74F251APC

Series:	74F
Packaging:	Tube
Part Status:	Obsolete
Type:	Multiplexer
Circuit:	1 x 8:1
Independent Circuits:	1
Current - Output High, Low:	3mA, 24mA
Voltage Supply Source:	Single Supply
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Through Hole
Package / Case:	16-DIP (0.300", 7.62mm)
Supplier Device Package:	16-DIP
Base Part Number:	74F251

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< p>The 74F251APC is a high-speed, low-power, low-voltage, 1-of-8 decoder/multiplexer, which is a versatile digital signal-processing IC. It can quickly convert one pulsed signal into various other digital signals and can process up to 8 digital inputs at the same time. The 74F251APC is most commonly used in digital signal processing applications including process control, motor and servo control, motor speed and position control, as well as for switching and multiplexing multiple digital signals.The 74F251APC is an 8-to-1 multiplexer which has eight data inputs and a single data output. The eight data inputs can accept up to 8 bits of information each and the single output can accept up to 4 bits of information. Depending on the logic levels of the multiplexer\'s control inputs, the 74F251APC can be configured to select any of the eight data inputs and output the contents to its data output.The 74F251APC is packaged in a 20-pin plastic dual in-line package (DIP) and is capable of accepting either positive or negative logic input levels. The 74F251APC is also available in a plastic small-outline package (SOP) as well as an SMD/SMT package.The 74F251APC also incorporates several other features that enhance digital signal processing applications. These include a selectable programmable logic array (PLA) digital logic circuit to reduce logic levels and simplify the overall design, digital signal processing (DSP) support, and an asynchronous reset input which allows the multiplexer to be reset even while the control signals are being changed.The 74F251APC is also designed with a video rate input which increases the speed of multiplexer operations by 30%. This allows for faster and more efficient signal processing operations.To summarize, the 74F251APC is a highly versatile and powerful digital signal processor. It is capable of quickly and efficiently multiplexing up to 8 digital signals for any number of applications. The 74F251APC is available in DIP, SOP and SMD/SMT packages, and the selectable programmable logic array (PLA) digital logic circuit provides the user with additional flexibility in applications. Finally, the 74F251APC also provides a video rate input which increases the speed of multiplexer operations by 30%.

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