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Logic - Gates and Inverters

74AHC3G04GD is a high-speed CMOS logic level shifter with four inverting buffers. It is constructed with a low-power, high-speed CMOS logic process and can operate over a broad voltage range to 5.5V. This device is intended for use as a voltage level translator in a wide range of applications.

Application Field

74AHC3G04GD can be used in a wide range of applications, such as driving highly capacitive loads, interfacing between two nodes with different logic levels and electronic system level shifting. It is widely used in automotive circuit boards and communication systems.

Working Principle

74AHC3G04GD features a switched input structure that allows the user to independently select either VDDLOG or VDDIO to be used as the input signal voltage. The device also has an active-high reset signal that is externally accessible. The device also features high noise immunity using its two-stage input buffer. When the reset signal is low, the device will be reset and all outputs will be initialized to a low state. The device can be used in full duplex mode or with data flows in both directions.

When used in full duplex mode, the device does not need to be reset and data can be shifted in both directions. It also features output enable and disable pins for control of bidirectional data flow. The two enable enable pins can be used to control data flow direction. When the enable enable low pin is low, the enable enable high pin is high, and the data will be shifted in one direction. Likewise, when the enable enable low pin is high, the enable enable high pin is low, and data will be shifted in the other direction.

The 74AHC3G04GD has low power requirements and a small package size making it ideal for a wide range of applications. It is also ideal for avoiding cross-talk and surges on a single power supply. The device has low propagation delays and is available in both 8-pin and 16-pin packages.

Conclusion

In conclusion, 74AHC3G04GD is a high-speed CMOS logic level shifter with four inverting buffers. It is useful for driving highly capacitive loads, interfacing between two nodes with different logic levels and electronic system level shifting. The device also has low power requirements, low propagation delays and two-stage input buffer for better noise immunity. It is available in both 8-pin and 16-pin packages.

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