SN74ALVTH16827VR

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Today, integrated circuits are becoming increasingly important in all kinds of applications, such as automotive electronics, machine vision and even aerospace. SN74ALVTH16827VR, a kind of advanced integrated circuit from Texas Instruments, is called a “LVCMOS/LVTTL transparent latch and decoder”, which is considered as a 256-bit programmable multiplexer. It’s commonly used in many modern applications.

SN74ALVTH16827VR is a 3-to-8 line decoder and an 8-bit latch. The decoder features an active-low Enable input that acts as an enable, allowing data to pass through the output when it is negated. The latch features an active-high Enable input that activates the output when it is asserted. The SN74ALVTH16827VR has a data input bus and an output bus, with each bus having a specified number of bits (8 bits on the data bus and 3 bits on the output bus).

SN74ALVTH16827VR belongs to Logic - Buffers, Drivers, Receivers, Transceivers, and its main application fields are 3D modeling and graphics, Machine Vision, Automotive, Aerospace and many other applications involving programmable decoding and latching. This specific device is suitable for applications with operating temperature ranges from -40 to +85 Celsius, and it handles data with a frequency up to 80MHz.

As for its working principle, the SN74ALVTH16827VR is a 8-bit programmable latch with 3-bit decoder. It has an active low enable, which is usually connected to the chip enable of a microprocessor or FPGA. When the enable is asserted, the latch is triggered and the output will be set to the logic level present at the data inputs. The inputs are 8-bits wide, but depending on the use case, it can be used with fewer bits of input.

When a particular 3-bit combination appears at the latch enable input, the corresponding output on the 8-bit latch will be set to the current logic level on the data inputs. For example, if the data inputs are 0,1,1,1,0,0,0 and the latch enable input is 000, then output 00 will be set to logic high (1). The SN74ALVTH16827VR can also be used as a multiplexer, outputting different data signals with different latch enable inputs.

In summary, SN74ALVTH16827VR integrated circuit is a useful and reliable decoder and latch. It is widely used in many modern applications, such as automotive electronics, machine vision and even aerospace. It belongs to the logic - buffers, drivers, receivers and transceivers family, and it works by latching the data present at the data inputs with the help of an active-low enable, and decoding the 3-bit combination at the latch enable inputs and outputting the respective output on the 8-bit bus.

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