DM74AS1034AMX

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The DM74AS1034AMX is a high-speed non-inverting Hex Bus Driver composed of six buffer gates, each with three-state outputs; seven devices can b e interconnected to provide a 48-bit buffer capability. Each of these devices has common active LOW and active HIGH control inputs, which are used to configure the device as an inverting or non-inverting buffer. This device has a maximum propagation delay time of 10 ns, which allows it to support high clock rates, such as those found in high performance and mainframe systems.
Successive active LOW inputs A and B, when taken together, control the three-state state of each output. Outputs Y1, Y2, and Y3 are controlled by input A. Outputs Y4, Y5, and Y6 are controlled by input B. When A and B are inactive, all outputs are in the disabled, or high-impedance, state. This allows multiple drivers to be connected without the need for external buses. When A or B is active (low), the outputs Y1through Y6 are enabled and the input A or B is applied to the non-inverting inputs of the drivers, thus selecting the state of the outputs. The DM74AS1034AMX can be used as an advanced buffer, such as an address, data, or program memory driver. It can also be used as an octal or hex bidirectional bus driver, depending on the application and the particular device used.
The specific application of the DM74AS1034AMX can range from a single, two-way octal data buffer to a wide variety of transceivers for high-speed data communication. The three-state capability can be used as a bus-isolation device, making it ideal for communications application where it would normally be difficult to share a common bus among multiple devices. This device can also operate as a non-inverting buffer to transmit data from one bus to another at high speed, with the three-state feature minimizing the need for external logic elements. One device can provide both a data source and data sink. The three-state feature can also be used to isolate sections of the data bus, allowing it to be used in time-division multiplexing applications.
The DM74AS1034AMX can also be used in applications as a multiplexer, selecting one output of up to eight inputs. The combination of the three-state outputs and the active LOW inputs allows a variety of devices to be connected and the output patterns to be overwritten. In addition, the DM74AS1034AMX can be used to select one of eight inputs to one output, such as a program memory address selection. The device can also be used for interfacing between two different operating voltages and can be used for level shifting between two different logic families. The power product also features six output enable terminals, which can be used in combination with the active LOW inputs to enable one or two of the functions on the device.
In summary, the DM74AS1034AMX is a versatile high-speed non-inverting Hex Bus Driver, composed of six buffer gates, each with three-state outputs. It can be used for a variety of applications such as an octal or hex bidirectional bus driver, a data source/data sink device, a multiplexer, or a level shifting device. This device also features six output enable terminals and can be used in a variety of communication and memory applications, as well as time-division multiplexing or program memory address selection.

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