74VHC163MX

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74VHC163MX is a high-speed CMOS 8-bit bi-directional shift register and can be used to shift 8-bit words in either direction. It contains both a positive-edge and negative-edge triggered Master Reset to asynchronously reset all internal registers. There are four separate clocks on the device, enable, shift in clock, shift out clock, and asynchronous reset. This device is designed to interface with TTL logic levels and can operate with Vcc as low as 2 volts and up to 6 volts.

A 74VHC163MX is commonly found in many different applications, such as frequency dividers, data transmission, signal processing and communication systems. It can be used to divide frequencies, such as in down-converters and synthesizers, as well as designing complex frequency divider circuits. In data transmission, it can be used to synchronize data and perform serial-to-parallel conversion. Additionally, it can be used for serial signal processing such as signal conditioning, filtering and sampling.

The 74VHC163MX operates by controlled shifting when the clock pin is triggered, the data signal is shifted in and out of the shift register at a rate determined by the frequency of the clock signal. The data is shifted in and out in sequence with each clock cycle until a stop state is reached after a predetermined number of clock cycles. The direction of the shift (in or out) is determined by the data bus direction and the output value is clocked out of the register at the opposite rate. The internal data of the register is loaded or unloaded by the control signals given by the pins.

The 74VHC163MX incorporates two gates with 4 bits each, and a 4-bit data path register (DPR) with two 4-bit multiplexers and two 4-bit registers, one each for the transmit and receive ports. The DPR is used to select the source and destination multiplexer controls and also to route data to and from the shift register. A master reset pin is used to clear all registers in the device when it is toggled. It also has a separate enable input pin to control whether the shift is enabled or disabled.

In summary, the 74VHC163MX is a versatile device suitable for use in many logic circuits for frequency division, signal processing, communication system and data transmission applications. It has a low-voltage-compatible design, making it suitable for use in portable applications, and also offers a wide range of capabilities such as serial-to-parallel conversion, signal conditioning and filtering. Additionally, it incorporates multiplexers, enabling data from a variety of sources to be routed to the register.

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