tolerant to 5.5V, allowing it to be used with almost any voltage input.The TCA9555DBR is designed for use in applications requiring a high level of precision and performance. It has fast response times, with no propagation delay and a turn-on time of 10 μs maximum. It also has a maximum total supply current of 5.0 mA and an extended power-on reset time of 0.68 ms maximum.The device is rated to work from -20°C to +85°C and is available in a number of different packages: SOIC, TSSOP, PDIP, and QFN. It is also ESD-protected, Radiation-Hardened, RoHS-compliant, and lead-free.The working principle of the TCA9555DBR is fairly straightforward. It works by using an integrated dual level shift register to convert the inputs and outputs of the TCA9555DBR into different levels. The inputs are converted to two levels, a low level and a high level, while the outputs are adjusted to be either one or zero.The TCA9555DBR also includes integrated 40 MHz PIOs, which allow it to interact with both synchronous and asynchronous ports. The PIOs have programmable directions, enabling them to be used in a variety of applications. They also include programmable input masks and pull-up resistors for controlling the pin-level logic operations.In summary, the TCA9555DBR is a widely used integrated circuit I/O expander from Texas Instruments. It has a wide range of applications, from consumer electronics to medical equipment. It is designed for use in applications requiring fast response times and a high level of precision. The device has integrated dual level shift registers and programmable PIOs to enable it to interact with both synchronous and asynchronous ports. It operates in a wide range of voltages, from 1.65 to 5.5V, and is rated to work from -20°C to +85°C.
The specific data is subject to PDF, and the above content is for reference
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