SN74HC367DRE4

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The SN74HC367DRE4 is a high-speed octal bus transceiver and line driver. It is specially designed for use with TTL logic and wide variety of digital logic systems. The SN74HC367DRE4 provides the capability to switch a large power supply voltage and current while maintaining a low standby current. The SN74HC367DRE4 is particularly useful in applications that require improved transmission performance, particularly in high speed data buses, where it provides improved noise immunity and better timing. This makes the device ideal for applications such as Power Over Ethernet (PoE) and HDBaseT receiving.

The SN74HC367DRE4 is a logic buffer and transistor driver with an integrated power MOSFET. Its features include low-voltage TTL compatibility, high-speed operation, and wide operating voltage range from 4.75V to 18V. It has eight input/output pins, which can be switched from input to output using two select bits. It can also be configured as a universal 3-state buffer or 2-state driver.

The SN74HC367DRE4 is composed of two sections. The logic section consists of two multi-function logic elements and a control logic block. Each logic element can be used as an input buffer, output latch or universal line driver. The control logic block controls the whole logic section. The other section is the power ton driver circuit. This circuit is composed of two power MOSFETS, one serving as N-channel MOSFET and the other serving as P-channel MOSFET. The power MOSFETs are connected to two output pins which can be used as an active low output or an active high output.

The SN74HC367DRE4 works in three modes - input, output and high-impedance. When the Select line is low, the SN74HC367DRE4 operates in input mode, wherein the input pins serve as logic inputs for the logic portion, and the output pins are in a high-impedance state. When the Select line is high, the SN74HC367DRE4 operates in output mode, wherein the input pins are ignored and the output pins serve as logic outputs of the logic portion. The output pins are also capable of being driven by the power MOSFETs high or low depending on the logic level at the input pins.

In high-impedance mode, the SN74HC367DRE4 puts the output pins into a high-impedance state, where they are neither driven high nor driven low; these pins are simply ignored by the logic portion of the device. This state is useful for bus arbitration in applications like USB and LAN devices, where multiple devices can be connected to the same bus, but only one device should be allowed to drive the bus at a time.

The SN74HC367DRE4 is ideal for communications applications and peripherals, where low-power and high-speed performance is desired. It is designed for use in 3.3V and 5V systems and has a low propagation delay of just 64ns in 5V systems. The device\'s wide range of features and integrated power MOSFETs makes it incredibly versatile and easy to use, so it is ideal for any application where improved transmission performance is needed.

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