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Texas Instruments SN74AVC4T245DGVR

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Texas Instruments
16-TFSOP (0.173, 4.40mm Width)
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    SN74AVC4T245DGVR this integrated circuit is available in factory sealed anti static packs. at Please read product page below detail information. including SN74AVC4T245DGVR price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for SN74AVC4T245DGVR to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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    SN74AVC4T245DGVR Typical application Circuitry


    The SN74AVC4T245DGVR is a member of the SN74 series, a range of integrated circuits known for their efficiency in digital signal processing and interface. This particular type is a 4-bit dual-supply bus transceiver with 3-state outputs and programmable voltage translation, made by Texas Instruments. It is particularly adept at facilitating communication between different voltage domains in digital systems, making it an essential component in mixed-voltage digital environments such as multi-voltage systems in computing and telecommunications.

    1. Voltage Supply and Level Shifting: The SN74AVC4T245DGVR operates with dual power supplies, one for each voltage domain it interfaces with. VCCA must be connected to the lower voltage domain, while VCCB connects to the higher voltage domain. This design enables the chip to translate logic levels between these two domains seamlessly, thereby ensuring compatibility across different voltage levels in a system.

    2. Pin Configuration for Data Transfer: The SN74AVC4T245DGVR includes two sets of four data pins (A1-A4 and B1-B4), which are responsible for the bidirectional data flow. The direction pin (DIR) controls the direction of data flow. Data moves from the A ports to the B ports when DIR is high and vice versa when DIR is low. It's critical to connect these pins correctly to ensure accurate data transfer between different voltage domains.

    3. Output Enable and Bus Management: The output enable pin (OE) on the SN74AVC4T245DGVR plays a crucial role in managing the state of the bus. When OE is low, the bus transceiver is active, and data can flow between the A and B ports. When OE is high, the outputs are disabled and enter a high-impedance state, effectively isolating the A and B ports.

    4. Integration into Circuit Design: Incorporating the SN74AVC4T245DGVR into a circuit requires careful planning in PCB layout. The connections to VCCA, VCCB, GND, as well as the data, DIR, and OE pins, must be made with attention to signal integrity and minimizing crosstalk. To further stabilize the power supply and lower noise, decoupling capacitors should be positioned near to the power supply pins.

    5. Protective Measures and Handling: The SN74AVC4T245DGVR, like other semiconductor devices, is sensitive to electrostatic discharge and overvoltage conditions. Implementing ESD protection strategies during handling and incorporating protective circuit elements in the design can mitigate these risks. Also, adhering to the specified operating conditions, such as voltage ranges and temperature limits, is essential for the reliable operation of the device.

    In summary, the SN74AVC4T245DGVR is a versatile and vital component for digital systems requiring voltage level translation across different domains. Understanding its power supply requirements, pin functionality, and integration into PCB designs, along with observing appropriate handling and protective measures, is crucial for exploiting its full capabilities in a wide array of electronic applications.

    SN74AVC4T245DGVR informationSN74AVC4T245DGVR information


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    6. What is the process for return or replacement of SN74AVC4T245DGVR?

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    (1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

    (2)We are informed of the defect described above within 90 days after the delivery of SN74AVC4T245DGVR.

    (3)The PartNo is unused and only in the original unpacked packaging.

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    (1)Inform us within 90 days

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