SN74AVC4T774PWR Integrated Circuits (ICs)

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1. Describe

This 4-bit non-inverting bus transceiver uses two Separate configurable power rail. Port A Designed to track VCCA. VCCA accepts any supply The voltage is from 1.1 V to 3.6 V. The B port is designed as Track VCCB. VCCB accepts any power supply voltage 1.1 to 3.6 V. SN74AVC4T774PWR has been optimized VCCA/VCCB is set to 1.4 V to 3.6 V. It can operate as low as 1.2 V VCCA/VCCB. This allows universal low voltage bidirectional Conversion between 1.2-V, 1.5-V, 1.8-V, 2.5- V and 3.3V voltage nodes. SN74AVC4T774 is designed for asynchronous Communication between data buses. Logic level= Direction control (DIR) input and output enable (OE) input activate B port output Or A port output or put the two output ports in High impedance mode. Device transfer data When B output is from A bus to B bus When active and from bus B to bus A The A output is activated.

SN74AVC4T774 is designed so that the control pins (DIR1, DIR2, DIR3, DIR4 and OE) are powered by VCCA. This device is fully suitable for partial power-off applications using Ioff. The Ioff circuit disables the output to prevent the damaged current from flowing back when the device is powered off. VCC isolation The function ensures that if any VCC input is GND, both ports are in a high impedance state. In order to ensure the high-impedance state during power-up or power-down, OE should be connected to VCCA through a pull-up resistor; the minimum value of the resistance is determined by the current sink capability of the driver. Since this device has CMOS inputs, it is important not to allow them to float. If the input is not driven to a high VCC state or a low GND state, it may result in an undesirable larger than expected ICC current. Since the stability of the input voltage is controlled by many factors (for example, capacitance, circuit board layout, package inductance, surrounding conditions, etc.), make sure that these inputs will not have wrong switching states, and connect them to high or low levels to maximize Minimize leakage current.

2. Feature

    1. Each channel has an independent DIR control input

    2. Control input VIH/VIL level is referenced to VCCA voltage

    3. Fully configurable dual rail design allows each port to operate within the complete power supply range of 1.1V to 3.6V

    4. I/O withstand 4.6V

    5. Ioff supports partial power-down mode operation

    6. Typical data rate

        – 380 Mbps (1.8V to 3.3V conversion)

        – 200 Mbps (<1.8V to 3.3V conversion)

        – 200 Mbps (converted to 2.5 V or 1.8 V)

        – 150 Mbps (converted to 1.5 V)

        – 100 Mbps (converted to 1.2 V)

    7. Latch up performance exceeds 100 mA, in line with JESD 78, Class II

    8. ESD protection exceeds the following level (according to JESD 22 test)

        – ±8000-V human body model (A114-A)

        – 250-V machine model (A115-A)

        – ±1500V charging equipment model (C101)

3. Pin Configuration 

4. Pin Functions

5. Application

    1. Personal electronics

    2. industrial

    3. Enterprise

    4. Telecommunications