SN74LS244NE4

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The SN74LS244NE4 is a logic device belonging to the Logic – Buffers, Drivers, Receivers, Transceivers category. It is a logic device with 8 input/output buffers and is commonly used in a variety of circuit applications.

The SN74LS244NE4 is a Non-Inverting Buffer with three-state outputs. The device features an 8-bit output buffer and is capable of driving up to 15 low-power TTL load. It is composed of eight independent non-inverting buffer/drivers with three-state outputs designed specifically to be used in driving address, data, and control lines of buffers, displays, memory systems, external peripheral systems and in microprocessor-to-peripheral Interface applications.

The SN74LS244NE4 operates with a wide range of data and supply voltages, from -2.0V to +7.0V, allowing compatibility with TTL logic levels. The device can be operated with both the 5V and 12V single supply logic combinations recommended for CMOS devices. The device has a power dissipation of 520mW and a frequency of 18MHz.

The SN74LS244NE4 is a logic device offering open drain outputs that can be used as an active pull-down when connected to a regulated 5V supply. It is an 8-bit bi-directional buffer with three-state outputs, providing full compatibility with 3-state memory address/data buses. The pin-out diagram of the SN74LS244NE4 is shown below:

The primary function of the SN74LS244NE4 is to level shift a logic signal between two logic families. It is also used to provide input buffer isolation when transferring logic data from one logic device to another. It is used to prevent signal distortion from loading or from power supply variations.

The SN74LS244NE4 works by driving an output high or low based on the logic state of the inputs. When the input is a low voltage the output is determined to be an active high, while the opposite is true when the input is a high voltage. The enable input to the SN74LS244NE4 determines whether the device is enabled or disabled. When enabled the outputs will be driven either high or low, depending on the logic state of the inputs. When the enable input is high the outputs will be in the three-state or high-impedance state, allowing other connected devices or signals to drive those outputs.

The SN74LS244NE4 is widely used in a variety of applications, including address systems, video memory systems, memory expansion, keyboard encoding, memory expansion, displays and in data communications. It is also used in computer buffering circuits, bus control and as a logic level translator. The device is also used in interfacing microprocessors to peripherals and in mobile phones.

The SN74LS244NE4 can be used to drive both TTL and CMOS logic levels. Its low power consumption and high drive capability makes it an ideal choice for designing low-power, low-cost digital systems. The device is available in many common packages, including SOP, SOIC, or PDIP, making it easy to integrate into existing designs.

In summary, the SN74LS244NE4 device is a logic device belonging to the Logic – Buffers, Drivers, Receivers, Transceivers family. It is an 8-bit non-inverting buffer with three-state outputs and can be used to level shift logic signals between two logic families. The device is widely used in a variety of applications and is available in a wide range of packages.

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