MM74C244WM

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The MM74C244WM is a member of the popular 74Cxx logic family of high-speed CMOS devices. It is a 3-state non-inverting buffer/line driver with 3-state outputs. It contains four independent gates, each with a single input line and common dual output line. It features high-speed, low-power operation and is an ideal choice for high-speed, high density bus interfaces, clock drivers and termination networks.

The MM74C244WM is an active low 3-state buffer/line driver. This means that it acts as a latch, with the input line controlling the output. When used as a line driver, it produces a bipolar output waveform with each transition of the input. This provides a higher drive capability than a standard inverter, which produces only a single transition of the output. The output is open-drain which means that it can drive either a high or low voltage logic level.

The device has three logic functions: the enable (Active Low), the direction (true logic level) and indicate outputs (true logic level). The enable input is active low, meaning it must be pulled to a low voltage in order for the outputs to be activated. When the enable input is pulled low, the direction and indicate outputs will be set to the logic levels set on the input lines, provided the enable input is still held low. When the enable input is returned to its high state, the direction and indicate outputs will be disabled and held in their last activated logic level state.

The MM74C244WM is a useful device for interfacing data buses. The enable and direction inputs can be used to control data flow, while the indicate outputs can provide a status of the interface. These features make the MM74C244WM an ideal choice for high-speed bus interfaces, clock drivers and termination networks.

The MM74C244WM is also able to operate at up to 25MHz, making it suitable for high-speed applications. It is also very power efficient, drawing a maximum of 4mA from a single 3.3V supply. This makes it an ideal choice for low power applications as well.

In summary, the MM74C244WM is an ideal choice for high-speed, high density bus interfaces, clock drivers and termination networks. Its 3-state active low input makes it suitable for controlling high and low voltage logic levels. It is also capable of operating at up to 25MHz and is very power efficient, drawing only 4mA from a single 3.3V supply.

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