74HC3G34DP-Q100H

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Logic - Buffers, Drivers, Receivers, Transceivers

The 74HC3G34DP-Q100H is a device from the family of high speed CMOS logic. It is a 3-state non-inverting buffer, with three control pins, two data inputs and two data outputs. The device is designed for 3 V to 5.5 V dual power supplies and is capable of transferring data between two buses while preventing data bus contention.

Application field

The 74HC3G34DP-Q100H device is used in various applications such as data buses (for CPU’s microprocessors and memories), Control Bus buffering, Memory Address Buffering and bidirectional bus interface. It is also used in numerous general logic applications.

Working principle

When the control pin (C1) is on, the 74HC3G34DP-Q100H device acts as a non-inverting buffer, where the data present at the A1 and A2 inputs are transferred to the Y1 and Y2 outputs (respectively). When the control pin (C1) is off, the outputs of the device are disabled and the input data is not transferred to the outputs. This prevents any data bus contention.The other two control pins, C2 and C3, are used to change the direction of data transfer. Data can be transferred from one data bus to the other by either of the two control pins and data is enabled only when both of them are on and the device is in ‘forward’ mode.

The 74HC3G34DP-Q100H is a versatile solution for data bus buffering and bus interface applications. It is a very low power, high performance device and can operate at frequencies up to 55 MHz. It is widely used in consumer, embedded and industrial applications.

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